[INFO] cloning repository https://github.com/hydro-project/matchbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hydro-project/matchbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhydro-project%2Fmatchbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhydro-project%2Fmatchbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 902c22826751760b35f7cb8e2e8d8b84dfe73cae
[INFO] checking hydro-project/matchbox against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhydro-project%2Fmatchbox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hydro-project/matchbox
[INFO] finished tweaking git repo https://github.com/hydro-project/matchbox
[INFO] tweaked toml for git repo https://github.com/hydro-project/matchbox written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hydro-project/matchbox on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hydro-project/matchbox 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" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.99
[INFO] [stderr]   Downloaded insta v1.40.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7682c89ac7a395f4a04aba7d5af0da8f06343a2f85c010a597bfadbb3d1db1
[INFO] running `Command { std: "docker" "start" "-a" "cc7682c89ac7a395f4a04aba7d5af0da8f06343a2f85c010a597bfadbb3d1db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7682c89ac7a395f4a04aba7d5af0da8f06343a2f85c010a597bfadbb3d1db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7682c89ac7a395f4a04aba7d5af0da8f06343a2f85c010a597bfadbb3d1db1", kill_on_drop: false }`
[INFO] [stdout] cc7682c89ac7a395f4a04aba7d5af0da8f06343a2f85c010a597bfadbb3d1db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b8bec7a97b490da016e1520186a12bd068e4020b49b0a36fd73380952e1827
[INFO] running `Command { std: "docker" "start" "-a" "72b8bec7a97b490da016e1520186a12bd068e4020b49b0a36fd73380952e1827", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking insta v1.40.0
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.21
[INFO] [stderr]     Checking match_box v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.55s
[INFO] running `Command { std: "docker" "inspect" "72b8bec7a97b490da016e1520186a12bd068e4020b49b0a36fd73380952e1827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b8bec7a97b490da016e1520186a12bd068e4020b49b0a36fd73380952e1827", kill_on_drop: false }`
[INFO] [stdout] 72b8bec7a97b490da016e1520186a12bd068e4020b49b0a36fd73380952e1827