[INFO] fetching crate abbreviator 0.1.3...
[INFO] testing abbreviator-0.1.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate abbreviator 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate abbreviator 0.1.3 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 abbreviator 0.1.3
[INFO] finished tweaking crates.io crate abbreviator 0.1.3
[INFO] tweaked toml for crates.io crate abbreviator 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] c24c478559cd6ef3257e2172723afe17f25853a32c0c8075754bf66f84e0beaf
[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" "c24c478559cd6ef3257e2172723afe17f25853a32c0c8075754bf66f84e0beaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24c478559cd6ef3257e2172723afe17f25853a32c0c8075754bf66f84e0beaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24c478559cd6ef3257e2172723afe17f25853a32c0c8075754bf66f84e0beaf", kill_on_drop: false }`
[INFO] [stdout] c24c478559cd6ef3257e2172723afe17f25853a32c0c8075754bf66f84e0beaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d53ecc6267616887285349a5dd70f2621fad22f66601f4a5dcb80f2207b47102
[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" "d53ecc6267616887285349a5dd70f2621fad22f66601f4a5dcb80f2207b47102", kill_on_drop: false }`
[INFO] [stderr]    Compiling abbreviator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d53ecc6267616887285349a5dd70f2621fad22f66601f4a5dcb80f2207b47102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53ecc6267616887285349a5dd70f2621fad22f66601f4a5dcb80f2207b47102", kill_on_drop: false }`
[INFO] [stdout] d53ecc6267616887285349a5dd70f2621fad22f66601f4a5dcb80f2207b47102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d498b8eb5f941367eaef7ab8294e56bcd2c7d0b5dbb9bbff1c0ca7dc1c2088bd
[INFO] running `Command { std: "docker" "start" "-a" "d498b8eb5f941367eaef7ab8294e56bcd2c7d0b5dbb9bbff1c0ca7dc1c2088bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling abbreviator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "d498b8eb5f941367eaef7ab8294e56bcd2c7d0b5dbb9bbff1c0ca7dc1c2088bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d498b8eb5f941367eaef7ab8294e56bcd2c7d0b5dbb9bbff1c0ca7dc1c2088bd", kill_on_drop: false }`
[INFO] [stdout] d498b8eb5f941367eaef7ab8294e56bcd2c7d0b5dbb9bbff1c0ca7dc1c2088bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b1fefb7796a77b3c4858ea5bfa0ba5429d058e43a3d02e05f1e7c38f11465ae0
[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" "b1fefb7796a77b3c4858ea5bfa0ba5429d058e43a3d02e05f1e7c38f11465ae0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/abbreviator-fb810d7374e3f00a
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests abbreviator
[INFO] [stdout] test tests::test_get_last_letter ... ok
[INFO] [stdout] test tests::test_abbreviate ... ok
[INFO] [stdout] test tests::test_get_first_letter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "b1fefb7796a77b3c4858ea5bfa0ba5429d058e43a3d02e05f1e7c38f11465ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fefb7796a77b3c4858ea5bfa0ba5429d058e43a3d02e05f1e7c38f11465ae0", kill_on_drop: false }`
[INFO] [stdout] b1fefb7796a77b3c4858ea5bfa0ba5429d058e43a3d02e05f1e7c38f11465ae0