[INFO] fetching crate cubek-matmul 0.2.0-pre.3...
[INFO] checking cubek-matmul-0.2.0-pre.3 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] extracting crate cubek-matmul 0.2.0-pre.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cubek-matmul 0.2.0-pre.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cubek-matmul 0.2.0-pre.3
[INFO] tweaked toml for crates.io crate cubek-matmul 0.2.0-pre.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cubek-matmul 0.2.0-pre.3 on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cubek-matmul 0.2.0-pre.3 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded cubek-test-utils v0.2.0-pre.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44e3f0efc54d20e11534eb6655d8c83cf8424e88d7f904498eaa44188019e872
[INFO] running `Command { std: "docker" "start" "-a" "44e3f0efc54d20e11534eb6655d8c83cf8424e88d7f904498eaa44188019e872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44e3f0efc54d20e11534eb6655d8c83cf8424e88d7f904498eaa44188019e872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e3f0efc54d20e11534eb6655d8c83cf8424e88d7f904498eaa44188019e872", kill_on_drop: false }`
[INFO] [stdout] 44e3f0efc54d20e11534eb6655d8c83cf8424e88d7f904498eaa44188019e872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6781db92aded9647e926e7d8605501ce309271b0b4a8f6f53912c369fbe2687
[INFO] running `Command { std: "docker" "start" "-a" "a6781db92aded9647e926e7d8605501ce309271b0b4a8f6f53912c369fbe2687", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
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[INFO] [stderr]     Checking cubek-matmul v0.2.0-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "a6781db92aded9647e926e7d8605501ce309271b0b4a8f6f53912c369fbe2687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6781db92aded9647e926e7d8605501ce309271b0b4a8f6f53912c369fbe2687", kill_on_drop: false }`
[INFO] [stdout] a6781db92aded9647e926e7d8605501ce309271b0b4a8f6f53912c369fbe2687