[INFO] fetching crate ru_fetch 0.2.4...
[INFO] checking ru_fetch-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ru_fetch 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ru_fetch 0.2.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ru_fetch 0.2.4
[INFO] finished tweaking crates.io crate ru_fetch 0.2.4
[INFO] tweaked toml for crates.io crate ru_fetch 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ru_fetch 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysinfo v0.18.2
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fa9862a656b41d5f7fc3711a42f7bc28fd7c4a14ca4c79c7a59ac6798b487c0
[INFO] running `Command { std: "docker" "start" "-a" "1fa9862a656b41d5f7fc3711a42f7bc28fd7c4a14ca4c79c7a59ac6798b487c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fa9862a656b41d5f7fc3711a42f7bc28fd7c4a14ca4c79c7a59ac6798b487c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa9862a656b41d5f7fc3711a42f7bc28fd7c4a14ca4c79c7a59ac6798b487c0", kill_on_drop: false }`
[INFO] [stdout] 1fa9862a656b41d5f7fc3711a42f7bc28fd7c4a14ca4c79c7a59ac6798b487c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e10cda2f2e22d8d6bb11faeadcb04fc010149b101f218242fa0a6c15674a7d13
[INFO] running `Command { std: "docker" "start" "-a" "e10cda2f2e22d8d6bb11faeadcb04fc010149b101f218242fa0a6c15674a7d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling sysinfo v0.18.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ru_fetch v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:281:45
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:283:45
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:286:45
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:292:45
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:298:45
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ansi_term` is imported redundantly
[INFO] [stdout]  --> src/conf.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ansi_term::{self, Color::*};
[INFO] [stdout]   |                 ^^^^ the item `ansi_term` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/conf.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use serde::Deserialize;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:281:45
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:283:45
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:286:45
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:292:45
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:298:45
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ansi_term` is imported redundantly
[INFO] [stdout]  --> src/conf.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ansi_term::{self, Color::*};
[INFO] [stdout]   |                 ^^^^ the item `ansi_term` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/conf.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use serde::Deserialize;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "e10cda2f2e22d8d6bb11faeadcb04fc010149b101f218242fa0a6c15674a7d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10cda2f2e22d8d6bb11faeadcb04fc010149b101f218242fa0a6c15674a7d13", kill_on_drop: false }`
[INFO] [stdout] e10cda2f2e22d8d6bb11faeadcb04fc010149b101f218242fa0a6c15674a7d13
[INFO] checking ru_fetch-0.2.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ru_fetch 0.2.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ru_fetch 0.2.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ru_fetch 0.2.4
[INFO] finished tweaking crates.io crate ru_fetch 0.2.4
[INFO] tweaked toml for crates.io crate ru_fetch 0.2.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ru_fetch 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef35c40b1a24b4530c0783ec75600494c5555947f7976f6fe4ce42b7de041e9c
[INFO] running `Command { std: "docker" "start" "-a" "ef35c40b1a24b4530c0783ec75600494c5555947f7976f6fe4ce42b7de041e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef35c40b1a24b4530c0783ec75600494c5555947f7976f6fe4ce42b7de041e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef35c40b1a24b4530c0783ec75600494c5555947f7976f6fe4ce42b7de041e9c", kill_on_drop: false }`
[INFO] [stdout] ef35c40b1a24b4530c0783ec75600494c5555947f7976f6fe4ce42b7de041e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1b83eb509493f206f7ee7133b40ce5f701a857fa50e96bb442a5f2fbd81db1
[INFO] running `Command { std: "docker" "start" "-a" "7a1b83eb509493f206f7ee7133b40ce5f701a857fa50e96bb442a5f2fbd81db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.18.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ru_fetch v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:281:45
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:283:45
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:286:45
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:292:45
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:298:45
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ansi_term` is imported redundantly
[INFO] [stdout]  --> src/conf.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ansi_term::{self, Color::*};
[INFO] [stdout]   |                 ^^^^ the item `ansi_term` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/conf.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use serde::Deserialize;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:281:45
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:283:45
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:286:45
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:292:45
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:295:45
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:298:45
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 .paint(format!("{width:width$}", width = &self.colors_width)),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `width` is not used by name
[INFO] [stdout]    --> src/conf.rs:300:45
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                 ---------   ^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this formatting argument uses named argument `width` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 .paint(format!("{width:width$}", width = &self.colors_width))
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ansi_term` is imported redundantly
[INFO] [stdout]  --> src/conf.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ansi_term::{self, Color::*};
[INFO] [stdout]   |                 ^^^^ the item `ansi_term` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> src/conf.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use serde::Deserialize;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "7a1b83eb509493f206f7ee7133b40ce5f701a857fa50e96bb442a5f2fbd81db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1b83eb509493f206f7ee7133b40ce5f701a857fa50e96bb442a5f2fbd81db1", kill_on_drop: false }`
[INFO] [stdout] 7a1b83eb509493f206f7ee7133b40ce5f701a857fa50e96bb442a5f2fbd81db1