[INFO] fetching crate bibparser 0.4.0...
[INFO] checking bibparser-0.4.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bibparser 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bibparser 0.4.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bibparser 0.4.0
[INFO] finished tweaking crates.io crate bibparser 0.4.0
[INFO] tweaked toml for crates.io crate bibparser 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate bibparser 0.4.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded clap_derive v3.0.12
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded clap v3.0.13
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5970bdced4609ab4b3969456f9f369a6dd7b278b0a5db5fd2501c7331a0426b9
[INFO] running `Command { std: "docker" "start" "-a" "5970bdced4609ab4b3969456f9f369a6dd7b278b0a5db5fd2501c7331a0426b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5970bdced4609ab4b3969456f9f369a6dd7b278b0a5db5fd2501c7331a0426b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5970bdced4609ab4b3969456f9f369a6dd7b278b0a5db5fd2501c7331a0426b9", kill_on_drop: false }`
[INFO] [stdout] 5970bdced4609ab4b3969456f9f369a6dd7b278b0a5db5fd2501c7331a0426b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2929083feb70c985f29cbde637bcfb0210afc960980521ca002284b903ccba6b
[INFO] running `Command { std: "docker" "start" "-a" "2929083feb70c985f29cbde637bcfb0210afc960980521ca002284b903ccba6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking bibparser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `skip` is not used by name
[INFO] [stdout]   --> src/errors.rs:26:52
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                   --------         ^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this formatting argument uses named argument `skip` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {skip:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `skip` is not used by name
[INFO] [stdout]   --> src/errors.rs:26:52
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                   --------         ^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this formatting argument uses named argument `skip` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {skip:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `error` is imported redundantly
[INFO] [stdout]    --> src/parser.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     use super::*;
[INFO] [stdout]     |         -------- the item `error` is already imported here
[INFO] [stdout] 127 |     use std::error;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap` is imported redundantly
[INFO] [stdout]  --> examples/cli.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap;
[INFO] [stdout]   |     ^^^^ the item `clap` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "2929083feb70c985f29cbde637bcfb0210afc960980521ca002284b903ccba6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2929083feb70c985f29cbde637bcfb0210afc960980521ca002284b903ccba6b", kill_on_drop: false }`
[INFO] [stdout] 2929083feb70c985f29cbde637bcfb0210afc960980521ca002284b903ccba6b
[INFO] checking bibparser-0.4.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bibparser 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bibparser 0.4.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bibparser 0.4.0
[INFO] finished tweaking crates.io crate bibparser 0.4.0
[INFO] tweaked toml for crates.io crate bibparser 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate bibparser 0.4.0 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b54d707f52f13f1090d57707492188a021b4fef5ecf8e5cfea91207867f121
[INFO] running `Command { std: "docker" "start" "-a" "62b54d707f52f13f1090d57707492188a021b4fef5ecf8e5cfea91207867f121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b54d707f52f13f1090d57707492188a021b4fef5ecf8e5cfea91207867f121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b54d707f52f13f1090d57707492188a021b4fef5ecf8e5cfea91207867f121", kill_on_drop: false }`
[INFO] [stdout] 62b54d707f52f13f1090d57707492188a021b4fef5ecf8e5cfea91207867f121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 983a969d07578398f6fceca09fad975357432126a1a6df51c0560fa7d5dc9704
[INFO] running `Command { std: "docker" "start" "-a" "983a969d07578398f6fceca09fad975357432126a1a6df51c0560fa7d5dc9704", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking bibparser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `skip` is not used by name
[INFO] [stdout]   --> src/errors.rs:26:52
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                   --------         ^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this formatting argument uses named argument `skip` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {skip:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `skip` is not used by name
[INFO] [stdout]   --> src/errors.rs:26:52
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                   --------         ^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this formatting argument uses named argument `skip` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     write!(f, "   {skip:skip$}↑ here", skip = info.colno)?;
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `error` is imported redundantly
[INFO] [stdout]    --> src/parser.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     use super::*;
[INFO] [stdout]     |         -------- the item `error` is already imported here
[INFO] [stdout] 127 |     use std::error;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap` is imported redundantly
[INFO] [stdout]  --> examples/cli.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap;
[INFO] [stdout]   |     ^^^^ the item `clap` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "983a969d07578398f6fceca09fad975357432126a1a6df51c0560fa7d5dc9704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983a969d07578398f6fceca09fad975357432126a1a6df51c0560fa7d5dc9704", kill_on_drop: false }`
[INFO] [stdout] 983a969d07578398f6fceca09fad975357432126a1a6df51c0560fa7d5dc9704
