[INFO] fetching crate mprober-lib 0.1.15...
[INFO] checking mprober-lib-0.1.15 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate mprober-lib 0.1.15 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mprober-lib 0.1.15
[INFO] finished tweaking crates.io crate mprober-lib 0.1.15
[INFO] tweaked toml for crates.io crate mprober-lib 0.1.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mprober-lib 0.1.15 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded page_size v0.6.0
[INFO] [stderr]   Downloaded generic-array v1.3.5
[INFO] [stderr]   Downloaded educe v0.5.11
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded scanner-rust v2.0.18
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e38339a72904c6a9abf66615249a869960110854a0823907de0dc7b867dd1849
[INFO] running `Command { std: "docker" "start" "-a" "e38339a72904c6a9abf66615249a869960110854a0823907de0dc7b867dd1849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e38339a72904c6a9abf66615249a869960110854a0823907de0dc7b867dd1849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38339a72904c6a9abf66615249a869960110854a0823907de0dc7b867dd1849", kill_on_drop: false }`
[INFO] [stdout] e38339a72904c6a9abf66615249a869960110854a0823907de0dc7b867dd1849
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014978b0ba199e7107c83a1c9cd68da7265a1a5102d60da5687d0f005b6c7105
[INFO] running `Command { std: "docker" "start" "-a" "014978b0ba199e7107c83a1c9cd68da7265a1a5102d60da5687d0f005b6c7105", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking utf8-width v0.1.8
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking generic-array v1.3.5
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.2
[INFO] [stderr]    Compiling enum-ordinalize v4.3.2
[INFO] [stderr]    Compiling educe v0.5.11
[INFO] [stderr]     Checking scanner-rust v2.0.18
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking mprober-lib v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "014978b0ba199e7107c83a1c9cd68da7265a1a5102d60da5687d0f005b6c7105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014978b0ba199e7107c83a1c9cd68da7265a1a5102d60da5687d0f005b6c7105", kill_on_drop: false }`
[INFO] [stdout] 014978b0ba199e7107c83a1c9cd68da7265a1a5102d60da5687d0f005b6c7105