[INFO] fetching crate shared_child 1.1.1...
[INFO] testing shared_child-1.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate shared_child 1.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate shared_child 1.1.1
[INFO] finished tweaking crates.io crate shared_child 1.1.1
[INFO] tweaked toml for crates.io crate shared_child 1.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shared_child 1.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shared_child 1.1.1 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.53.2
[INFO] [stderr]   Downloaded os_pipe v1.2.2
[INFO] [stderr]   Downloaded sigchld v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5e7c81896b97d03e7d27a29359126d43f508de2dddb6a451ecc712883e2f3c
[INFO] running `Command { std: "docker" "start" "-a" "1a5e7c81896b97d03e7d27a29359126d43f508de2dddb6a451ecc712883e2f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5e7c81896b97d03e7d27a29359126d43f508de2dddb6a451ecc712883e2f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5e7c81896b97d03e7d27a29359126d43f508de2dddb6a451ecc712883e2f3c", kill_on_drop: false }`
[INFO] [stdout] 1a5e7c81896b97d03e7d27a29359126d43f508de2dddb6a451ecc712883e2f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2ef0ca8c10a4c2b332362f0adafe31c1d3ea1b46b892e2ae3dcc3ae60cae9c
[INFO] running `Command { std: "docker" "start" "-a" "fd2ef0ca8c10a4c2b332362f0adafe31c1d3ea1b46b892e2ae3dcc3ae60cae9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling sigchld v0.2.3
[INFO] [stderr]    Compiling shared_child v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "fd2ef0ca8c10a4c2b332362f0adafe31c1d3ea1b46b892e2ae3dcc3ae60cae9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2ef0ca8c10a4c2b332362f0adafe31c1d3ea1b46b892e2ae3dcc3ae60cae9c", kill_on_drop: false }`
[INFO] [stdout] fd2ef0ca8c10a4c2b332362f0adafe31c1d3ea1b46b892e2ae3dcc3ae60cae9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 115dfd9cd92344c12ce088146deecce1c8217e69504b47dda50bc358e651dc26
[INFO] running `Command { std: "docker" "start" "-a" "115dfd9cd92344c12ce088146deecce1c8217e69504b47dda50bc358e651dc26", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "115dfd9cd92344c12ce088146deecce1c8217e69504b47dda50bc358e651dc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115dfd9cd92344c12ce088146deecce1c8217e69504b47dda50bc358e651dc26", kill_on_drop: false }`
[INFO] [stdout] 115dfd9cd92344c12ce088146deecce1c8217e69504b47dda50bc358e651dc26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d41baded7fec18426220a1ec574f1d6902a7dc77514cbd3fd3db8772c449ab83
[INFO] running `Command { std: "docker" "start" "-a" "d41baded7fec18426220a1ec574f1d6902a7dc77514cbd3fd3db8772c449ab83", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shared_child-7318c1c838a2021b)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_kill ... ok
[INFO] [stdout] test tests::test_into_inner_after_wait ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_waitid_after_exit_doesnt_hang ... ok
[INFO] [stdout] test tests::test_into_inner_before_wait ... ok
[INFO] [stdout] test tests::test_try_wait ... ok
[INFO] [stdout] test tests::test_takes ... ok
[INFO] [stdout] test tests::test_many_waiters ... ok
[INFO] [stdout] test tests::test_wait ... ok
[INFO] [stdout] test tests::test_wait_timeout ... ok
[INFO] [stdout] test tests::test_wait_deadline ... ok
[INFO] [stdout] test tests::test_wait_try_wait_race ... ok
[INFO] [stdout] test unix::tests::test_send_signal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.61s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_child
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (741) panicked at src/lib.rs:13:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56ce0952dcfa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56ce0952dcfa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56ce0952dcfa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56ce0952dcfa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56ce0953eb3a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56ce0953eb3a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x56ce095318e2 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x56ce095318e2 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x56ce0951325f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56ce0951325f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56ce095297d1 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x56ce0952998b - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x56ce09513318 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x56ce095087f9 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x56ce09513afd - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x56ce0953f26c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x56ce0953f042 - core[e929cb53b82a81ca]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x56ce094f730e - rust_out[a0c036232cb4117b]::main::_doctest_main_src_lib_rs_35_0
[INFO] [stdout]   18:     0x56ce094f5b86 - rust_out[a0c036232cb4117b]::main
[INFO] [stdout]   19:     0x56ce094f8773 - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x56ce094f4506 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x56ce094f5479 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x56ce09528a77 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x56ce09528a77 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x56ce09528a77 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x56ce09528a77 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x56ce09528a77 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x56ce09528a77 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x56ce09528a77 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x56ce09528a77 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x56ce09528a77 - std[29689e6404d28ef9]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x56ce094f3801 - std[29689e6404d28ef9]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x56ce094f8855 - main
[INFO] [stdout]   33:     0x70c82c60c1ca - <unknown>
[INFO] [stdout]   34:     0x70c82c60c28b - __libc_start_main
[INFO] [stdout]   35:     0x56ce094f2f55 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d41baded7fec18426220a1ec574f1d6902a7dc77514cbd3fd3db8772c449ab83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41baded7fec18426220a1ec574f1d6902a7dc77514cbd3fd3db8772c449ab83", kill_on_drop: false }`
[INFO] [stdout] d41baded7fec18426220a1ec574f1d6902a7dc77514cbd3fd3db8772c449ab83
