[INFO] fetching crate vercomp 0.5.0...
[INFO] building vercomp-0.5.0 against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] extracting crate vercomp 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate vercomp 0.5.0 on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vercomp 0.5.0
[INFO] finished tweaking crates.io crate vercomp 0.5.0
[INFO] tweaked toml for crates.io crate vercomp 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate vercomp 0.5.0 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded regex v1.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed24804fec7358b82c7681769bb4b391512df0a15620e2a1995805165508da6
[INFO] running `Command { std: "docker" "start" "-a" "fed24804fec7358b82c7681769bb4b391512df0a15620e2a1995805165508da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed24804fec7358b82c7681769bb4b391512df0a15620e2a1995805165508da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed24804fec7358b82c7681769bb4b391512df0a15620e2a1995805165508da6", kill_on_drop: false }`
[INFO] [stdout] fed24804fec7358b82c7681769bb4b391512df0a15620e2a1995805165508da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be254d67ffb438d3b58f95b494c8740bc7c3b915672ae4e51cd59037d4c76a9
[INFO] running `Command { std: "docker" "start" "-a" "2be254d67ffb438d3b58f95b494c8740bc7c3b915672ae4e51cd59037d4c76a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling vercomp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "2be254d67ffb438d3b58f95b494c8740bc7c3b915672ae4e51cd59037d4c76a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be254d67ffb438d3b58f95b494c8740bc7c3b915672ae4e51cd59037d4c76a9", kill_on_drop: false }`
[INFO] [stdout] 2be254d67ffb438d3b58f95b494c8740bc7c3b915672ae4e51cd59037d4c76a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55cbcb7dd98c476508145e5c66cefed868b9aeaa374b513af7c1e5d5dda7270
[INFO] running `Command { std: "docker" "start" "-a" "f55cbcb7dd98c476508145e5c66cefed868b9aeaa374b513af7c1e5d5dda7270", kill_on_drop: false }`
[INFO] [stderr]    Compiling vercomp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "f55cbcb7dd98c476508145e5c66cefed868b9aeaa374b513af7c1e5d5dda7270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55cbcb7dd98c476508145e5c66cefed868b9aeaa374b513af7c1e5d5dda7270", kill_on_drop: false }`
[INFO] [stdout] f55cbcb7dd98c476508145e5c66cefed868b9aeaa374b513af7c1e5d5dda7270