[INFO] fetching crate abbreviator 0.1.3...
[INFO] testing abbreviator-0.1.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate abbreviator 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate abbreviator 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 933dbe42c127bb248e25ce1a0688563120e40de78cb407e6385ec408da10584c
[INFO] running `Command { std: "docker" "start" "-a" "933dbe42c127bb248e25ce1a0688563120e40de78cb407e6385ec408da10584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933dbe42c127bb248e25ce1a0688563120e40de78cb407e6385ec408da10584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933dbe42c127bb248e25ce1a0688563120e40de78cb407e6385ec408da10584c", kill_on_drop: false }`
[INFO] [stdout] 933dbe42c127bb248e25ce1a0688563120e40de78cb407e6385ec408da10584c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0701ea7c8cb9512042eec1b4dfbb2540ac3df2031c05fbb7e75c09e9666a269f
[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" "0701ea7c8cb9512042eec1b4dfbb2540ac3df2031c05fbb7e75c09e9666a269f", kill_on_drop: false }`
[INFO] [stderr]    Compiling abbreviator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "0701ea7c8cb9512042eec1b4dfbb2540ac3df2031c05fbb7e75c09e9666a269f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0701ea7c8cb9512042eec1b4dfbb2540ac3df2031c05fbb7e75c09e9666a269f", kill_on_drop: false }`
[INFO] [stdout] 0701ea7c8cb9512042eec1b4dfbb2540ac3df2031c05fbb7e75c09e9666a269f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c102236174e3a6c6e93960b36e2e201dea557dd19be24c1f2ea7dc7eb6687e
[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" "37c102236174e3a6c6e93960b36e2e201dea557dd19be24c1f2ea7dc7eb6687e", 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" "37c102236174e3a6c6e93960b36e2e201dea557dd19be24c1f2ea7dc7eb6687e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c102236174e3a6c6e93960b36e2e201dea557dd19be24c1f2ea7dc7eb6687e", kill_on_drop: false }`
[INFO] [stdout] 37c102236174e3a6c6e93960b36e2e201dea557dd19be24c1f2ea7dc7eb6687e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 166c15f32dcbeecec4589b2fe071eba077e3a1613c07ae34b2421932b9f379e1
[INFO] running `Command { std: "docker" "start" "-a" "166c15f32dcbeecec4589b2fe071eba077e3a1613c07ae34b2421932b9f379e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/abbreviator-b18eb48164c10571
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests abbreviator
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "166c15f32dcbeecec4589b2fe071eba077e3a1613c07ae34b2421932b9f379e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166c15f32dcbeecec4589b2fe071eba077e3a1613c07ae34b2421932b9f379e1", kill_on_drop: false }`
[INFO] [stdout] 166c15f32dcbeecec4589b2fe071eba077e3a1613c07ae34b2421932b9f379e1