[INFO] fetching crate signal-hook 0.3.17...
[INFO] checking signal-hook-0.3.17 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate signal-hook 0.3.17 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate signal-hook 0.3.17 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 signal-hook 0.3.17
[INFO] finished tweaking crates.io crate signal-hook 0.3.17
[INFO] tweaked toml for crates.io crate signal-hook 0.3.17 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate signal-hook 0.3.17 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.7.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded serial_test v0.7.0
[INFO] [stderr]   Downloaded rustversion v1.0.6
[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] 3951e7fbc0f8706dac6e2abf513f80cbdeb9fb92173887fa024c9e9aaa7a2f72
[INFO] running `Command { std: "docker" "start" "-a" "3951e7fbc0f8706dac6e2abf513f80cbdeb9fb92173887fa024c9e9aaa7a2f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3951e7fbc0f8706dac6e2abf513f80cbdeb9fb92173887fa024c9e9aaa7a2f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3951e7fbc0f8706dac6e2abf513f80cbdeb9fb92173887fa024c9e9aaa7a2f72", kill_on_drop: false }`
[INFO] [stdout] 3951e7fbc0f8706dac6e2abf513f80cbdeb9fb92173887fa024c9e9aaa7a2f72
[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] 2276c2669fb5522ac594b3a7524d86e2668ee5ac039d1866f6143a7134518e96
[INFO] running `Command { std: "docker" "start" "-a" "2276c2669fb5522ac594b3a7524d86e2668ee5ac039d1866f6143a7134518e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling signal-hook v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/iterator/backend.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^ the item `libc` 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 `libc` is imported redundantly
[INFO] [stdout]   --> src/iterator/mod.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/low_level/pipe.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serial_test_derive v0.7.0
[INFO] [stderr]     Checking serial_test v0.7.0
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/iterator/backend.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^ the item `libc` 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 `libc` is imported redundantly
[INFO] [stdout]   --> src/iterator/mod.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.88s
[INFO] running `Command { std: "docker" "inspect" "2276c2669fb5522ac594b3a7524d86e2668ee5ac039d1866f6143a7134518e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2276c2669fb5522ac594b3a7524d86e2668ee5ac039d1866f6143a7134518e96", kill_on_drop: false }`
[INFO] [stdout] 2276c2669fb5522ac594b3a7524d86e2668ee5ac039d1866f6143a7134518e96
[INFO] checking signal-hook-0.3.17 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate signal-hook 0.3.17 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate signal-hook 0.3.17 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 signal-hook 0.3.17
[INFO] finished tweaking crates.io crate signal-hook 0.3.17
[INFO] tweaked toml for crates.io crate signal-hook 0.3.17 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate signal-hook 0.3.17 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" "+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] b945a51590143bcee54522965368958e1602978525ae5c9035ec8f337be6e94f
[INFO] running `Command { std: "docker" "start" "-a" "b945a51590143bcee54522965368958e1602978525ae5c9035ec8f337be6e94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b945a51590143bcee54522965368958e1602978525ae5c9035ec8f337be6e94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b945a51590143bcee54522965368958e1602978525ae5c9035ec8f337be6e94f", kill_on_drop: false }`
[INFO] [stdout] b945a51590143bcee54522965368958e1602978525ae5c9035ec8f337be6e94f
[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] 9db35b0d80e50a0e62b517eea1eda681ab0eff5add3d44246419b2992dfa1317
[INFO] running `Command { std: "docker" "start" "-a" "9db35b0d80e50a0e62b517eea1eda681ab0eff5add3d44246419b2992dfa1317", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "9db35b0d80e50a0e62b517eea1eda681ab0eff5add3d44246419b2992dfa1317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db35b0d80e50a0e62b517eea1eda681ab0eff5add3d44246419b2992dfa1317", kill_on_drop: false }`
[INFO] [stdout] 9db35b0d80e50a0e62b517eea1eda681ab0eff5add3d44246419b2992dfa1317