[INFO] fetching crate signal-hook 0.3.17...
[INFO] checking signal-hook-0.3.17 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate signal-hook 0.3.17 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate signal-hook 0.3.17 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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-7-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.7.0
[INFO] [stderr]   Downloaded serial_test v0.7.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.13
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded lock_api v0.4.7
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded parking_lot_core v0.9.3
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded rustversion v1.0.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded windows-sys v0.36.1
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99d264242443f4ff96da9f459731b5387c6c09068a2a3c830432401686403174
[INFO] running `Command { std: "docker" "start" "-a" "99d264242443f4ff96da9f459731b5387c6c09068a2a3c830432401686403174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99d264242443f4ff96da9f459731b5387c6c09068a2a3c830432401686403174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d264242443f4ff96da9f459731b5387c6c09068a2a3c830432401686403174", kill_on_drop: false }`
[INFO] [stdout] 99d264242443f4ff96da9f459731b5387c6c09068a2a3c830432401686403174
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6880deb651063373dd5b26897a8967a3cc4545366611c024414019dd90d062df
[INFO] running `Command { std: "docker" "start" "-a" "6880deb651063373dd5b26897a8967a3cc4545366611c024414019dd90d062df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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] [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 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 5.58s
[INFO] running `Command { std: "docker" "inspect" "6880deb651063373dd5b26897a8967a3cc4545366611c024414019dd90d062df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6880deb651063373dd5b26897a8967a3cc4545366611c024414019dd90d062df", kill_on_drop: false }`
[INFO] [stdout] 6880deb651063373dd5b26897a8967a3cc4545366611c024414019dd90d062df
[INFO] checking signal-hook-0.3.17 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate signal-hook 0.3.17 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate signal-hook 0.3.17 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "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-7-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "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] 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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 451f1bb7c9184bbd88356a6fc1b8a67e876e1a7f0bf524d16b051b735483f23c
[INFO] running `Command { std: "docker" "start" "-a" "451f1bb7c9184bbd88356a6fc1b8a67e876e1a7f0bf524d16b051b735483f23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "451f1bb7c9184bbd88356a6fc1b8a67e876e1a7f0bf524d16b051b735483f23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451f1bb7c9184bbd88356a6fc1b8a67e876e1a7f0bf524d16b051b735483f23c", kill_on_drop: false }`
[INFO] [stdout] 451f1bb7c9184bbd88356a6fc1b8a67e876e1a7f0bf524d16b051b735483f23c
[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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8467beceb8d25447786acd4e18597baef1658bb4716f0c17ed27fbfed91ff805
[INFO] running `Command { std: "docker" "start" "-a" "8467beceb8d25447786acd4e18597baef1658bb4716f0c17ed27fbfed91ff805", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "8467beceb8d25447786acd4e18597baef1658bb4716f0c17ed27fbfed91ff805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8467beceb8d25447786acd4e18597baef1658bb4716f0c17ed27fbfed91ff805", kill_on_drop: false }`
[INFO] [stdout] 8467beceb8d25447786acd4e18597baef1658bb4716f0c17ed27fbfed91ff805