[INFO] fetching crate isow 0.3.0...
[INFO] checking isow-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate isow 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate isow 0.3.0
[INFO] finished tweaking crates.io crate isow 0.3.0
[INFO] tweaked toml for crates.io crate isow 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate isow 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate isow 0.3.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c2e57a410082f012946dc36235ad786f412fd25695c1e9cb8827657bce28a22
[INFO] running `Command { std: "docker" "start" "-a" "7c2e57a410082f012946dc36235ad786f412fd25695c1e9cb8827657bce28a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2e57a410082f012946dc36235ad786f412fd25695c1e9cb8827657bce28a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2e57a410082f012946dc36235ad786f412fd25695c1e9cb8827657bce28a22", kill_on_drop: false }`
[INFO] [stdout] 7c2e57a410082f012946dc36235ad786f412fd25695c1e9cb8827657bce28a22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e91448e2a23be43d342631d514ef37cb3d7b5cb8f3ddacbae62be0ca5fb53cf
[INFO] running `Command { std: "docker" "start" "-a" "0e91448e2a23be43d342631d514ef37cb3d7b5cb8f3ddacbae62be0ca5fb53cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking isocal v0.1.1
[INFO] [stderr]    Compiling rbtag_derive v0.3.0
[INFO] [stderr]     Checking rbtag v0.3.0
[INFO] [stderr]     Checking isow v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] fatal: not a git repository (or any parent up to mount point /opt/rustwide)
[INFO] [stderr] Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
[INFO] [stderr] fatal: not a git repository (or any parent up to mount point /opt/rustwide)
[INFO] [stderr] Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "0e91448e2a23be43d342631d514ef37cb3d7b5cb8f3ddacbae62be0ca5fb53cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e91448e2a23be43d342631d514ef37cb3d7b5cb8f3ddacbae62be0ca5fb53cf", kill_on_drop: false }`
[INFO] [stdout] 0e91448e2a23be43d342631d514ef37cb3d7b5cb8f3ddacbae62be0ca5fb53cf