[INFO] fetching crate compact_arena 0.4.1...
[INFO] checking compact_arena-0.4.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate compact_arena 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate compact_arena 0.4.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compact_arena 0.4.1
[INFO] finished tweaking crates.io crate compact_arena 0.4.1
[INFO] tweaked toml for crates.io crate compact_arena 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35999ef6cc5b85b08613574c1bec908c626cf1143a697b08420197ae1b364077
[INFO] running `Command { std: "docker" "start" "-a" "35999ef6cc5b85b08613574c1bec908c626cf1143a697b08420197ae1b364077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35999ef6cc5b85b08613574c1bec908c626cf1143a697b08420197ae1b364077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35999ef6cc5b85b08613574c1bec908c626cf1143a697b08420197ae1b364077", kill_on_drop: false }`
[INFO] [stdout] 35999ef6cc5b85b08613574c1bec908c626cf1143a697b08420197ae1b364077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514bb67589183e5c928c71b3102b24c92f3971df0dcce2881294c44a3301c99e
[INFO] running `Command { std: "docker" "start" "-a" "514bb67589183e5c928c71b3102b24c92f3971df0dcce2881294c44a3301c99e", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking compact_arena v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "514bb67589183e5c928c71b3102b24c92f3971df0dcce2881294c44a3301c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514bb67589183e5c928c71b3102b24c92f3971df0dcce2881294c44a3301c99e", kill_on_drop: false }`
[INFO] [stdout] 514bb67589183e5c928c71b3102b24c92f3971df0dcce2881294c44a3301c99e