[INFO] fetching crate axis-ticks 0.1.0...
[INFO] testing axis-ticks-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate axis-ticks 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate axis-ticks 0.1.0 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 axis-ticks 0.1.0
[INFO] finished tweaking crates.io crate axis-ticks 0.1.0
[INFO] tweaked toml for crates.io crate axis-ticks 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6202df03319ca04810668b417823c3430b93e8000c67dfad4307cf15b571c871
[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" "6202df03319ca04810668b417823c3430b93e8000c67dfad4307cf15b571c871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6202df03319ca04810668b417823c3430b93e8000c67dfad4307cf15b571c871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6202df03319ca04810668b417823c3430b93e8000c67dfad4307cf15b571c871", kill_on_drop: false }`
[INFO] [stdout] 6202df03319ca04810668b417823c3430b93e8000c67dfad4307cf15b571c871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c41ffaffcb45888a652497b2e7fe388854e06bd2cecb56a4c3dd410dd235cc7
[INFO] running `Command { std: "docker" "start" "-a" "2c41ffaffcb45888a652497b2e7fe388854e06bd2cecb56a4c3dd410dd235cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling axis-ticks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2c41ffaffcb45888a652497b2e7fe388854e06bd2cecb56a4c3dd410dd235cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c41ffaffcb45888a652497b2e7fe388854e06bd2cecb56a4c3dd410dd235cc7", kill_on_drop: false }`
[INFO] [stdout] 2c41ffaffcb45888a652497b2e7fe388854e06bd2cecb56a4c3dd410dd235cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] fb6d5766508d2186c6d10ebf836d2434beaff0e108ca5d3bd93e1d76aa19b291
[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" "fb6d5766508d2186c6d10ebf836d2434beaff0e108ca5d3bd93e1d76aa19b291", kill_on_drop: false }`
[INFO] [stderr]    Compiling axis-ticks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "fb6d5766508d2186c6d10ebf836d2434beaff0e108ca5d3bd93e1d76aa19b291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6d5766508d2186c6d10ebf836d2434beaff0e108ca5d3bd93e1d76aa19b291", kill_on_drop: false }`
[INFO] [stdout] fb6d5766508d2186c6d10ebf836d2434beaff0e108ca5d3bd93e1d76aa19b291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 66677eb7ae00cff4f1982baf2890a66ac82a91b7eec28b4b924d0f7de115eb9f
[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" "66677eb7ae00cff4f1982baf2890a66ac82a91b7eec28b4b924d0f7de115eb9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/axis_ticks-7c86b28a109c20b8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::returns_the_empty_vec_if_start_equal_stop ... ok
[INFO] [stdout] test tests::returns_the_empty_vec_if_count_is_not_positive ... ok
[INFO] [stdout] test tests::some_more_complex_tests ... ok
[INFO] [stdout] test tests::returns_empty_vec_if_any_argument_is_nan ... ok
[INFO] [stdout] test tests::returns_approximately_count_plus_1_ticks_when_start_less_than_stop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests axis-ticks
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66677eb7ae00cff4f1982baf2890a66ac82a91b7eec28b4b924d0f7de115eb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66677eb7ae00cff4f1982baf2890a66ac82a91b7eec28b4b924d0f7de115eb9f", kill_on_drop: false }`
[INFO] [stdout] 66677eb7ae00cff4f1982baf2890a66ac82a91b7eec28b4b924d0f7de115eb9f