[INFO] fetching crate rhymuproc 1.1.2...
[INFO] testing rhymuproc-1.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate rhymuproc 1.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rhymuproc 1.1.2
[INFO] finished tweaking crates.io crate rhymuproc 1.1.2
[INFO] tweaked toml for crates.io crate rhymuproc 1.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rhymuproc 1.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rhymuproc 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609
[INFO] running `Command { std: "docker" "start" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling rhymuproc v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `proc_fdinfo` is never constructed
[INFO] [stdout]   --> bin/mock_subprocess.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct proc_fdinfo {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rhymuproc v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `proc_fdinfo` is never constructed
[INFO] [stdout]   --> bin/mock_subprocess.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct proc_fdinfo {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: struct `proc_fdinfo` is never constructed
[INFO] [stderr]   --> bin/mock_subprocess.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct proc_fdinfo {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rhymuproc` (bin "mock_subprocess" test) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/rhymuproc-a11c7bc4c6628c06)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::find_self_by_tcp_server_port ... ok
[INFO] [stdout] test tests::find_self_by_image_path ... ok
[INFO] [stdout] test tests::detached ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::detached stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::detached' (283) panicked at src/lib.rs:184:9:
[INFO] [stdout] assertion `left != right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x581897102081 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5818971166ca - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5818971067ec - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5818970dc696 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5818970f9759 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5818970944b0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5818970f9912 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5818970dc742 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5818970d5179 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5818970dd33d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x581897116dfc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x581897116d13 - core[df12db4294e9bfd3]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x581897113538 - core[df12db4294e9bfd3]::panicking::assert_failed::<usize, usize>
[INFO] [stdout]   13:     0x5818970864ba - rhymuproc[6d40d55dcb9a8a3a]::tests::detached
[INFO] [stdout]   14:     0x581897081559 - <rhymuproc[6d40d55dcb9a8a3a]::tests::detached::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   15:     0x58189708779b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   16:     0x581897094e05 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   17:     0x58189708e6c4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   18:     0x581897097f62 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   19:     0x581897101399 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   20:     0x7aecb4bb3dfa - <unknown>
[INFO] [stdout]   21:     0x7aecb4c473d4 - clone
[INFO] [stdout]   22:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::detached
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609", kill_on_drop: false }`
[INFO] [stdout] 5805a23ade12aee19dbd87514924472fb8ae3727b51ffc308aa8192f71eea609
