[INFO] cloning repository https://github.com/Carlo-Mask/optimistic-mutation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Carlo-Mask/optimistic-mutation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlo-Mask%2Foptimistic-mutation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlo-Mask%2Foptimistic-mutation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dbc55e023e04645a4be0664ff761a4986db2364
[INFO] testing Carlo-Mask/optimistic-mutation against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlo-Mask%2Foptimistic-mutation" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Carlo-Mask/optimistic-mutation
[INFO] finished tweaking git repo https://github.com/Carlo-Mask/optimistic-mutation
[INFO] tweaked toml for git repo https://github.com/Carlo-Mask/optimistic-mutation written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Carlo-Mask/optimistic-mutation 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 git repo https://github.com/Carlo-Mask/optimistic-mutation 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]     Updating git repository `https://github.com/Carlo-Mask/sugaru`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ext-trait v2.0.1
[INFO] [stderr]   Downloaded ext-trait-proc_macros v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7fecf8f4c4aa537e907e347d77de31ee89a0f949a57815a24194a970b20ffd2f
[INFO] running `Command { std: "docker" "start" "-a" "7fecf8f4c4aa537e907e347d77de31ee89a0f949a57815a24194a970b20ffd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fecf8f4c4aa537e907e347d77de31ee89a0f949a57815a24194a970b20ffd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fecf8f4c4aa537e907e347d77de31ee89a0f949a57815a24194a970b20ffd2f", kill_on_drop: false }`
[INFO] [stdout] 7fecf8f4c4aa537e907e347d77de31ee89a0f949a57815a24194a970b20ffd2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cfbd61fff8848d1f2443650164bc391d451f84ceb723dddd05729ac4f3325d3d
[INFO] running `Command { std: "docker" "start" "-a" "cfbd61fff8848d1f2443650164bc391d451f84ceb723dddd05729ac4f3325d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ext-trait-proc_macros v2.0.1
[INFO] [stderr]    Compiling ext-trait v2.0.1
[INFO] [stderr]    Compiling sugaru v1.0.0 (https://github.com/Carlo-Mask/sugaru#ddec3005)
[INFO] [stderr]    Compiling opportunistic-mutation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "cfbd61fff8848d1f2443650164bc391d451f84ceb723dddd05729ac4f3325d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbd61fff8848d1f2443650164bc391d451f84ceb723dddd05729ac4f3325d3d", kill_on_drop: false }`
[INFO] [stdout] cfbd61fff8848d1f2443650164bc391d451f84ceb723dddd05729ac4f3325d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c91505cb4e5e17288eaaec63f77e138f5d7541a5f0b1f31cca35c9dd311658c5
[INFO] running `Command { std: "docker" "start" "-a" "c91505cb4e5e17288eaaec63f77e138f5d7541a5f0b1f31cca35c9dd311658c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling opportunistic-mutation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c91505cb4e5e17288eaaec63f77e138f5d7541a5f0b1f31cca35c9dd311658c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91505cb4e5e17288eaaec63f77e138f5d7541a5f0b1f31cca35c9dd311658c5", kill_on_drop: false }`
[INFO] [stdout] c91505cb4e5e17288eaaec63f77e138f5d7541a5f0b1f31cca35c9dd311658c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8550ba43edb8c156302ada0b597409a723975487b9210c65e53dc9bc475d9273
[INFO] running `Command { std: "docker" "start" "-a" "8550ba43edb8c156302ada0b597409a723975487b9210c65e53dc9bc475d9273", 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/opportunistic_mutation-c334fd71a2b8a240)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test rc::tests::from_str ... ok
[INFO] [stdout] test rc::tests::no_clone_when_unique ... ok
[INFO] [stdout] test sync::tests::sandbox ... ok
[INFO] [stdout] test rc::tests::sandbox ... ok
[INFO] [stdout] test to_owned::cow_rc_slice::test::cow ... ok
[INFO] [stdout] test to_owned::cow_rc_slice::test::deref_test ... ok
[INFO] [stdout] test to_owned::cow_rc_str::test::cow ... ok
[INFO] [stdout] test to_owned::cow_rc_str::test::deref_test ... ok
[INFO] [stdout] test rc::tests::from_rc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opportunistic_mutation
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/rc.rs - rc::CowRc<T>::from_rc (line 75) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::CowRc<T>::deref_mut (line 172) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::CowRc<T>::new (line 58) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::CowRc<U>::from (line 134) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::CowRc<T>::deref_mut (line 208) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::CowRc<T>::deref_mut (line 191) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::CowRc (line 17) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/rc.rs - rc::CowRc<T>::from_rc (line 75) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]   --> src/rc.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 77 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 77 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::CowRc<T>::deref_mut (line 172) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]    --> src/rc.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 173 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 173 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::CowRc<T>::new (line 58) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]   --> src/rc.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 59 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 59 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::CowRc<U>::from (line 134) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]    --> src/rc.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 136 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 136 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::CowRc<T>::deref_mut (line 208) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]    --> src/rc.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 209 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 209 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::CowRc<T>::deref_mut (line 191) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]    --> src/rc.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 192 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 192 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::CowRc (line 17) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `optimistic_mutation` in this scope
[INFO] [stdout]   --> src/rc.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use optimistic_mutation::rc::CowRc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optimistic_mutation`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 18 - use optimistic_mutation::rc::CowRc;
[INFO] [stdout] 18 + use opportunistic_mutation::rc::CowRc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/rc.rs - rc::CowRc (line 17)
[INFO] [stdout]     src/rc.rs - rc::CowRc<T>::deref_mut (line 172)
[INFO] [stdout]     src/rc.rs - rc::CowRc<T>::deref_mut (line 191)
[INFO] [stdout]     src/rc.rs - rc::CowRc<T>::deref_mut (line 208)
[INFO] [stdout]     src/rc.rs - rc::CowRc<T>::from_rc (line 75)
[INFO] [stdout]     src/rc.rs - rc::CowRc<T>::new (line 58)
[INFO] [stdout]     src/rc.rs - rc::CowRc<U>::from (line 134)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8550ba43edb8c156302ada0b597409a723975487b9210c65e53dc9bc475d9273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8550ba43edb8c156302ada0b597409a723975487b9210c65e53dc9bc475d9273", kill_on_drop: false }`
[INFO] [stdout] 8550ba43edb8c156302ada0b597409a723975487b9210c65e53dc9bc475d9273
