[INFO] fetching crate halton 0.2.1...
[INFO] testing halton-0.2.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate halton 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate halton 0.2.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate halton 0.2.1
[INFO] finished tweaking crates.io crate halton 0.2.1
[INFO] tweaked toml for crates.io crate halton 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate halton 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d11c204a90ba1347cf71ce8a44c19d761b1072f7ced72030e9406274a37dab
[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" "91d11c204a90ba1347cf71ce8a44c19d761b1072f7ced72030e9406274a37dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d11c204a90ba1347cf71ce8a44c19d761b1072f7ced72030e9406274a37dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d11c204a90ba1347cf71ce8a44c19d761b1072f7ced72030e9406274a37dab", kill_on_drop: false }`
[INFO] [stdout] 91d11c204a90ba1347cf71ce8a44c19d761b1072f7ced72030e9406274a37dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0133d8c911eba316615a199e7105c3c547f78847d3fb8f6f2385525eb1cc8d2b
[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" "0133d8c911eba316615a199e7105c3c547f78847d3fb8f6f2385525eb1cc8d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling halton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0133d8c911eba316615a199e7105c3c547f78847d3fb8f6f2385525eb1cc8d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0133d8c911eba316615a199e7105c3c547f78847d3fb8f6f2385525eb1cc8d2b", kill_on_drop: false }`
[INFO] [stdout] 0133d8c911eba316615a199e7105c3c547f78847d3fb8f6f2385525eb1cc8d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d7c2a6d0e7f3b449026f054b0105f3b1a10271ce14f4bd4715272bc7f1a8307
[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" "3d7c2a6d0e7f3b449026f054b0105f3b1a10271ce14f4bd4715272bc7f1a8307", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling halton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "3d7c2a6d0e7f3b449026f054b0105f3b1a10271ce14f4bd4715272bc7f1a8307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7c2a6d0e7f3b449026f054b0105f3b1a10271ce14f4bd4715272bc7f1a8307", kill_on_drop: false }`
[INFO] [stdout] 3d7c2a6d0e7f3b449026f054b0105f3b1a10271ce14f4bd4715272bc7f1a8307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 2de7a15d645814f21af0ee8e2e82bda5f04ad20e9f33fd7f43c107b73e4994de
[INFO] running `Command { std: "docker" "start" "-a" "2de7a15d645814f21af0ee8e2e82bda5f04ad20e9f33fd7f43c107b73e4994de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/halton-269fdfbdceb63b8a)
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::number_base_2 ... ok
[INFO] [stdout] test tests::sequence_base_3 ... ok
[INFO] [stdout] test tests::sequence_base_2 ... ok
[INFO] [stdout] test tests::sequence_count ... ok
[INFO] [stdout] test tests::sequence_size_hint ... ok
[INFO] [stdout] test tests::sequence_skip_last ... ok
[INFO] [stdout] test tests::sequence_skip_base_3 ... ok
[INFO] [stdout] test tests::number_base_3 ... ok
[INFO] [stdout] test tests::sequence_iter ... ok
[INFO] [stdout] test tests::sequence_nth_last ... ok
[INFO] [stdout] test tests::sequence_last ... ok
[INFO] [stdout] test tests::sequence_skip_base_2 ... ok
[INFO] [stdout] test tests::sequence_iteratate_to_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests halton
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Sequence (line 98) ... ok
[INFO] [stdout] test src/lib.rs - number (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 120) ... ok
[INFO] [stdout] test src/lib.rs - Sequence::new (line 142) ... ok
[INFO] [stdout] test src/lib.rs - number (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2de7a15d645814f21af0ee8e2e82bda5f04ad20e9f33fd7f43c107b73e4994de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de7a15d645814f21af0ee8e2e82bda5f04ad20e9f33fd7f43c107b73e4994de", kill_on_drop: false }`
[INFO] [stdout] 2de7a15d645814f21af0ee8e2e82bda5f04ad20e9f33fd7f43c107b73e4994de