[INFO] fetching crate syngestures 0.1.0...
[INFO] testing syngestures-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate syngestures 0.1.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate syngestures 0.1.0 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 syngestures 0.1.0
[INFO] finished tweaking crates.io crate syngestures 0.1.0
[INFO] tweaked toml for crates.io crate syngestures 0.1.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate syngestures 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 3862ac26e9f310ff6956bfe30d9e229602d750c380b97bcaba4372bb7eb5b172
[INFO] running `Command { std: "docker" "start" "-a" "3862ac26e9f310ff6956bfe30d9e229602d750c380b97bcaba4372bb7eb5b172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3862ac26e9f310ff6956bfe30d9e229602d750c380b97bcaba4372bb7eb5b172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3862ac26e9f310ff6956bfe30d9e229602d750c380b97bcaba4372bb7eb5b172", kill_on_drop: false }`
[INFO] [stdout] 3862ac26e9f310ff6956bfe30d9e229602d750c380b97bcaba4372bb7eb5b172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 20b8bed0fa6c7fbc728c41c2e520e0a94a1be237ced5676fd298e04a8a1f4c8f
[INFO] running `Command { std: "docker" "start" "-a" "20b8bed0fa6c7fbc728c41c2e520e0a94a1be237ced5676fd298e04a8a1f4c8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling syngestures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tool_id`
[INFO] [stdout]    --> src/events.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub tool_id: Option<i32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_ts`
[INFO] [stdout]    --> src/events.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub last_ts: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.71s
[INFO] running `Command { std: "docker" "inspect" "20b8bed0fa6c7fbc728c41c2e520e0a94a1be237ced5676fd298e04a8a1f4c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b8bed0fa6c7fbc728c41c2e520e0a94a1be237ced5676fd298e04a8a1f4c8f", kill_on_drop: false }`
[INFO] [stdout] 20b8bed0fa6c7fbc728c41c2e520e0a94a1be237ced5676fd298e04a8a1f4c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] e450407b79ac03ebda77cbdf8b796b0dc89e29b25c159dd5b24305f2046204a4
[INFO] running `Command { std: "docker" "start" "-a" "e450407b79ac03ebda77cbdf8b796b0dc89e29b25c159dd5b24305f2046204a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syngestures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tool_id`
[INFO] [stdout]    --> src/events.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub tool_id: Option<i32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_ts`
[INFO] [stdout]    --> src/events.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub last_ts: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "e450407b79ac03ebda77cbdf8b796b0dc89e29b25c159dd5b24305f2046204a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e450407b79ac03ebda77cbdf8b796b0dc89e29b25c159dd5b24305f2046204a4", kill_on_drop: false }`
[INFO] [stdout] e450407b79ac03ebda77cbdf8b796b0dc89e29b25c159dd5b24305f2046204a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 1c3112be0ed5c939f6328da1bd6cb2d623abe4664e92238ce23b2f886f7912c7
[INFO] running `Command { std: "docker" "start" "-a" "1c3112be0ed5c939f6328da1bd6cb2d623abe4664e92238ce23b2f886f7912c7", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `tool_id`
[INFO] [stderr]    --> src/events.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub tool_id: Option<i32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_ts`
[INFO] [stderr]    --> src/events.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     pub last_ts: f64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `syngestures` (bin "syngestures" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syngestures-a52620fb16db018a)
[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" "1c3112be0ed5c939f6328da1bd6cb2d623abe4664e92238ce23b2f886f7912c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3112be0ed5c939f6328da1bd6cb2d623abe4664e92238ce23b2f886f7912c7", kill_on_drop: false }`
[INFO] [stdout] 1c3112be0ed5c939f6328da1bd6cb2d623abe4664e92238ce23b2f886f7912c7