[INFO] fetching crate rc-dlist-deque 1.0.0...
[INFO] testing rc-dlist-deque-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rc-dlist-deque 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rc-dlist-deque 1.0.0 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 rc-dlist-deque 1.0.0
[INFO] finished tweaking crates.io crate rc-dlist-deque 1.0.0
[INFO] tweaked toml for crates.io crate rc-dlist-deque 1.0.0 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] 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0894d00b561b091bd552fa099af2beec7606f84aae971a17ca135c525ea74600
[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" "0894d00b561b091bd552fa099af2beec7606f84aae971a17ca135c525ea74600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0894d00b561b091bd552fa099af2beec7606f84aae971a17ca135c525ea74600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0894d00b561b091bd552fa099af2beec7606f84aae971a17ca135c525ea74600", kill_on_drop: false }`
[INFO] [stdout] 0894d00b561b091bd552fa099af2beec7606f84aae971a17ca135c525ea74600
[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: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] 5b9aed933418a4f6716762cf36215de8e6245a5707d4a7270feae73d123d2ee5
[INFO] running `Command { std: "docker" "start" "-a" "5b9aed933418a4f6716762cf36215de8e6245a5707d4a7270feae73d123d2ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-dlist-deque v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "5b9aed933418a4f6716762cf36215de8e6245a5707d4a7270feae73d123d2ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9aed933418a4f6716762cf36215de8e6245a5707d4a7270feae73d123d2ee5", kill_on_drop: false }`
[INFO] [stdout] 5b9aed933418a4f6716762cf36215de8e6245a5707d4a7270feae73d123d2ee5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcce1bae64ff913ffbc5ac5536af586690b4a4deb0b3c72f612cdd41aff525c
[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" "7fcce1bae64ff913ffbc5ac5536af586690b4a4deb0b3c72f612cdd41aff525c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-dlist-deque v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "7fcce1bae64ff913ffbc5ac5536af586690b4a4deb0b3c72f612cdd41aff525c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcce1bae64ff913ffbc5ac5536af586690b4a4deb0b3c72f612cdd41aff525c", kill_on_drop: false }`
[INFO] [stdout] 7fcce1bae64ff913ffbc5ac5536af586690b4a4deb0b3c72f612cdd41aff525c
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 1a8e9e3b7ebacca4acdef14abd1a401d228b96cff0e01865ffd6093c655de1f1
[INFO] running `Command { std: "docker" "start" "-a" "1a8e9e3b7ebacca4acdef14abd1a401d228b96cff0e01865ffd6093c655de1f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rc_dlist_deque-28ddb2e5d8fcb01c
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test dlist::test::construct_1 ... ok
[INFO] [stdout] test dlist::test::cursor ... ok
[INFO] [stdout] test dlist::test::push_at ... ok
[INFO] [stdout] test dlist::test::ptr_eq ... ok
[INFO] [stdout] test dlist::test::pop_at ... ok
[INFO] [stdout] test dlist::test::remove ... ok
[INFO] [stderr]    Doc-tests rc-dlist-deque
[INFO] [stdout] test dlist::test::iter ... ok
[INFO] [stdout] test dlist::test::insert ... ok
[INFO] [stdout] test dlist::test::first_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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" "1a8e9e3b7ebacca4acdef14abd1a401d228b96cff0e01865ffd6093c655de1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8e9e3b7ebacca4acdef14abd1a401d228b96cff0e01865ffd6093c655de1f1", kill_on_drop: false }`
[INFO] [stdout] 1a8e9e3b7ebacca4acdef14abd1a401d228b96cff0e01865ffd6093c655de1f1