[INFO] fetching crate penguin 0.1.3...
[INFO] testing penguin-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate penguin 0.1.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate penguin 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate penguin 0.1.3
[INFO] finished tweaking crates.io crate penguin 0.1.3
[INFO] tweaked toml for crates.io crate penguin 0.1.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate penguin 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cad7086467f0d8e833d4e19392e2be4742f1508696b6b9bbc79a95d991b4948
[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" "5cad7086467f0d8e833d4e19392e2be4742f1508696b6b9bbc79a95d991b4948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cad7086467f0d8e833d4e19392e2be4742f1508696b6b9bbc79a95d991b4948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cad7086467f0d8e833d4e19392e2be4742f1508696b6b9bbc79a95d991b4948", kill_on_drop: false }`
[INFO] [stdout] 5cad7086467f0d8e833d4e19392e2be4742f1508696b6b9bbc79a95d991b4948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912f0e2259221256d22622ee193ba13df1936b38032071c3eca039d98d0b3fc3
[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" "912f0e2259221256d22622ee193ba13df1936b38032071c3eca039d98d0b3fc3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling penguin v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-tungstenite v0.14.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.10
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling hyper-tungstenite v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.94s
[INFO] running `Command { std: "docker" "inspect" "912f0e2259221256d22622ee193ba13df1936b38032071c3eca039d98d0b3fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912f0e2259221256d22622ee193ba13df1936b38032071c3eca039d98d0b3fc3", kill_on_drop: false }`
[INFO] [stdout] 912f0e2259221256d22622ee193ba13df1936b38032071c3eca039d98d0b3fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] b06359ef12e043e4cdab5bc00a4a5088e3c85c5f338fdecb8fac7592e01589de
[INFO] running `Command { std: "docker" "start" "-a" "b06359ef12e043e4cdab5bc00a4a5088e3c85c5f338fdecb8fac7592e01589de", kill_on_drop: false }`
[INFO] [stderr]    Compiling penguin v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "b06359ef12e043e4cdab5bc00a4a5088e3c85c5f338fdecb8fac7592e01589de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06359ef12e043e4cdab5bc00a4a5088e3c85c5f338fdecb8fac7592e01589de", kill_on_drop: false }`
[INFO] [stdout] b06359ef12e043e4cdab5bc00a4a5088e3c85c5f338fdecb8fac7592e01589de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 997717006faf74801fd8f2962e46ac7d3910dfc318517c09467878dd84736feb
[INFO] running `Command { std: "docker" "start" "-a" "997717006faf74801fd8f2962e46ac7d3910dfc318517c09467878dd84736feb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/penguin-ba2a2e8ff6657f1b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-4a4e612c87e362fa)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::parse_proxy_target ... ok
[INFO] [stdout] test tests::parse_proxy_target_bad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests penguin
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "997717006faf74801fd8f2962e46ac7d3910dfc318517c09467878dd84736feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997717006faf74801fd8f2962e46ac7d3910dfc318517c09467878dd84736feb", kill_on_drop: false }`
[INFO] [stdout] 997717006faf74801fd8f2962e46ac7d3910dfc318517c09467878dd84736feb