[INFO] fetching crate xd 0.0.4...
[INFO] checking xd-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate xd 0.0.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate xd 0.0.4 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 xd 0.0.4
[INFO] finished tweaking crates.io crate xd 0.0.4
[INFO] tweaked toml for crates.io crate xd 0.0.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate xd 0.0.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unveil v0.2.1
[INFO] [stderr]   Downloaded jane-eyre v0.3.0
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded mktemp v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.62
[INFO] [stderr]   Downloaded eyre v0.6.3
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded color-eyre v0.5.7
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded pledge v0.4.0
[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] 5b243151d87d97184e4d7b6c58a076754c4cab82a1fe73afc333d5b95c71b918
[INFO] running `Command { std: "docker" "start" "-a" "5b243151d87d97184e4d7b6c58a076754c4cab82a1fe73afc333d5b95c71b918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b243151d87d97184e4d7b6c58a076754c4cab82a1fe73afc333d5b95c71b918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b243151d87d97184e4d7b6c58a076754c4cab82a1fe73afc333d5b95c71b918", kill_on_drop: false }`
[INFO] [stdout] 5b243151d87d97184e4d7b6c58a076754c4cab82a1fe73afc333d5b95c71b918
[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] 2d554449b7884483402147c189277834aacf148906bdf3f9edd5fc51c9e3cead
[INFO] running `Command { std: "docker" "start" "-a" "2d554449b7884483402147c189277834aacf148906bdf3f9edd5fc51c9e3cead", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking owo-colors v1.1.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking pledge v0.4.0
[INFO] [stderr]     Checking unveil v0.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking mktemp v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking color-eyre v0.5.7
[INFO] [stderr]     Checking jane-eyre v0.3.0
[INFO] [stderr]     Checking xd v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/bin/xd/cli.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use atty::{self, Stream};
[INFO] [stdout]   |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]   --> src/bin/xd/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use atty::{self, Stream};
[INFO] [stdout]    |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/bin/xd/cli.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use atty::{self, Stream};
[INFO] [stdout]   |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]   --> src/bin/xd/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use atty::{self, Stream};
[INFO] [stdout]    |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `Command { std: "docker" "inspect" "2d554449b7884483402147c189277834aacf148906bdf3f9edd5fc51c9e3cead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d554449b7884483402147c189277834aacf148906bdf3f9edd5fc51c9e3cead", kill_on_drop: false }`
[INFO] [stdout] 2d554449b7884483402147c189277834aacf148906bdf3f9edd5fc51c9e3cead
[INFO] checking xd-0.0.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate xd 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate xd 0.0.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xd 0.0.4
[INFO] finished tweaking crates.io crate xd 0.0.4
[INFO] tweaked toml for crates.io crate xd 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate xd 0.0.4 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153ef0257f7f4fcd496dbe30170b478607d6cd05ad4c50715cbd7b2460a1b4be
[INFO] running `Command { std: "docker" "start" "-a" "153ef0257f7f4fcd496dbe30170b478607d6cd05ad4c50715cbd7b2460a1b4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153ef0257f7f4fcd496dbe30170b478607d6cd05ad4c50715cbd7b2460a1b4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153ef0257f7f4fcd496dbe30170b478607d6cd05ad4c50715cbd7b2460a1b4be", kill_on_drop: false }`
[INFO] [stdout] 153ef0257f7f4fcd496dbe30170b478607d6cd05ad4c50715cbd7b2460a1b4be
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c58a86c41cd59f95526cb60684c9756dd5ca1bce11ad82373f4e0c4793052b1a
[INFO] running `Command { std: "docker" "start" "-a" "c58a86c41cd59f95526cb60684c9756dd5ca1bce11ad82373f4e0c4793052b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking owo-colors v1.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unveil v0.2.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking pledge v0.4.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mktemp v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking color-eyre v0.5.7
[INFO] [stderr]     Checking jane-eyre v0.3.0
[INFO] [stderr]     Checking xd v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/bin/xd/cli.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use atty::{self, Stream};
[INFO] [stdout]   |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]   --> src/bin/xd/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use atty::{self, Stream};
[INFO] [stdout]    |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/bin/xd/cli.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use atty::{self, Stream};
[INFO] [stdout]   |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]   --> src/bin/xd/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use atty::{self, Stream};
[INFO] [stdout]    |            ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "c58a86c41cd59f95526cb60684c9756dd5ca1bce11ad82373f4e0c4793052b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58a86c41cd59f95526cb60684c9756dd5ca1bce11ad82373f4e0c4793052b1a", kill_on_drop: false }`
[INFO] [stdout] c58a86c41cd59f95526cb60684c9756dd5ca1bce11ad82373f4e0c4793052b1a