[INFO] fetching crate cuach 0.4.1...
[INFO] building cuach-0.4.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate cuach 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cuach 0.4.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuach 0.4.1
[INFO] finished tweaking crates.io crate cuach 0.4.1
[INFO] tweaked toml for crates.io crate cuach 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v_escape_derive v0.8.4
[INFO] [stderr]   Downloaded buf-min v0.5.0
[INFO] [stderr]   Downloaded v_htmlescape v0.13.0
[INFO] [stderr]   Downloaded v_escape v0.16.0
[INFO] [stderr]   Downloaded cuach-derive v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b46539c2fcb0fd8ea1d30a8ef14f438c969a35419ced9458b7cca3df75144cce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b46539c2fcb0fd8ea1d30a8ef14f438c969a35419ced9458b7cca3df75144cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b46539c2fcb0fd8ea1d30a8ef14f438c969a35419ced9458b7cca3df75144cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46539c2fcb0fd8ea1d30a8ef14f438c969a35419ced9458b7cca3df75144cce", kill_on_drop: false }`
[INFO] [stdout] b46539c2fcb0fd8ea1d30a8ef14f438c969a35419ced9458b7cca3df75144cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 536ddbcbbd908bed6e928b4343b5870ebae17330191c785f077c25481065f090
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "536ddbcbbd908bed6e928b4343b5870ebae17330191c785f077c25481065f090", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_escape v0.16.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling v_htmlescape v0.13.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling buf-min v0.5.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]    Compiling cuach-derive v0.2.5
[INFO] [stderr]    Compiling cuach v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "536ddbcbbd908bed6e928b4343b5870ebae17330191c785f077c25481065f090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536ddbcbbd908bed6e928b4343b5870ebae17330191c785f077c25481065f090", kill_on_drop: false }`
[INFO] [stdout] 536ddbcbbd908bed6e928b4343b5870ebae17330191c785f077c25481065f090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe6053daca7b1e432f4feae73be917fc3b3f1f1e354b93c8fbeeac9373ed927
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cfe6053daca7b1e432f4feae73be917fc3b3f1f1e354b93c8fbeeac9373ed927", kill_on_drop: false }`
[INFO] [stderr]    Compiling cuach v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "cfe6053daca7b1e432f4feae73be917fc3b3f1f1e354b93c8fbeeac9373ed927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe6053daca7b1e432f4feae73be917fc3b3f1f1e354b93c8fbeeac9373ed927", kill_on_drop: false }`
[INFO] [stdout] cfe6053daca7b1e432f4feae73be917fc3b3f1f1e354b93c8fbeeac9373ed927
