[INFO] fetching crate jackhammer 0.3.0...
[INFO] testing jackhammer-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate jackhammer 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jackhammer 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jackhammer 0.3.0
[INFO] finished tweaking crates.io crate jackhammer 0.3.0
[INFO] tweaked toml for crates.io crate jackhammer 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate jackhammer 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.70
[INFO] [stderr]   Downloaded tokio-stream v0.1.2
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded ordered-float v2.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.70
[INFO] [stderr]   Downloaded h2 v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.20
[INFO] [stderr]   Downloaded bumpalo v3.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.70
[INFO] [stderr]   Downloaded tokio-util v0.6.2
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] [stderr]   Downloaded js-sys v0.3.47
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded web-sys v0.3.47
[INFO] [stderr]   Downloaded exponential-decay-histogram v0.1.8
[INFO] [stderr]   Downloaded tokio v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.70
[INFO] [stderr]   Downloaded reqwest v0.11.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded metrix v0.13.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf23efffab9b3ce454ee5d66ef7ab98126d84047b9128f7fbc9762a21cb18d65
[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" "bf23efffab9b3ce454ee5d66ef7ab98126d84047b9128f7fbc9762a21cb18d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf23efffab9b3ce454ee5d66ef7ab98126d84047b9128f7fbc9762a21cb18d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf23efffab9b3ce454ee5d66ef7ab98126d84047b9128f7fbc9762a21cb18d65", kill_on_drop: false }`
[INFO] [stdout] bf23efffab9b3ce454ee5d66ef7ab98126d84047b9128f7fbc9762a21cb18d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 78a5ac9418d63cdf9974a352967fe7dbac3232260a4c8a478a283fa30652c298
[INFO] running `Command { std: "docker" "start" "-a" "78a5ac9418d63cdf9974a352967fe7dbac3232260a4c8a478a283fa30652c298", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling metrix v0.13.12
[INFO] [stderr]    Compiling jackhammer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.88s
[INFO] running `Command { std: "docker" "inspect" "78a5ac9418d63cdf9974a352967fe7dbac3232260a4c8a478a283fa30652c298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a5ac9418d63cdf9974a352967fe7dbac3232260a4c8a478a283fa30652c298", kill_on_drop: false }`
[INFO] [stdout] 78a5ac9418d63cdf9974a352967fe7dbac3232260a4c8a478a283fa30652c298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 7c01931ec1d13f213a5100316a588ea7142a4ec12d32ee59dee9bb59006722a6
[INFO] running `Command { std: "docker" "start" "-a" "7c01931ec1d13f213a5100316a588ea7142a4ec12d32ee59dee9bb59006722a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-stream v0.1.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.0
[INFO] [stderr]    Compiling jackhammer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "7c01931ec1d13f213a5100316a588ea7142a4ec12d32ee59dee9bb59006722a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c01931ec1d13f213a5100316a588ea7142a4ec12d32ee59dee9bb59006722a6", kill_on_drop: false }`
[INFO] [stdout] 7c01931ec1d13f213a5100316a588ea7142a4ec12d32ee59dee9bb59006722a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c4be81a9a8f2dcc5b0c68b90a427a7d5fa8d9fb8f362b4f37b9349ff7bf532d
[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" "6c4be81a9a8f2dcc5b0c68b90a427a7d5fa8d9fb8f362b4f37b9349ff7bf532d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jackhammer-2b0b0687246ff8a4)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests jackhammer
[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] [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" "6c4be81a9a8f2dcc5b0c68b90a427a7d5fa8d9fb8f362b4f37b9349ff7bf532d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4be81a9a8f2dcc5b0c68b90a427a7d5fa8d9fb8f362b4f37b9349ff7bf532d", kill_on_drop: false }`
[INFO] [stdout] 6c4be81a9a8f2dcc5b0c68b90a427a7d5fa8d9fb8f362b4f37b9349ff7bf532d