[INFO] fetching crate mtfs 0.0.1...
[INFO] checking mtfs-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate mtfs 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mtfs 0.0.1
[INFO] finished tweaking crates.io crate mtfs 0.0.1
[INFO] tweaked toml for crates.io crate mtfs 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtfs 0.0.1 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 mtfs 0.0.1 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 thread-scoped v1.0.2
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 431c28d866fe50d06822c1ef9fc11496f1fdc348d6d0aa93117737f407bfcdfc
[INFO] running `Command { std: "docker" "start" "-a" "431c28d866fe50d06822c1ef9fc11496f1fdc348d6d0aa93117737f407bfcdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "431c28d866fe50d06822c1ef9fc11496f1fdc348d6d0aa93117737f407bfcdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431c28d866fe50d06822c1ef9fc11496f1fdc348d6d0aa93117737f407bfcdfc", kill_on_drop: false }`
[INFO] [stdout] 431c28d866fe50d06822c1ef9fc11496f1fdc348d6d0aa93117737f407bfcdfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 724a79961beaad2bde8ab34b4c9f243ee4ba69599035037d9d2d09930d8d5b63
[INFO] running `Command { std: "docker" "start" "-a" "724a79961beaad2bde8ab34b4c9f243ee4ba69599035037d9d2d09930d8d5b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "724a79961beaad2bde8ab34b4c9f243ee4ba69599035037d9d2d09930d8d5b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724a79961beaad2bde8ab34b4c9f243ee4ba69599035037d9d2d09930d8d5b63", kill_on_drop: false }`
[INFO] [stdout] 724a79961beaad2bde8ab34b4c9f243ee4ba69599035037d9d2d09930d8d5b63