[INFO] cloning repository https://github.com/yorickpeterse/pattern-matching-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yorickpeterse/pattern-matching-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorickpeterse%2Fpattern-matching-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorickpeterse%2Fpattern-matching-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2d23d0d2131c0e7c8244cae28103fccb4fcee94
[INFO] building yorickpeterse/pattern-matching-in-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyorickpeterse%2Fpattern-matching-in-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yorickpeterse/pattern-matching-in-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yorickpeterse/pattern-matching-in-rust
[INFO] finished tweaking git repo https://github.com/yorickpeterse/pattern-matching-in-rust
[INFO] tweaked toml for git repo https://github.com/yorickpeterse/pattern-matching-in-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yorickpeterse/pattern-matching-in-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded similar-asserts v1.2.0
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded similar v2.1.0
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ed2dd54e49f3f8d21b969c0e89d9bd96e10b6e837eee11b5e4cac4ab6983109
[INFO] running `Command { std: "docker" "start" "-a" "4ed2dd54e49f3f8d21b969c0e89d9bd96e10b6e837eee11b5e4cac4ab6983109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ed2dd54e49f3f8d21b969c0e89d9bd96e10b6e837eee11b5e4cac4ab6983109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed2dd54e49f3f8d21b969c0e89d9bd96e10b6e837eee11b5e4cac4ab6983109", kill_on_drop: false }`
[INFO] [stdout] 4ed2dd54e49f3f8d21b969c0e89d9bd96e10b6e837eee11b5e4cac4ab6983109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a6c77ffdee49ab73b9bf2fb2055977dbd737dc4817bd0c7d0296af295966c3c
[INFO] running `Command { std: "docker" "start" "-a" "8a6c77ffdee49ab73b9bf2fb2055977dbd737dc4817bd0c7d0296af295966c3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling jacobs2021 v1.0.0 (/opt/rustwide/workdir/jacobs2021)
[INFO] [stderr]    Compiling sestoft1996 v1.0.0 (/opt/rustwide/workdir/sestoft1996)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "8a6c77ffdee49ab73b9bf2fb2055977dbd737dc4817bd0c7d0296af295966c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6c77ffdee49ab73b9bf2fb2055977dbd737dc4817bd0c7d0296af295966c3c", kill_on_drop: false }`
[INFO] [stdout] 8a6c77ffdee49ab73b9bf2fb2055977dbd737dc4817bd0c7d0296af295966c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cd2d4eccd6736cccd0b03a6d654252f84cd37c6ebc3440eb33a243dbc65a44
[INFO] running `Command { std: "docker" "start" "-a" "27cd2d4eccd6736cccd0b03a6d654252f84cd37c6ebc3440eb33a243dbc65a44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling sestoft1996 v1.0.0 (/opt/rustwide/workdir/sestoft1996)
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stderr]    Compiling similar-asserts v1.2.0
[INFO] [stderr]    Compiling jacobs2021 v1.0.0 (/opt/rustwide/workdir/jacobs2021)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "27cd2d4eccd6736cccd0b03a6d654252f84cd37c6ebc3440eb33a243dbc65a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cd2d4eccd6736cccd0b03a6d654252f84cd37c6ebc3440eb33a243dbc65a44", kill_on_drop: false }`
[INFO] [stdout] 27cd2d4eccd6736cccd0b03a6d654252f84cd37c6ebc3440eb33a243dbc65a44