[INFO] fetching crate vlock 0.2.2... [INFO] testing vlock-0.2.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate vlock 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate vlock 0.2.2 [INFO] finished tweaking crates.io crate vlock 0.2.2 [INFO] tweaked toml for crates.io crate vlock 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate vlock 0.2.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f48132d183df839cd2771edacd3dd4209cfc4f4cf8265d7d6786085835ec108c [INFO] running `Command { std: "docker" "start" "-a" "f48132d183df839cd2771edacd3dd4209cfc4f4cf8265d7d6786085835ec108c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f48132d183df839cd2771edacd3dd4209cfc4f4cf8265d7d6786085835ec108c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f48132d183df839cd2771edacd3dd4209cfc4f4cf8265d7d6786085835ec108c", kill_on_drop: false }` [INFO] [stdout] f48132d183df839cd2771edacd3dd4209cfc4f4cf8265d7d6786085835ec108c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b74889e084125a96eb41d689c9233767d1b582cca5c9dfe648967cfd34f3ef00 [INFO] running `Command { std: "docker" "start" "-a" "b74889e084125a96eb41d689c9233767d1b582cca5c9dfe648967cfd34f3ef00", kill_on_drop: false }` [INFO] [stderr] Compiling vlock v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "b74889e084125a96eb41d689c9233767d1b582cca5c9dfe648967cfd34f3ef00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74889e084125a96eb41d689c9233767d1b582cca5c9dfe648967cfd34f3ef00", kill_on_drop: false }` [INFO] [stdout] b74889e084125a96eb41d689c9233767d1b582cca5c9dfe648967cfd34f3ef00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 834285c1dccebf11abf04782545ba62d6702ca968e027051d13ec0da466c9a5d [INFO] running `Command { std: "docker" "start" "-a" "834285c1dccebf11abf04782545ba62d6702ca968e027051d13ec0da466c9a5d", kill_on_drop: false }` [INFO] [stderr] Compiling vlock v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "834285c1dccebf11abf04782545ba62d6702ca968e027051d13ec0da466c9a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "834285c1dccebf11abf04782545ba62d6702ca968e027051d13ec0da466c9a5d", kill_on_drop: false }` [INFO] [stdout] 834285c1dccebf11abf04782545ba62d6702ca968e027051d13ec0da466c9a5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7af813fb2e3cad4b1b01a4e7f8b919eb89f8fa9346d1a488a34717e31cee7b87 [INFO] running `Command { std: "docker" "start" "-a" "7af813fb2e3cad4b1b01a4e7f8b919eb89f8fa9346d1a488a34717e31cee7b87", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vlock-ccf934b3847eebc0) [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] [stderr] Doc-tests vlock [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/lib.rs - VLock::read (line 249) ... ok [INFO] [stdout] test src/lib.rs - VLock::compare_update_default (line 562) ... ok [INFO] [stdout] test src/lib.rs - VLock::compare_update (line 428) ... ok [INFO] [stdout] test src/lib.rs - VLock::update_default (line 535) ... ok [INFO] [stdout] test src/lib.rs - VLock::update (line 399) ... ok [INFO] [stdout] test src/lib.rs - (line 86) ... FAILED [INFO] [stdout] test src/lib.rs - VLock::get_mut (line 510) ... ok [INFO] [stdout] test src/lib.rs - ReadRef<'_,T,N>::hash (line 765) ... ok [INFO] [stdout] test src/lib.rs - VLock (line 148) ... ok [INFO] [stdout] test src/lib.rs - ReadRef<'_,T,N>::eq (line 703) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 86) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stdout: [INFO] [stdout] hi there! [INFO] [stdout] hi there! [INFO] [stdout] hi there! [INFO] [stdout] hi there! [INFO] [stdout] hi there! [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (238) panicked at src/lib.rs:37:1: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: "here's some text for you" [INFO] [stdout] right: "bye!" [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5ece6828299a - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ece6828299a - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ece6828299a - std[31e582c13f4e914f]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5ece6828299a - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5ece682937fa - ::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5ece682937fa - core[fa0eadad68403074]::fmt::write [INFO] [stdout] 6: 0x5ece68286832 - std[31e582c13f4e914f]::io::default_write_fmt:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ece68286832 - ::write_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x5ece6826d60f - ::print [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5ece6826d60f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5ece6827e421 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9 [INFO] [stdout] 11: 0x5ece6827e5db - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13 [INFO] [stdout] 12: 0x5ece6826d6c8 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13 [INFO] [stdout] 13: 0x5ece68262b29 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 14: 0x5ece6826df2d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5 [INFO] [stdout] 15: 0x5ece68293f8c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5ece68293e43 - core[fa0eadad68403074]::panicking::assert_failed_inner [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:439:17 [INFO] [stdout] 17: 0x5ece68251c5b - core[fa0eadad68403074]::panicking::assert_failed:: [INFO] [stdout] 18: 0x5ece6825602d - rust_out[6ca516bbe19c3985]::main::_doctest_main_src_lib_rs_86_0 [INFO] [stdout] 19: 0x5ece682540e6 - rust_out[6ca516bbe19c3985]::main [INFO] [stdout] 20: 0x5ece682575c3 - >::call_once [INFO] [stdout] 21: 0x5ece68251c66 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 22: 0x5ece682533b9 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 23: 0x5ece6827dac4 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x5ece6827dac4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 25: 0x5ece6827dac4 - std[31e582c13f4e914f]::panicking::catch_unwind:: + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 26: 0x5ece6827dac4 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x5ece6827dac4 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x5ece6827dac4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 29: 0x5ece6827dac4 - std[31e582c13f4e914f]::panicking::catch_unwind:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 30: 0x5ece6827dac4 - std[31e582c13f4e914f]::panic::catch_unwind:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5ece6827dac4 - std[31e582c13f4e914f]::rt::lang_start_internal [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x5ece682511e1 - std[31e582c13f4e914f]::rt::lang_start::<()> [INFO] [stdout] 33: 0x5ece682579e5 - main [INFO] [stdout] 34: 0x72bbd2c6e1ca - [INFO] [stdout] 35: 0x72bbd2c6e28b - __libc_start_main [INFO] [stdout] 36: 0x5ece6824f5f5 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 86) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "7af813fb2e3cad4b1b01a4e7f8b919eb89f8fa9346d1a488a34717e31cee7b87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7af813fb2e3cad4b1b01a4e7f8b919eb89f8fa9346d1a488a34717e31cee7b87", kill_on_drop: false }` [INFO] [stdout] 7af813fb2e3cad4b1b01a4e7f8b919eb89f8fa9346d1a488a34717e31cee7b87