[INFO] fetching crate rust-box 0.15.0...
[INFO] checking rust-box-0.15.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rust-box 0.15.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rust-box 0.15.0
[INFO] finished tweaking crates.io crate rust-box 0.15.0
[INFO] tweaked toml for crates.io crate rust-box 0.15.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-box 0.15.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-box 0.15.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded box-collections v0.2.0
[INFO] [stderr]   Downloaded leaky-bucket v1.1.2
[INFO] [stderr]   Downloaded stream-ext v0.2.4
[INFO] [stderr]   Downloaded box-counter v0.3.0
[INFO] [stderr]   Downloaded box-convert v0.1.1
[INFO] [stderr]   Downloaded tonic-build v0.13.1
[INFO] [stderr]   Downloaded event-notify v0.1.1
[INFO] [stderr]   Downloaded handy-grpc v0.5.0
[INFO] [stderr]   Downloaded mpsc v0.2.6
[INFO] [stderr]   Downloaded std-ext v0.3.2
[INFO] [stderr]   Downloaded queue-ext v0.4.1
[INFO] [stderr]   Downloaded dequemap v0.2.2
[INFO] [stderr]   Downloaded task-exec-queue v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d897387f567bc841f792a284f156c2052150ba1d9f29409eb7d464771dc7dd1
[INFO] running `Command { std: "docker" "start" "-a" "4d897387f567bc841f792a284f156c2052150ba1d9f29409eb7d464771dc7dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d897387f567bc841f792a284f156c2052150ba1d9f29409eb7d464771dc7dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d897387f567bc841f792a284f156c2052150ba1d9f29409eb7d464771dc7dd1", kill_on_drop: false }`
[INFO] [stdout] 4d897387f567bc841f792a284f156c2052150ba1d9f29409eb7d464771dc7dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec6f0c8a6872866f8aa2a7cfe157cf94699e6daefd034aee5951a67c9d65156
[INFO] running `Command { std: "docker" "start" "-a" "dec6f0c8a6872866f8aa2a7cfe157cf94699e6daefd034aee5951a67c9d65156", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-box v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "dec6f0c8a6872866f8aa2a7cfe157cf94699e6daefd034aee5951a67c9d65156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec6f0c8a6872866f8aa2a7cfe157cf94699e6daefd034aee5951a67c9d65156", kill_on_drop: false }`
[INFO] [stdout] dec6f0c8a6872866f8aa2a7cfe157cf94699e6daefd034aee5951a67c9d65156