[INFO] fetching crate halton 0.2.1...
[INFO] testing halton-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate halton 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate halton 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 982ab792e74e0adbac1b366607a218aac21196cd7fd6d7017c6bd6d7f35ca829
[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" "982ab792e74e0adbac1b366607a218aac21196cd7fd6d7017c6bd6d7f35ca829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "982ab792e74e0adbac1b366607a218aac21196cd7fd6d7017c6bd6d7f35ca829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982ab792e74e0adbac1b366607a218aac21196cd7fd6d7017c6bd6d7f35ca829", kill_on_drop: false }`
[INFO] [stdout] 982ab792e74e0adbac1b366607a218aac21196cd7fd6d7017c6bd6d7f35ca829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 9475c49dfe2cc7e008e492de7876eecb0801a39de824d775b71e96152eb43fa7
[INFO] running `Command { std: "docker" "start" "-a" "9475c49dfe2cc7e008e492de7876eecb0801a39de824d775b71e96152eb43fa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling halton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "9475c49dfe2cc7e008e492de7876eecb0801a39de824d775b71e96152eb43fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9475c49dfe2cc7e008e492de7876eecb0801a39de824d775b71e96152eb43fa7", kill_on_drop: false }`
[INFO] [stdout] 9475c49dfe2cc7e008e492de7876eecb0801a39de824d775b71e96152eb43fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 9b0d96a717d68e9e4ce7e351de38f687bbb6395641a1bd7c900fce70d81e662a
[INFO] running `Command { std: "docker" "start" "-a" "9b0d96a717d68e9e4ce7e351de38f687bbb6395641a1bd7c900fce70d81e662a", 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 4.46s
[INFO] running `Command { std: "docker" "inspect" "9b0d96a717d68e9e4ce7e351de38f687bbb6395641a1bd7c900fce70d81e662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0d96a717d68e9e4ce7e351de38f687bbb6395641a1bd7c900fce70d81e662a", kill_on_drop: false }`
[INFO] [stdout] 9b0d96a717d68e9e4ce7e351de38f687bbb6395641a1bd7c900fce70d81e662a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddf0f6cbfe994b66f8b7ec841ebb6f6f0a5fff237959bcdf120119587705d669
[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" "ddf0f6cbfe994b66f8b7ec841ebb6f6f0a5fff237959bcdf120119587705d669", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/halton-d5f3840dc258db7f)
[INFO] [stdout] test tests::sequence_base_3 ... ok
[INFO] [stdout] test tests::sequence_nth_last ... ok
[INFO] [stdout] test tests::sequence_skip_base_3 ... ok
[INFO] [stdout] test tests::sequence_skip_last ... ok
[INFO] [stdout] test tests::sequence_count ... ok
[INFO] [stdout] test tests::sequence_skip_base_2 ... ok
[INFO] [stdout] test tests::sequence_size_hint ... ok
[INFO] [stdout] test tests::number_base_2 ... ok
[INFO] [stdout] test tests::sequence_iter ... ok
[INFO] [stdout] test tests::sequence_base_2 ... ok
[INFO] [stdout] test tests::number_base_3 ... ok
[INFO] [stdout] test tests::sequence_last ... ok
[INFO] [stderr]    Doc-tests halton
[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 0.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Sequence (line 98) - compile ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - number (line 67) ... 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] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddf0f6cbfe994b66f8b7ec841ebb6f6f0a5fff237959bcdf120119587705d669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf0f6cbfe994b66f8b7ec841ebb6f6f0a5fff237959bcdf120119587705d669", kill_on_drop: false }`
[INFO] [stdout] ddf0f6cbfe994b66f8b7ec841ebb6f6f0a5fff237959bcdf120119587705d669