[INFO] cloning repository https://github.com/quadhier/learn-rust-lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quadhier/learn-rust-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadhier%2Flearn-rust-lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadhier%2Flearn-rust-lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f041214a38f9d0ec915d2ff580307814e20476f8
[INFO] building quadhier/learn-rust-lists against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadhier%2Flearn-rust-lists" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quadhier/learn-rust-lists on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quadhier/learn-rust-lists
[INFO] finished tweaking git repo https://github.com/quadhier/learn-rust-lists
[INFO] tweaked toml for git repo https://github.com/quadhier/learn-rust-lists written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quadhier/learn-rust-lists 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ee0029fe1c10bea9458e9489a9c49bc2edf7a24b0b42f3bf06e4a06af994cf4
[INFO] running `Command { std: "docker" "start" "-a" "4ee0029fe1c10bea9458e9489a9c49bc2edf7a24b0b42f3bf06e4a06af994cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee0029fe1c10bea9458e9489a9c49bc2edf7a24b0b42f3bf06e4a06af994cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee0029fe1c10bea9458e9489a9c49bc2edf7a24b0b42f3bf06e4a06af994cf4", kill_on_drop: false }`
[INFO] [stdout] 4ee0029fe1c10bea9458e9489a9c49bc2edf7a24b0b42f3bf06e4a06af994cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b711d8ad8313d2fbe3c30ad0194fa82015bbf09f214a0b1ee94211220635d22c
[INFO] running `Command { std: "docker" "start" "-a" "b711d8ad8313d2fbe3c30ad0194fa82015bbf09f214a0b1ee94211220635d22c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "b711d8ad8313d2fbe3c30ad0194fa82015bbf09f214a0b1ee94211220635d22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b711d8ad8313d2fbe3c30ad0194fa82015bbf09f214a0b1ee94211220635d22c", kill_on_drop: false }`
[INFO] [stdout] b711d8ad8313d2fbe3c30ad0194fa82015bbf09f214a0b1ee94211220635d22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c159286fc72ffa11a301f71067813f2b015bccf1ec69644dafc6aaf8f7989b
[INFO] running `Command { std: "docker" "start" "-a" "36c159286fc72ffa11a301f71067813f2b015bccf1ec69644dafc6aaf8f7989b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "36c159286fc72ffa11a301f71067813f2b015bccf1ec69644dafc6aaf8f7989b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c159286fc72ffa11a301f71067813f2b015bccf1ec69644dafc6aaf8f7989b", kill_on_drop: false }`
[INFO] [stdout] 36c159286fc72ffa11a301f71067813f2b015bccf1ec69644dafc6aaf8f7989b