[INFO] fetching crate sequence 0.0.2...
[INFO] testing sequence-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sequence 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sequence 0.0.2 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 sequence 0.0.2
[INFO] finished tweaking crates.io crate sequence 0.0.2
[INFO] tweaked toml for crates.io crate sequence 0.0.2 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d33fca2116eab13344f928167c4a6f8069c39dae6452db8654bf0748ddeda8
[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" "43d33fca2116eab13344f928167c4a6f8069c39dae6452db8654bf0748ddeda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d33fca2116eab13344f928167c4a6f8069c39dae6452db8654bf0748ddeda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d33fca2116eab13344f928167c4a6f8069c39dae6452db8654bf0748ddeda8", kill_on_drop: false }`
[INFO] [stdout] 43d33fca2116eab13344f928167c4a6f8069c39dae6452db8654bf0748ddeda8
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 630f47b1d0ec9dd5a2a8273662d3e5e1f906a481acc13f10e804cd67dbcb57a1
[INFO] running `Command { std: "docker" "start" "-a" "630f47b1d0ec9dd5a2a8273662d3e5e1f906a481acc13f10e804cd67dbcb57a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sequence v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `all`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use all;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `even`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use even;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `odd`
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use odd;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "630f47b1d0ec9dd5a2a8273662d3e5e1f906a481acc13f10e804cd67dbcb57a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630f47b1d0ec9dd5a2a8273662d3e5e1f906a481acc13f10e804cd67dbcb57a1", kill_on_drop: false }`
[INFO] [stdout] 630f47b1d0ec9dd5a2a8273662d3e5e1f906a481acc13f10e804cd67dbcb57a1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a360e63953a8393b4ec6d78354736629a2f27ca71b148c2a11b3aea6518c97d0
[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" "a360e63953a8393b4ec6d78354736629a2f27ca71b148c2a11b3aea6518c97d0", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `all`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use all;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sequence v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `even`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use even;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `odd`
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use odd;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "a360e63953a8393b4ec6d78354736629a2f27ca71b148c2a11b3aea6518c97d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a360e63953a8393b4ec6d78354736629a2f27ca71b148c2a11b3aea6518c97d0", kill_on_drop: false }`
[INFO] [stdout] a360e63953a8393b4ec6d78354736629a2f27ca71b148c2a11b3aea6518c97d0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fab49d018c127e4ae8295adcba1e41306881811a8e2afefd40e6e9b996ce56be
[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" "fab49d018c127e4ae8295adcba1e41306881811a8e2afefd40e6e9b996ce56be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `all`
[INFO] [stderr]  --> src/tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use all;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `even`
[INFO] [stderr]  --> src/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use even;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `odd`
[INFO] [stderr]  --> src/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use odd;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sequence-76d9f98744a31d82
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::odd_test ... ok
[INFO] [stderr]    Doc-tests sequence
[INFO] [stdout] test tests::even_test ... ok
[INFO] [stdout] test tests::simple_test ... 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" "fab49d018c127e4ae8295adcba1e41306881811a8e2afefd40e6e9b996ce56be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab49d018c127e4ae8295adcba1e41306881811a8e2afefd40e6e9b996ce56be", kill_on_drop: false }`
[INFO] [stdout] fab49d018c127e4ae8295adcba1e41306881811a8e2afefd40e6e9b996ce56be