[INFO] fetching crate jatsl 0.2.0...
[INFO] testing jatsl-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate jatsl 0.2.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate jatsl 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jatsl 0.2.0
[INFO] finished tweaking crates.io crate jatsl 0.2.0
[INFO] tweaked toml for crates.io crate jatsl 0.2.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate jatsl 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 304e9724e4fa4971393e1fa09a7e79c1909eb7819b095a13690edb9f69335830
[INFO] running `Command { std: "docker" "start" "-a" "304e9724e4fa4971393e1fa09a7e79c1909eb7819b095a13690edb9f69335830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "304e9724e4fa4971393e1fa09a7e79c1909eb7819b095a13690edb9f69335830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304e9724e4fa4971393e1fa09a7e79c1909eb7819b095a13690edb9f69335830", kill_on_drop: false }`
[INFO] [stdout] 304e9724e4fa4971393e1fa09a7e79c1909eb7819b095a13690edb9f69335830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 700f9b9bd2e18891fd8ce2e3ca8dea46d420d0ae1077e9e03635ebfecfa25b1e
[INFO] running `Command { std: "docker" "start" "-a" "700f9b9bd2e18891fd8ce2e3ca8dea46d420d0ae1077e9e03635ebfecfa25b1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.7
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling jatsl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `Command { std: "docker" "inspect" "700f9b9bd2e18891fd8ce2e3ca8dea46d420d0ae1077e9e03635ebfecfa25b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700f9b9bd2e18891fd8ce2e3ca8dea46d420d0ae1077e9e03635ebfecfa25b1e", kill_on_drop: false }`
[INFO] [stdout] 700f9b9bd2e18891fd8ce2e3ca8dea46d420d0ae1077e9e03635ebfecfa25b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 512898c3eeb875c2d63d06162e97e508d2af67c61617e15ff4521197318b87ac
[INFO] running `Command { std: "docker" "start" "-a" "512898c3eeb875c2d63d06162e97e508d2af67c61617e15ff4521197318b87ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling jatsl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> examples/basic.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: &'static str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "512898c3eeb875c2d63d06162e97e508d2af67c61617e15ff4521197318b87ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512898c3eeb875c2d63d06162e97e508d2af67c61617e15ff4521197318b87ac", kill_on_drop: false }`
[INFO] [stdout] 512898c3eeb875c2d63d06162e97e508d2af67c61617e15ff4521197318b87ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3cbc157ebcb0ad42a7f2f9dcfa0d74760496d6422abf0552a9cf92714ea5b22
[INFO] running `Command { std: "docker" "start" "-a" "d3cbc157ebcb0ad42a7f2f9dcfa0d74760496d6422abf0552a9cf92714ea5b22", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> examples/basic.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     name: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jatsl` (example "basic") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jatsl-eb195d67442dfe09)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jatsl
[INFO] [stdout] running 2 tests
[INFO] [stdout] test backoff::tests::backoff_is_monotonically_increasing ... ok
[INFO] [stdout] test backoff::tests::backoff_is_not_constant ... 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 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" "d3cbc157ebcb0ad42a7f2f9dcfa0d74760496d6422abf0552a9cf92714ea5b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cbc157ebcb0ad42a7f2f9dcfa0d74760496d6422abf0552a9cf92714ea5b22", kill_on_drop: false }`
[INFO] [stdout] d3cbc157ebcb0ad42a7f2f9dcfa0d74760496d6422abf0552a9cf92714ea5b22