[INFO] fetching crate instance-copy-on-write 0.9.1...
[INFO] testing instance-copy-on-write-0.9.1 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate instance-copy-on-write 0.9.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate instance-copy-on-write 0.9.1
[INFO] finished tweaking crates.io crate instance-copy-on-write 0.9.1
[INFO] tweaked toml for crates.io crate instance-copy-on-write 0.9.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate instance-copy-on-write 0.9.1 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate instance-copy-on-write 0.9.1 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13e4229ada041d3568ca0ae8e72ad269d4827a5296c26078d9cd7b99d30236e5
[INFO] running `Command { std: "docker" "start" "-a" "13e4229ada041d3568ca0ae8e72ad269d4827a5296c26078d9cd7b99d30236e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e4229ada041d3568ca0ae8e72ad269d4827a5296c26078d9cd7b99d30236e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e4229ada041d3568ca0ae8e72ad269d4827a5296c26078d9cd7b99d30236e5", kill_on_drop: false }`
[INFO] [stdout] 13e4229ada041d3568ca0ae8e72ad269d4827a5296c26078d9cd7b99d30236e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 972c5c6292d2eb58f4550ec5ad293f1f81c8fdd76e758ac89fb56dceaea5f083
[INFO] running `Command { std: "docker" "start" "-a" "972c5c6292d2eb58f4550ec5ad293f1f81c8fdd76e758ac89fb56dceaea5f083", kill_on_drop: false }`
[INFO] [stderr]    Compiling instance-copy-on-write v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "972c5c6292d2eb58f4550ec5ad293f1f81c8fdd76e758ac89fb56dceaea5f083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972c5c6292d2eb58f4550ec5ad293f1f81c8fdd76e758ac89fb56dceaea5f083", kill_on_drop: false }`
[INFO] [stdout] 972c5c6292d2eb58f4550ec5ad293f1f81c8fdd76e758ac89fb56dceaea5f083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 3fa061889169343e85a3959e5f19f86086e8d65cb78c1b0f0d7bb0f0afa6112d
[INFO] running `Command { std: "docker" "start" "-a" "3fa061889169343e85a3959e5f19f86086e8d65cb78c1b0f0d7bb0f0afa6112d", kill_on_drop: false }`
[INFO] [stderr]    Compiling instance-copy-on-write v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:189:34
[INFO] [stdout]     |
[INFO] [stdout] 189 |         struct Test { s: String };
[INFO] [stdout]     |                                  ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read0`
[INFO] [stdout]    --> src/lib.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let read0 = icow.read();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_read0`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read1`
[INFO] [stdout]    --> src/lib.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let read1 = icow.read();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_read1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc`
[INFO] [stdout]    --> src/lib.rs:425:18
[INFO] [stdout]     |
[INFO] [stdout] 425 |         let (se, rc) = mpsc::channel::<()>();
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read0`
[INFO] [stdout]    --> src/lib.rs:493:13
[INFO] [stdout]     |
[INFO] [stdout] 493 |         let read0 = icow.read();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_read0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read2`
[INFO] [stdout]    --> src/lib.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let read2 = icow.read();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_read2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read0`
[INFO] [stdout]    --> src/lib.rs:686:17
[INFO] [stdout]     |
[INFO] [stdout] 686 |             let read0 = icow.read();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_read0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read2`
[INFO] [stdout]    --> src/lib.rs:687:17
[INFO] [stdout]     |
[INFO] [stdout] 687 |             let read2 = icow.read();
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_read2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]    --> src/lib.rs:168:23
[INFO] [stdout]     |
[INFO] [stdout] 168 |         struct Test { s: String }
[INFO] [stdout]     |                ----   ^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Test` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]    --> src/lib.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 |         struct Test { s: String };
[INFO] [stdout]     |                ----   ^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Test` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 se2.send(());
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 let _ = se2.send(());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "3fa061889169343e85a3959e5f19f86086e8d65cb78c1b0f0d7bb0f0afa6112d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa061889169343e85a3959e5f19f86086e8d65cb78c1b0f0d7bb0f0afa6112d", kill_on_drop: false }`
