[INFO] fetching crate tarr 0.1.2...
[INFO] checking tarr-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tarr 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tarr 0.1.2
[INFO] finished tweaking crates.io crate tarr 0.1.2
[INFO] tweaked toml for crates.io crate tarr 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tarr 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tarr 0.1.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cee5566f01ef5dfd6b9e56366f0f8011faa7cd3d80d0cf2519eb2d7f684fbaee
[INFO] running `Command { std: "docker" "start" "-a" "cee5566f01ef5dfd6b9e56366f0f8011faa7cd3d80d0cf2519eb2d7f684fbaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cee5566f01ef5dfd6b9e56366f0f8011faa7cd3d80d0cf2519eb2d7f684fbaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee5566f01ef5dfd6b9e56366f0f8011faa7cd3d80d0cf2519eb2d7f684fbaee", kill_on_drop: false }`
[INFO] [stdout] cee5566f01ef5dfd6b9e56366f0f8011faa7cd3d80d0cf2519eb2d7f684fbaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ab41e475bb6ea7ec827e2729ce931387190ce1292663f6c8fd98e6750b0d2c7
[INFO] running `Command { std: "docker" "start" "-a" "3ab41e475bb6ea7ec827e2729ce931387190ce1292663f6c8fd98e6750b0d2c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.47
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking tarr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "3ab41e475bb6ea7ec827e2729ce931387190ce1292663f6c8fd98e6750b0d2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab41e475bb6ea7ec827e2729ce931387190ce1292663f6c8fd98e6750b0d2c7", kill_on_drop: false }`
[INFO] [stdout] 3ab41e475bb6ea7ec827e2729ce931387190ce1292663f6c8fd98e6750b0d2c7