[INFO] fetching crate context-coroutine 3.1.0...
[INFO] extracting crate context-coroutine 3.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/context-coroutine/3.1.0
[INFO] extracting crate context-coroutine 3.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/context-coroutine/3.1.0
[INFO] validating manifest of context-coroutine-3.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of context-coroutine-3.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing context-coroutine-3.1.0
[INFO] finished frobbing context-coroutine-3.1.0
[INFO] frobbed toml for context-coroutine-3.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/context-coroutine/3.1.0/Cargo.toml
[INFO] started frobbing context-coroutine-3.1.0
[INFO] finished frobbing context-coroutine-3.1.0
[INFO] frobbed toml for context-coroutine-3.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/context-coroutine/3.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded context-allocator v0.2.3
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing context-coroutine-3.1.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/context-coroutine/3.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] c0ffa398178a88ea94d811c53252813101be16af55ebdd3872e2d79f7f632ae4
[INFO] running `"docker" "start" "-a" "c0ffa398178a88ea94d811c53252813101be16af55ebdd3872e2d79f7f632ae4"`
[INFO] [stderr]    Compiling syscall-alt v0.0.14
[INFO] [stderr]    Compiling const-cstr-fork v0.2.2
[INFO] [stderr]    Compiling libc-extra v0.3.2
[INFO] [stderr]    Compiling context-allocator v0.2.3
[INFO] [stderr]    Compiling context-coroutine v3.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `"docker" "inspect" "c0ffa398178a88ea94d811c53252813101be16af55ebdd3872e2d79f7f632ae4"`
[INFO] running `"docker" "rm" "-f" "c0ffa398178a88ea94d811c53252813101be16af55ebdd3872e2d79f7f632ae4"`
[INFO] [stdout] c0ffa398178a88ea94d811c53252813101be16af55ebdd3872e2d79f7f632ae4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/context-coroutine/3.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cba830c4e5dae6eb86c575e382b5e166da57f0e23dba4d2d7765e9ff326b029a
[INFO] running `"docker" "start" "-a" "cba830c4e5dae6eb86c575e382b5e166da57f0e23dba4d2d7765e9ff326b029a"`
[INFO] [stderr]    Compiling context-coroutine v3.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "cba830c4e5dae6eb86c575e382b5e166da57f0e23dba4d2d7765e9ff326b029a"`
[INFO] running `"docker" "rm" "-f" "cba830c4e5dae6eb86c575e382b5e166da57f0e23dba4d2d7765e9ff326b029a"`
[INFO] [stdout] cba830c4e5dae6eb86c575e382b5e166da57f0e23dba4d2d7765e9ff326b029a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/context-coroutine/3.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 4ea20c8eb94f72a1ab285bd41686c85dd6c249bf7d9e54ae559a1a3ff2b8ec72
[INFO] running `"docker" "start" "-a" "4ea20c8eb94f72a1ab285bd41686c85dd6c249bf7d9e54ae559a1a3ff2b8ec72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/context_coroutine-6654881e9d170d7c
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests context-coroutine
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/stacks/Stack.rs - stacks::Stack (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/stacks/Stack.rs - stacks::Stack (line 15) stdout ----
[INFO] [stdout] error: unknown start of token: \u{b7}
[INFO] [stdout]   --> src/stacks/Stack.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | eg 0x1000  |···| Former Top
[INFO] [stdout]    |             ^
[INFO] [stdout] help: Unicode character '·' (Middle Dot) looks like '.' (Period), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 17 | eg 0x1000  |.··| Former Top
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/stacks/Stack.rs - stacks::Stack (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "4ea20c8eb94f72a1ab285bd41686c85dd6c249bf7d9e54ae559a1a3ff2b8ec72"`
[INFO] running `"docker" "rm" "-f" "4ea20c8eb94f72a1ab285bd41686c85dd6c249bf7d9e54ae559a1a3ff2b8ec72"`
[INFO] [stdout] 4ea20c8eb94f72a1ab285bd41686c85dd6c249bf7d9e54ae559a1a3ff2b8ec72