[INFO] cloning repository https://github.com/E-Neo/mathtools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/E-Neo/mathtools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a632ea86a44c6449ced2aa9657b5927c7d79095e
[INFO] checking E-Neo/mathtools against try#18f0df251aa25bd85bb3d295ad1bd925a64b1ffc for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-Neo%2Fmathtools" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/E-Neo/mathtools on toolchain 18f0df251aa25bd85bb3d295ad1bd925a64b1ffc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/E-Neo/mathtools
[INFO] finished tweaking git repo https://github.com/E-Neo/mathtools
[INFO] tweaked toml for git repo https://github.com/E-Neo/mathtools written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cc6d9158b7925e1fe3d426a08f37ebbd8ff2abe6cc76da7ecf425bcb14f4d59
[INFO] running `Command { std: "docker" "start" "-a" "5cc6d9158b7925e1fe3d426a08f37ebbd8ff2abe6cc76da7ecf425bcb14f4d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cc6d9158b7925e1fe3d426a08f37ebbd8ff2abe6cc76da7ecf425bcb14f4d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc6d9158b7925e1fe3d426a08f37ebbd8ff2abe6cc76da7ecf425bcb14f4d59", kill_on_drop: false }`
[INFO] [stdout] 5cc6d9158b7925e1fe3d426a08f37ebbd8ff2abe6cc76da7ecf425bcb14f4d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc57f3b3429723a105751fd103b835a5d9b14e5213807758a07d29de760a3de
[INFO] running `Command { std: "docker" "start" "-a" "7cc57f3b3429723a105751fd103b835a5d9b14e5213807758a07d29de760a3de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling rug v1.15.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking mathtools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 42s
[INFO] running `Command { std: "docker" "inspect" "7cc57f3b3429723a105751fd103b835a5d9b14e5213807758a07d29de760a3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc57f3b3429723a105751fd103b835a5d9b14e5213807758a07d29de760a3de", kill_on_drop: false }`
[INFO] [stdout] 7cc57f3b3429723a105751fd103b835a5d9b14e5213807758a07d29de760a3de