[INFO] fetching crate apex 0.1.2...
[INFO] testing apex-0.1.2 against try#2b00690a2a9987274f9d399383a581d5df1bf5df for pr-85530-1
[INFO] extracting crate apex 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate apex 0.1.2 on toolchain 2b00690a2a9987274f9d399383a581d5df1bf5df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apex 0.1.2
[INFO] finished tweaking crates.io crate apex 0.1.2
[INFO] tweaked toml for crates.io crate apex 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87408868d87c9001ddec79b7a43cbb040ddf84357b46721ff863e9cb135e6382
[INFO] running `Command { std: "docker" "start" "-a" "87408868d87c9001ddec79b7a43cbb040ddf84357b46721ff863e9cb135e6382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87408868d87c9001ddec79b7a43cbb040ddf84357b46721ff863e9cb135e6382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87408868d87c9001ddec79b7a43cbb040ddf84357b46721ff863e9cb135e6382", kill_on_drop: false }`
[INFO] [stdout] 87408868d87c9001ddec79b7a43cbb040ddf84357b46721ff863e9cb135e6382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b7631412b2dabb789c1c97d3779ce21ac2d1258c82f731f4d15a6649c3897b
[INFO] running `Command { std: "docker" "start" "-a" "31b7631412b2dabb789c1c97d3779ce21ac2d1258c82f731f4d15a6649c3897b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling apex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[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 dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "31b7631412b2dabb789c1c97d3779ce21ac2d1258c82f731f4d15a6649c3897b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b7631412b2dabb789c1c97d3779ce21ac2d1258c82f731f4d15a6649c3897b", kill_on_drop: false }`
[INFO] [stdout] 31b7631412b2dabb789c1c97d3779ce21ac2d1258c82f731f4d15a6649c3897b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f8238efd0b274e8337466fbe3e4f47b10adf73115289842948e981dcd62381b
[INFO] running `Command { std: "docker" "start" "-a" "4f8238efd0b274e8337466fbe3e4f47b10adf73115289842948e981dcd62381b", kill_on_drop: false }`
[INFO] [stderr]    Compiling apex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[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] [stdout] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[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 0.96s
[INFO] running `Command { std: "docker" "inspect" "4f8238efd0b274e8337466fbe3e4f47b10adf73115289842948e981dcd62381b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8238efd0b274e8337466fbe3e4f47b10adf73115289842948e981dcd62381b", kill_on_drop: false }`
[INFO] [stdout] 4f8238efd0b274e8337466fbe3e4f47b10adf73115289842948e981dcd62381b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+2b00690a2a9987274f9d399383a581d5df1bf5df" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59f8672c747edd642740a85082d9d9a7328fb49c16390e5eb2b994a4f5b5f3cb
[INFO] running `Command { std: "docker" "start" "-a" "59f8672c747edd642740a85082d9d9a7328fb49c16390e5eb2b994a4f5b5f3cb", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/apex-5dc47e2e01cc4af3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::example1 ... ok
[INFO] [stdout] test tests::example2 ... ok
[INFO] [stdout] test tests::example3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests apex
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59f8672c747edd642740a85082d9d9a7328fb49c16390e5eb2b994a4f5b5f3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f8672c747edd642740a85082d9d9a7328fb49c16390e5eb2b994a4f5b5f3cb", kill_on_drop: false }`
[INFO] [stdout] 59f8672c747edd642740a85082d9d9a7328fb49c16390e5eb2b994a4f5b5f3cb