[INFO] fetching crate specs-task 0.4.0...
[INFO] testing specs-task-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate specs-task 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate specs-task 0.4.0 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 specs-task 0.4.0
[INFO] finished tweaking crates.io crate specs-task 0.4.0
[INFO] tweaked toml for crates.io crate specs-task 0.4.0 written to /workspace/builds/worker-5/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded specs-derive v0.4.1
[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] 344ac0ba0e93931584902d4dc04a07ec7338cd23a4f7e42843dccd93e447e545
[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" "344ac0ba0e93931584902d4dc04a07ec7338cd23a4f7e42843dccd93e447e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "344ac0ba0e93931584902d4dc04a07ec7338cd23a4f7e42843dccd93e447e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344ac0ba0e93931584902d4dc04a07ec7338cd23a4f7e42843dccd93e447e545", kill_on_drop: false }`
[INFO] [stdout] 344ac0ba0e93931584902d4dc04a07ec7338cd23a4f7e42843dccd93e447e545
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18fa6ee6e16c80598250af8480597a9638737509a485c6382e3a1017a3e085c8
[INFO] running `Command { std: "docker" "start" "-a" "18fa6ee6e16c80598250af8480597a9638737509a485c6382e3a1017a3e085c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tynm v0.1.6
[INFO] [stderr]    Compiling shred-derive v0.6.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling shred v0.10.2
[INFO] [stderr]    Compiling specs v0.16.1
[INFO] [stderr]    Compiling specs-task v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.22s
[INFO] running `Command { std: "docker" "inspect" "18fa6ee6e16c80598250af8480597a9638737509a485c6382e3a1017a3e085c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fa6ee6e16c80598250af8480597a9638737509a485c6382e3a1017a3e085c8", kill_on_drop: false }`
[INFO] [stdout] 18fa6ee6e16c80598250af8480597a9638737509a485c6382e3a1017a3e085c8
[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] 1f10eaa6425084248fdc7015463a676dcb32f0c9ba3c1ac34b023d578ac3064a
[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" "1f10eaa6425084248fdc7015463a676dcb32f0c9ba3c1ac34b023d578ac3064a", kill_on_drop: false }`
[INFO] [stderr]    Compiling specs-task v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "1f10eaa6425084248fdc7015463a676dcb32f0c9ba3c1ac34b023d578ac3064a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f10eaa6425084248fdc7015463a676dcb32f0c9ba3c1ac34b023d578ac3064a", kill_on_drop: false }`
[INFO] [stdout] 1f10eaa6425084248fdc7015463a676dcb32f0c9ba3c1ac34b023d578ac3064a
[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] f05cc762307a71780aab45ff3d580a92bd3350b973e7b512ab91aade53e1a063
[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" "f05cc762307a71780aab45ff3d580a92bd3350b973e7b512ab91aade53e1a063", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/specs_task-f26038cdd45daebc
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cons::tests::accumulate_sequence_in_loop ... ok
[INFO] [stdout] test cons::tests::remove_all_nils_nested_fork ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_fork_three ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_many_nested ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_nested_fork ... ok
[INFO] [stdout] test cons::tests::remove_nil_from_left_fork ... ok
[INFO] [stdout] test tests::all_prongs_of_fork_run_before_join_and_deleted_on_completion ... ok
[INFO] [stdout] test tests::joined_tasks_run_in_order_and_deleted_on_completion ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_fork_two ... ok
[INFO] [stderr]    Doc-tests specs-task
[INFO] [stdout] test cons::tests::remove_nil_from_right_fork ... ok
[INFO] [stdout] test tests::single_task_deleted_on_completion ... ok
[INFO] [stdout] test tests::single_task_not_run_until_finalized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 115) ... ok
[INFO] [stdout] test src/lib.rs - (line 137) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f05cc762307a71780aab45ff3d580a92bd3350b973e7b512ab91aade53e1a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05cc762307a71780aab45ff3d580a92bd3350b973e7b512ab91aade53e1a063", kill_on_drop: false }`
[INFO] [stdout] f05cc762307a71780aab45ff3d580a92bd3350b973e7b512ab91aade53e1a063