[INFO] fetching crate compact_arena 0.4.1...
[INFO] checking compact_arena-0.4.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate compact_arena 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate compact_arena 0.4.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a51be39082c9b6d19bd5e0742f12362c320ab0102c0f10171f4a56d80118410f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a51be39082c9b6d19bd5e0742f12362c320ab0102c0f10171f4a56d80118410f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a51be39082c9b6d19bd5e0742f12362c320ab0102c0f10171f4a56d80118410f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51be39082c9b6d19bd5e0742f12362c320ab0102c0f10171f4a56d80118410f", kill_on_drop: false }`
[INFO] [stdout] a51be39082c9b6d19bd5e0742f12362c320ab0102c0f10171f4a56d80118410f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f12ed9e3c7be4564480b62eef407538606a941ef9c2320bb73719cfe831d2ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f12ed9e3c7be4564480b62eef407538606a941ef9c2320bb73719cfe831d2ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking compact_arena v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking crossbeam-utils v0.8.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.86s
[INFO] running `Command { std: "docker" "inspect" "5f12ed9e3c7be4564480b62eef407538606a941ef9c2320bb73719cfe831d2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f12ed9e3c7be4564480b62eef407538606a941ef9c2320bb73719cfe831d2ec", kill_on_drop: false }`
[INFO] [stdout] 5f12ed9e3c7be4564480b62eef407538606a941ef9c2320bb73719cfe831d2ec