[INFO] fetching crate caplog 0.3.0...
[INFO] checking caplog-0.3.0 against master#e3e432d4d65a55e6db167598e96db2bcb163e316 for pr-140313
[INFO] extracting crate caplog 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate caplog 0.3.0 on toolchain e3e432d4d65a55e6db167598e96db2bcb163e316
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caplog 0.3.0
[INFO] finished tweaking crates.io crate caplog 0.3.0
[INFO] tweaked toml for crates.io crate caplog 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate caplog 0.3.0 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" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boxcar v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0f60f058a5f21e67e5b904a0cf80a7625032a6be3251f33a0e98eb77dbd0bee
[INFO] running `Command { std: "docker" "start" "-a" "a0f60f058a5f21e67e5b904a0cf80a7625032a6be3251f33a0e98eb77dbd0bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0f60f058a5f21e67e5b904a0cf80a7625032a6be3251f33a0e98eb77dbd0bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f60f058a5f21e67e5b904a0cf80a7625032a6be3251f33a0e98eb77dbd0bee", kill_on_drop: false }`
[INFO] [stdout] a0f60f058a5f21e67e5b904a0cf80a7625032a6be3251f33a0e98eb77dbd0bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a0f254989d70221f9281f837bf158c2b4a6b069d293e4de6e7063f2d5431aeb
[INFO] running `Command { std: "docker" "start" "-a" "6a0f254989d70221f9281f837bf158c2b4a6b069d293e4de6e7063f2d5431aeb", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking boxcar v0.2.11
[INFO] [stderr]     Checking caplog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "6a0f254989d70221f9281f837bf158c2b4a6b069d293e4de6e7063f2d5431aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0f254989d70221f9281f837bf158c2b4a6b069d293e4de6e7063f2d5431aeb", kill_on_drop: false }`
[INFO] [stdout] 6a0f254989d70221f9281f837bf158c2b4a6b069d293e4de6e7063f2d5431aeb