[INFO] fetching crate prgrs 0.6.4...
[INFO] testing prgrs-0.6.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate prgrs 0.6.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate prgrs 0.6.4 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 prgrs 0.6.4
[INFO] finished tweaking crates.io crate prgrs 0.6.4
[INFO] tweaked toml for crates.io crate prgrs 0.6.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate prgrs 0.6.4 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0235988f2f9580be7b807f7f9da6bf416835131fe3b46293afd5d9b2da320f9
[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" "e0235988f2f9580be7b807f7f9da6bf416835131fe3b46293afd5d9b2da320f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0235988f2f9580be7b807f7f9da6bf416835131fe3b46293afd5d9b2da320f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0235988f2f9580be7b807f7f9da6bf416835131fe3b46293afd5d9b2da320f9", kill_on_drop: false }`
[INFO] [stdout] e0235988f2f9580be7b807f7f9da6bf416835131fe3b46293afd5d9b2da320f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8906faf61d98e5975841313b4bb0bf9d1be6ed80450354bda5d093ab3a4ee2c4
[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" "8906faf61d98e5975841313b4bb0bf9d1be6ed80450354bda5d093ab3a4ee2c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling prgrs v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "8906faf61d98e5975841313b4bb0bf9d1be6ed80450354bda5d093ab3a4ee2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8906faf61d98e5975841313b4bb0bf9d1be6ed80450354bda5d093ab3a4ee2c4", kill_on_drop: false }`
[INFO] [stdout] 8906faf61d98e5975841313b4bb0bf9d1be6ed80450354bda5d093ab3a4ee2c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de186c785ae9e6f52b25773cb71d5a170e7827bd2be6ffdbc3a1ea67c42e607
[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" "0de186c785ae9e6f52b25773cb71d5a170e7827bd2be6ffdbc3a1ea67c42e607", kill_on_drop: false }`
[INFO] [stderr]    Compiling prgrs v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "0de186c785ae9e6f52b25773cb71d5a170e7827bd2be6ffdbc3a1ea67c42e607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de186c785ae9e6f52b25773cb71d5a170e7827bd2be6ffdbc3a1ea67c42e607", kill_on_drop: false }`
[INFO] [stdout] 0de186c785ae9e6f52b25773cb71d5a170e7827bd2be6ffdbc3a1ea67c42e607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e6df1f2b9c92bbec83cd915b5dc4dbbc5d13250e2f180a61860c1e142b5a64b
[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" "9e6df1f2b9c92bbec83cd915b5dc4dbbc5d13250e2f180a61860c1e142b5a64b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prgrs-fe252ec35f0c0c51
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_prgrs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prgrs
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Prgrs<T>::set_length (line 80) ... ok
[INFO] [stdout] test src/lib.rs - writeln (line 198) ... ok
[INFO] [stdout] test src/lib.rs - Prgrs<T>::set_length_move (line 102) ... ok
[INFO] [stdout] test src/lib.rs - Prgrs<T>::new (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Prgrs<T>::set_length (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e6df1f2b9c92bbec83cd915b5dc4dbbc5d13250e2f180a61860c1e142b5a64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6df1f2b9c92bbec83cd915b5dc4dbbc5d13250e2f180a61860c1e142b5a64b", kill_on_drop: false }`
[INFO] [stdout] 9e6df1f2b9c92bbec83cd915b5dc4dbbc5d13250e2f180a61860c1e142b5a64b