[INFO] fetching crate syngestures 0.1.0...
[INFO] testing syngestures-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate syngestures 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate syngestures 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-42/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f36b251d03ae1293f308eaf7ce765100d7fe097e83887bb1de269125ba761af3
[INFO] running `Command { std: "docker" "start" "-a" "f36b251d03ae1293f308eaf7ce765100d7fe097e83887bb1de269125ba761af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36b251d03ae1293f308eaf7ce765100d7fe097e83887bb1de269125ba761af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36b251d03ae1293f308eaf7ce765100d7fe097e83887bb1de269125ba761af3", kill_on_drop: false }`
[INFO] [stdout] f36b251d03ae1293f308eaf7ce765100d7fe097e83887bb1de269125ba761af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1948d2eea6ab1ec8511090ec330107fec3e8df0aaf8a9c1d5b5bbdb12374be
[INFO] running `Command { std: "docker" "start" "-a" "7a1948d2eea6ab1ec8511090ec330107fec3e8df0aaf8a9c1d5b5bbdb12374be", kill_on_drop: false }`
[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 serde_derive v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[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 24.89s
[INFO] running `Command { std: "docker" "inspect" "7a1948d2eea6ab1ec8511090ec330107fec3e8df0aaf8a9c1d5b5bbdb12374be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1948d2eea6ab1ec8511090ec330107fec3e8df0aaf8a9c1d5b5bbdb12374be", kill_on_drop: false }`
[INFO] [stdout] 7a1948d2eea6ab1ec8511090ec330107fec3e8df0aaf8a9c1d5b5bbdb12374be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9849d3d1aa759e924b7226c4a6d4d3e8ab3911d3f8acbac57f21bf165e543a9d
[INFO] running `Command { std: "docker" "start" "-a" "9849d3d1aa759e924b7226c4a6d4d3e8ab3911d3f8acbac57f21bf165e543a9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.26s
[INFO] running `Command { std: "docker" "inspect" "9849d3d1aa759e924b7226c4a6d4d3e8ab3911d3f8acbac57f21bf165e543a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9849d3d1aa759e924b7226c4a6d4d3e8ab3911d3f8acbac57f21bf165e543a9d", kill_on_drop: false }`
[INFO] [stdout] 9849d3d1aa759e924b7226c4a6d4d3e8ab3911d3f8acbac57f21bf165e543a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 486c888aaf3c9b04d3c5a1e72237a16d64324907bb136a6e8ee54f1bf568738d
[INFO] running `Command { std: "docker" "start" "-a" "486c888aaf3c9b04d3c5a1e72237a16d64324907bb136a6e8ee54f1bf568738d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syngestures-e30ad9128e22e0ee)
[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" "486c888aaf3c9b04d3c5a1e72237a16d64324907bb136a6e8ee54f1bf568738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486c888aaf3c9b04d3c5a1e72237a16d64324907bb136a6e8ee54f1bf568738d", kill_on_drop: false }`
[INFO] [stdout] 486c888aaf3c9b04d3c5a1e72237a16d64324907bb136a6e8ee54f1bf568738d