[INFO] fetching crate exitfailure 0.5.1...
[INFO] checking exitfailure-0.5.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate exitfailure 0.5.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate exitfailure 0.5.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exitfailure 0.5.1
[INFO] finished tweaking crates.io crate exitfailure 0.5.1
[INFO] tweaked toml for crates.io crate exitfailure 0.5.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--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]      Locking 41 packages
[INFO] [stderr]       Adding assert_cmd v0.9.1 (latest: v2.0.14)
[INFO] [stderr]       Adding escargot v0.3.1 (latest: v0.5.10)
[INFO] [stderr]       Adding float-cmp v0.4.0 (latest: v0.9.0)
[INFO] [stderr]       Adding normalize-line-endings v0.2.2 (latest: v0.3.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding predicates v0.9.1 (latest: v3.1.0)
[INFO] [stderr]       Adding predicates-core v0.9.0 (latest: v1.0.6)
[INFO] [stderr]       Adding predicates-tree v0.9.0 (latest: v1.0.9)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded assert_cmd v0.9.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded predicates v0.9.1
[INFO] [stderr]   Downloaded predicates-tree v0.9.0
[INFO] [stderr]   Downloaded predicates-core v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fd3c924d65d177a18cb7ef6fbbda4f200237b557fdc0d264c0774cc71eda0d
[INFO] running `Command { std: "docker" "start" "-a" "11fd3c924d65d177a18cb7ef6fbbda4f200237b557fdc0d264c0774cc71eda0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fd3c924d65d177a18cb7ef6fbbda4f200237b557fdc0d264c0774cc71eda0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fd3c924d65d177a18cb7ef6fbbda4f200237b557fdc0d264c0774cc71eda0d", kill_on_drop: false }`
[INFO] [stdout] 11fd3c924d65d177a18cb7ef6fbbda4f200237b557fdc0d264c0774cc71eda0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6006bbf88ee1d35c3e5830557e28e1f5fd9d45df91ad3e200608957d6320aec3
[INFO] running `Command { std: "docker" "start" "-a" "6006bbf88ee1d35c3e5830557e28e1f5fd9d45df91ad3e200608957d6320aec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking predicates-core v0.9.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking predicates-tree v0.9.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking predicates v0.9.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]   --> src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | extern crate failure;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     unused_extern_crates,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exitfailure` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6006bbf88ee1d35c3e5830557e28e1f5fd9d45df91ad3e200608957d6320aec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6006bbf88ee1d35c3e5830557e28e1f5fd9d45df91ad3e200608957d6320aec3", kill_on_drop: false }`
[INFO] [stdout] 6006bbf88ee1d35c3e5830557e28e1f5fd9d45df91ad3e200608957d6320aec3
[INFO] checking exitfailure-0.5.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate exitfailure 0.5.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate exitfailure 0.5.1 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exitfailure 0.5.1
[INFO] finished tweaking crates.io crate exitfailure 0.5.1
[INFO] tweaked toml for crates.io crate exitfailure 0.5.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 147a9cf19a7737862509b92b7e83c5a412a643acd04a7ff7d98dba87c125f5b7
[INFO] running `Command { std: "docker" "start" "-a" "147a9cf19a7737862509b92b7e83c5a412a643acd04a7ff7d98dba87c125f5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147a9cf19a7737862509b92b7e83c5a412a643acd04a7ff7d98dba87c125f5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147a9cf19a7737862509b92b7e83c5a412a643acd04a7ff7d98dba87c125f5b7", kill_on_drop: false }`
[INFO] [stdout] 147a9cf19a7737862509b92b7e83c5a412a643acd04a7ff7d98dba87c125f5b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f5e9f1b9c2c0ebf5b497801384f4f12b9dfd13aa8cc3ccc7495679d4e40334
[INFO] running `Command { std: "docker" "start" "-a" "25f5e9f1b9c2c0ebf5b497801384f4f12b9dfd13aa8cc3ccc7495679d4e40334", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "25f5e9f1b9c2c0ebf5b497801384f4f12b9dfd13aa8cc3ccc7495679d4e40334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f5e9f1b9c2c0ebf5b497801384f4f12b9dfd13aa8cc3ccc7495679d4e40334", kill_on_drop: false }`
[INFO] [stdout] 25f5e9f1b9c2c0ebf5b497801384f4f12b9dfd13aa8cc3ccc7495679d4e40334