[INFO] fetching crate libmount 0.1.15...
[INFO] checking libmount-0.1.15 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate libmount 0.1.15 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate libmount 0.1.15 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmount 0.1.15
[INFO] finished tweaking crates.io crate libmount 0.1.15
[INFO] tweaked toml for crates.io crate libmount 0.1.15 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate libmount 0.1.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bc28784974d8ba378ef1cde9fc09537855538ce9d54d74cc5efa2bc7df21fff
[INFO] running `Command { std: "docker" "start" "-a" "6bc28784974d8ba378ef1cde9fc09537855538ce9d54d74cc5efa2bc7df21fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bc28784974d8ba378ef1cde9fc09537855538ce9d54d74cc5efa2bc7df21fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc28784974d8ba378ef1cde9fc09537855538ce9d54d74cc5efa2bc7df21fff", kill_on_drop: false }`
[INFO] [stdout] 6bc28784974d8ba378ef1cde9fc09537855538ce9d54d74cc5efa2bc7df21fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e60df520be42dd48cc5b8ca4bac3e19de29eab081eca225eade3df9385710869
[INFO] running `Command { std: "docker" "start" "-a" "e60df520be42dd48cc5b8ca4bac3e19de29eab081eca225eade3df9385710869", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "e60df520be42dd48cc5b8ca4bac3e19de29eab081eca225eade3df9385710869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60df520be42dd48cc5b8ca4bac3e19de29eab081eca225eade3df9385710869", kill_on_drop: false }`
[INFO] [stdout] e60df520be42dd48cc5b8ca4bac3e19de29eab081eca225eade3df9385710869