[INFO] fetching crate rangl 999999999.999999999.999999999...
[INFO] testing rangl-999999999.999999999.999999999 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rangl 999999999.999999999.999999999 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rangl 999999999.999999999.999999999 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rangl 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate rangl 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate rangl 999999999.999999999.999999999 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rangl 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13b587cf208aa4693613d196d742e22eebad0790c2b27a927e67c31e026b71ab
[INFO] running `Command { std: "docker" "start" "-a" "13b587cf208aa4693613d196d742e22eebad0790c2b27a927e67c31e026b71ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b587cf208aa4693613d196d742e22eebad0790c2b27a927e67c31e026b71ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b587cf208aa4693613d196d742e22eebad0790c2b27a927e67c31e026b71ab", kill_on_drop: false }`
[INFO] [stdout] 13b587cf208aa4693613d196d742e22eebad0790c2b27a927e67c31e026b71ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddafd2fef5371342f566d595ef407dbc2fa9a5cb879c9761217dec7d31f35d1a
[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" "ddafd2fef5371342f566d595ef407dbc2fa9a5cb879c9761217dec7d31f35d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rangl v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "ddafd2fef5371342f566d595ef407dbc2fa9a5cb879c9761217dec7d31f35d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddafd2fef5371342f566d595ef407dbc2fa9a5cb879c9761217dec7d31f35d1a", kill_on_drop: false }`
[INFO] [stdout] ddafd2fef5371342f566d595ef407dbc2fa9a5cb879c9761217dec7d31f35d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88ba1d8e1afda6342b08c8760674f455579b1e56eb49b206480fd122c7e16da2
[INFO] running `Command { std: "docker" "start" "-a" "88ba1d8e1afda6342b08c8760674f455579b1e56eb49b206480fd122c7e16da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rangl v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "88ba1d8e1afda6342b08c8760674f455579b1e56eb49b206480fd122c7e16da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ba1d8e1afda6342b08c8760674f455579b1e56eb49b206480fd122c7e16da2", kill_on_drop: false }`
[INFO] [stdout] 88ba1d8e1afda6342b08c8760674f455579b1e56eb49b206480fd122c7e16da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11274580934b97433e2df817450f3a83bd2d5e42ec8efa865e5ccbb74abcc55c
[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" "11274580934b97433e2df817450f3a83bd2d5e42ec8efa865e5ccbb74abcc55c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rangl-57dd5f4c8c2866a3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11274580934b97433e2df817450f3a83bd2d5e42ec8efa865e5ccbb74abcc55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11274580934b97433e2df817450f3a83bd2d5e42ec8efa865e5ccbb74abcc55c", kill_on_drop: false }`
[INFO] [stdout] 11274580934b97433e2df817450f3a83bd2d5e42ec8efa865e5ccbb74abcc55c