[INFO] [stdout] 3fa061889169343e85a3959e5f19f86086e8d65cb78c1b0f0d7bb0f0afa6112d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 471b047f94a011b316fbd7442c1f2d0024e62eedc8481f4e6449af6cd02c01b8
[INFO] running `Command { std: "docker" "start" "-a" "471b047f94a011b316fbd7442c1f2d0024e62eedc8481f4e6449af6cd02c01b8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:189:34
[INFO] [stderr]     |
[INFO] [stderr] 189 |         struct Test { s: String };
[INFO] [stderr]     |                                  ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read0`
[INFO] [stderr]    --> src/lib.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let read0 = icow.read();
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_read0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read1`
[INFO] [stderr]    --> src/lib.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let read1 = icow.read();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_read1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rc`
[INFO] [stderr]    --> src/lib.rs:425:18
[INFO] [stderr]     |
[INFO] [stderr] 425 |         let (se, rc) = mpsc::channel::<()>();
[INFO] [stderr]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read0`
[INFO] [stderr]    --> src/lib.rs:493:13
[INFO] [stderr]     |
[INFO] [stderr] 493 |         let read0 = icow.read();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_read0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read2`
[INFO] [stderr]    --> src/lib.rs:494:13
[INFO] [stderr]     |
[INFO] [stderr] 494 |         let read2 = icow.read();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_read2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read0`
[INFO] [stderr]    --> src/lib.rs:686:17
[INFO] [stderr]     |
[INFO] [stderr] 686 |             let read0 = icow.read();
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_read0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read2`
[INFO] [stderr]    --> src/lib.rs:687:17
[INFO] [stderr]     |
[INFO] [stderr] 687 |             let read2 = icow.read();
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_read2`
[INFO] [stderr] 
[INFO] [stderr] warning: field `s` is never read
[INFO] [stderr]    --> src/lib.rs:168:23
[INFO] [stderr]     |
[INFO] [stderr] 168 |         struct Test { s: String }
[INFO] [stderr]     |                ----   ^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Test` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `s` is never read
[INFO] [stderr]    --> src/lib.rs:189:23
[INFO] [stderr]     |
[INFO] [stderr] 189 |         struct Test { s: String };
[INFO] [stderr]     |                ----   ^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Test` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:471:17
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 se2.send(());
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 let _ = se2.send(());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `instance-copy-on-write` (lib test) generated 11 warnings (run `cargo fix --lib -p instance-copy-on-write --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/instance-copy-on-write/2e211ebcba84d912/deps/instance_copy_on_write-2e211ebcba84d912)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::test_4 ... ok
[INFO] [stdout] test test::test_33 ... ok
[INFO] [stdout] test test::test_5 ... ok
[INFO] [stdout] test test::test_6 ... ok
[INFO] [stdout] test test::test_3 ... ok
[INFO] [stdout] test test::test_10 ... ok
[INFO] [stdout] test test::test_9 ... ok
[INFO] [stdout] test test::test_5_read_lock ... ok
[INFO] [stdout] test test::test_7 ... ok
[INFO] [stdout] test test::test_8 ... ok
[INFO] [stdout] test test::text_9_exclu_lock_pend ... FAILED
[INFO] [stdout] test test::test_6_drop ... ok
[INFO] [stdout] test test::test_parking_lot_reader_wakeup ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::text_9_exclu_lock_pend stdout ----
[INFO] [stdout] thread wait: 996.594999ms
[INFO] [stdout] 
[INFO] [stdout] thread 'test::text_9_exclu_lock_pend' (42) panicked at src/lib.rs:349:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b9b17c6bf62 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b9b17c6bf62 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b9b17c6bf62 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b9b17c6bf62 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b9b17c8088a - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b9b17c8088a - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x5b9b17c70d96 - std[840933623431fd06]::io::default_write_fmt::<alloc[40b2bae28975ac47]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b9b17c70d96 - <alloc[40b2bae28975ac47]::vec::Vec<u8> as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5b9b17c4a33f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b9b17c4a33f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b9b17c641a9 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b9b17bfe71e - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5b9b17bfe71e - test[2f1252070343a163]::test_main_with_exit_callback::<test[2f1252070343a163]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b9b17c64362 - <alloc[40b2bae28975ac47]::boxed::Box<dyn for<'a, 'b> core[8f93d80df273fe75]::ops::function::Fn<(&'a std[840933623431fd06]::panic::PanicHookInfo<'b>,), Output = ()> + core[8f93d80df273fe75]::marker::Sync + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::Fn<(&std[840933623431fd06]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5b9b17c64362 - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b9b17c4a3f8 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5b9b17c41dc9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b9b17c4b24d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b9b17c80f6c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b9b17c80e83 - core[8f93d80df273fe75]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5b9b17c7d218 - core[8f93d80df273fe75]::panicking::assert_failed::<u64, u64>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5b9b17bd2981 - instance_copy_on_write[f5a36f1ac4269888]::test::text_9_exclu_lock_pend
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:349:9
[INFO] [stdout]   22:     0x5b9b17bcee27 - instance_copy_on_write[f5a36f1ac4269888]::test::text_9_exclu_lock_pend::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:295:32
[INFO] [stdout]   23:     0x5b9b17befb06 - <instance_copy_on_write[f5a36f1ac4269888]::test::text_9_exclu_lock_pend::{closure#0} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b9b17bf2acb - <fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b9b17bf2acb - test[2f1252070343a163]::__rust_begin_short_backtrace::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, fn() -> core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5b9b17bff32a - test[2f1252070343a163]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5b9b17bff32a - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5b9b17bff32a - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5b9b17bff32a - std[840933623431fd06]::panicking::catch_unwind::<core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>, core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b9b17bff32a - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<test[2f1252070343a163]::run_test_in_process::{closure#0}>, core[8f93d80df273fe75]::result::Result<(), alloc[40b2bae28975ac47]::string::String>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b9b17bff32a - test[2f1252070343a163]::run_test_in_process
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5b9b17bff32a - test[2f1252070343a163]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5b9b17bf97f4 - test[2f1252070343a163]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5b9b17bf97f4 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<test[2f1252070343a163]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5b9b17c01e22 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5b9b17c01e22 - <core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5b9b17c01e22 - std[840933623431fd06]::panicking::catch_unwind::do_call::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5b9b17c01e22 - std[840933623431fd06]::panicking::catch_unwind::<(), core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5b9b17c01e22 - std[840933623431fd06]::panic::catch_unwind::<core[8f93d80df273fe75]::panic::unwind_safe::AssertUnwindSafe<std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b9b17c01e22 - std[840933623431fd06]::thread::lifecycle::spawn_unchecked::<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5b9b17c01e22 - <std[840933623431fd06]::thread::lifecycle::spawn_unchecked<test[2f1252070343a163]::run_test::{closure#1}, ()>::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b9b17c6b80f - <alloc[40b2bae28975ac47]::boxed::Box<dyn core[8f93d80df273fe75]::ops::function::FnOnce<(), Output = ()> + core[8f93d80df273fe75]::marker::Send> as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5b9b17c6b80f - <std[840933623431fd06]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7f97aa032aa4 - <unknown>
[INFO] [stdout]   45:     0x7f97aa0bfa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::text_9_exclu_lock_pend
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "471b047f94a011b316fbd7442c1f2d0024e62eedc8481f4e6449af6cd02c01b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471b047f94a011b316fbd7442c1f2d0024e62eedc8481f4e6449af6cd02c01b8", kill_on_drop: false }`
[INFO] [stdout] 471b047f94a011b316fbd7442c1f2d0024e62eedc8481f4e6449af6cd02c01b8
