[INFO] fetching crate alto_logger 0.3.7...
[INFO] checking alto_logger-0.3.7 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate alto_logger 0.3.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate alto_logger 0.3.7 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alto_logger 0.3.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alto_logger 0.3.7
[INFO] tweaked toml for crates.io crate alto_logger 0.3.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate alto_logger 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded standback v0.2.5
[INFO] [stderr]   Downloaded time v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d34777a80983fc084619ce8865d18b83a83425d03fcc04f15e61de1fa6eea7aa
[INFO] running `Command { std: "docker" "start" "-a" "d34777a80983fc084619ce8865d18b83a83425d03fcc04f15e61de1fa6eea7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34777a80983fc084619ce8865d18b83a83425d03fcc04f15e61de1fa6eea7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34777a80983fc084619ce8865d18b83a83425d03fcc04f15e61de1fa6eea7aa", kill_on_drop: false }`
[INFO] [stdout] d34777a80983fc084619ce8865d18b83a83425d03fcc04f15e61de1fa6eea7aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a16b366655d70625e2ad72e7e255a7d764daa616ee0d5af4935bd3d1e5ec4ce
[INFO] running `Command { std: "docker" "start" "-a" "0a16b366655d70625e2ad72e7e255a7d764daa616ee0d5af4935bd3d1e5ec4ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking alto_logger v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "0a16b366655d70625e2ad72e7e255a7d764daa616ee0d5af4935bd3d1e5ec4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a16b366655d70625e2ad72e7e255a7d764daa616ee0d5af4935bd3d1e5ec4ce", kill_on_drop: false }`
[INFO] [stdout] 0a16b366655d70625e2ad72e7e255a7d764daa616ee0d5af4935bd3d1e5ec4ce