[INFO] fetching crate feature-probe 0.1.1...
[INFO] checking feature-probe-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate feature-probe 0.1.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate feature-probe 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feature-probe 0.1.1
[INFO] finished tweaking crates.io crate feature-probe 0.1.1
[INFO] tweaked toml for crates.io crate feature-probe 0.1.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3afb176deb12a0493d1eca156af4b99ef0f1edace27d833f2643d9f0fbc120da
[INFO] running `Command { std: "docker" "start" "-a" "3afb176deb12a0493d1eca156af4b99ef0f1edace27d833f2643d9f0fbc120da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3afb176deb12a0493d1eca156af4b99ef0f1edace27d833f2643d9f0fbc120da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afb176deb12a0493d1eca156af4b99ef0f1edace27d833f2643d9f0fbc120da", kill_on_drop: false }`
[INFO] [stdout] 3afb176deb12a0493d1eca156af4b99ef0f1edace27d833f2643d9f0fbc120da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8afc4f7f4f9ee59d4c824a8ec4453163b1dbc1bc577a87e14740cb028dcc4467
[INFO] running `Command { std: "docker" "start" "-a" "8afc4f7f4f9ee59d4c824a8ec4453163b1dbc1bc577a87e14740cb028dcc4467", kill_on_drop: false }`
[INFO] [stderr]     Checking feature-probe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "8afc4f7f4f9ee59d4c824a8ec4453163b1dbc1bc577a87e14740cb028dcc4467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afc4f7f4f9ee59d4c824a8ec4453163b1dbc1bc577a87e14740cb028dcc4467", kill_on_drop: false }`
[INFO] [stdout] 8afc4f7f4f9ee59d4c824a8ec4453163b1dbc1bc577a87e14740cb028dcc4467