[INFO] fetching crate fibers 0.1.13...
[INFO] testing fibers-0.1.13 against 1.60.0 for beta-1.61-1
[INFO] extracting crate fibers 0.1.13 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate fibers 0.1.13 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 fibers 0.1.13
[INFO] finished tweaking crates.io crate fibers 0.1.13
[INFO] tweaked toml for crates.io crate fibers 0.1.13 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate fibers 0.1.13 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded handy_async v0.2.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2baf67f82120e1431af4134e6d2666a97fee88e7fbfd758b108baf2620e4c18f
[INFO] running `Command { std: "docker" "start" "-a" "2baf67f82120e1431af4134e6d2666a97fee88e7fbfd758b108baf2620e4c18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2baf67f82120e1431af4134e6d2666a97fee88e7fbfd758b108baf2620e4c18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2baf67f82120e1431af4134e6d2666a97fee88e7fbfd758b108baf2620e4c18f", kill_on_drop: false }`
[INFO] [stdout] 2baf67f82120e1431af4134e6d2666a97fee88e7fbfd758b108baf2620e4c18f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9069ec5b79fcd4eff7806f531eac7f86f299f76323c91afaa827a5c2c92ef7a1
[INFO] running `Command { std: "docker" "start" "-a" "9069ec5b79fcd4eff7806f531eac7f86f299f76323c91afaa827a5c2c92ef7a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling fibers v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `pollers`
[INFO] [stdout]   --> src/executor/thread_pool.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pollers: PollerPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ThreadPoolExecutor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/executor/thread_pool.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `links`
[INFO] [stdout]    --> src/executor/thread_pool.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     links: Vec<Link<(), io::Error>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `PollerPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/executor/thread_pool.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "9069ec5b79fcd4eff7806f531eac7f86f299f76323c91afaa827a5c2c92ef7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9069ec5b79fcd4eff7806f531eac7f86f299f76323c91afaa827a5c2c92ef7a1", kill_on_drop: false }`
[INFO] [stdout] 9069ec5b79fcd4eff7806f531eac7f86f299f76323c91afaa827a5c2c92ef7a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2807e1717276d83b5aa9cdca8946812d16d879fc0b668edb4642c491052a2c63
[INFO] running `Command { std: "docker" "start" "-a" "2807e1717276d83b5aa9cdca8946812d16d879fc0b668edb4642c491052a2c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling handy_async v0.2.13
[INFO] [stdout] warning: field is never read: `pollers`
[INFO] [stdout]   --> src/executor/thread_pool.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pollers: PollerPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ThreadPoolExecutor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/executor/thread_pool.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `links`
[INFO] [stdout]    --> src/executor/thread_pool.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     links: Vec<Link<(), io::Error>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `PollerPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/executor/thread_pool.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling fibers v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `pollers`
[INFO] [stdout]   --> src/executor/thread_pool.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pollers: PollerPool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ThreadPoolExecutor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/executor/thread_pool.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `links`
[INFO] [stdout]    --> src/executor/thread_pool.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     links: Vec<Link<(), io::Error>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `PollerPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/executor/thread_pool.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "2807e1717276d83b5aa9cdca8946812d16d879fc0b668edb4642c491052a2c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2807e1717276d83b5aa9cdca8946812d16d879fc0b668edb4642c491052a2c63", kill_on_drop: false }`
[INFO] [stdout] 2807e1717276d83b5aa9cdca8946812d16d879fc0b668edb4642c491052a2c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbc92fb87c4fbb9144199065351eac7f6cff3ff10bb6fb5d3538c99777055508
[INFO] running `Command { std: "docker" "start" "-a" "bbc92fb87c4fbb9144199065351eac7f6cff3ff10bb6fb5d3538c99777055508", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `pollers`
[INFO] [stderr]   --> src/executor/thread_pool.rs:48:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 4 tests
[INFO] [stderr] 48 |     pollers: PollerPool,
[INFO] [stdout] test collections::test::it_works ... ok
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test sync_atomic::test::it_works ... ok
[INFO] [stderr]    |
[INFO] [stdout] test time::timer::test::it_works ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test time::timer::test::timeout_after_works ... ok
[INFO] [stderr] note: `ThreadPoolExecutor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stderr]   --> src/executor/thread_pool.rs:45:10
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 45 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `links`
[INFO] [stderr]    --> src/executor/thread_pool.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     links: Vec<Link<(), io::Error>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `PollerPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/executor/thread_pool.rs:141:10
[INFO] [stderr]     |
[INFO] [stderr] 141 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `fibers` (lib) generated 2 warnings
[INFO] [stderr] warning: `fibers` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fibers-3ddce84b644a0245)
[INFO] [stderr]    Doc-tests fibers
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - (line 113) - compile ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::MonitorError<E>::unwrap_or (line 306) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::MonitorError<E>::map (line 281) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::monitor (line 190) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::monitor (line 155) ... ok
[INFO] [stdout] test src/net/tcp.rs - net::tcp::TcpStream (line 216) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::channel (line 30) ... ok
[INFO] [stdout] test src/fiber/schedule.rs - fiber::schedule::yield_poll (line 260) ... ok
[INFO] [stdout] test src/fiber/mod.rs - fiber::Spawn::spawn_link (line 73) ... ok
[INFO] [stdout] test src/sync/mpsc.rs - sync::mpsc (line 14) ... ok
[INFO] [stdout] test src/sync/mpsc.rs - sync::mpsc::channel (line 76) ... ok
[INFO] [stdout] test src/net/udp.rs - net::udp::UdpSocket (line 19) ... ok
[INFO] [stdout] test src/net/tcp.rs - net::tcp::TcpListener (line 22) ... ok
[INFO] [stdout] test src/executor/in_place.rs - executor::in_place::InPlaceExecutor (line 18) ... ok
[INFO] [stdout] test src/executor/thread_pool.rs - executor::thread_pool::ThreadPoolExecutor (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbc92fb87c4fbb9144199065351eac7f6cff3ff10bb6fb5d3538c99777055508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc92fb87c4fbb9144199065351eac7f6cff3ff10bb6fb5d3538c99777055508", kill_on_drop: false }`
[INFO] [stdout] bbc92fb87c4fbb9144199065351eac7f6cff3ff10bb6fb5d3538c99777055508