[INFO] fetching crate somok 1.5.0...
[INFO] testing somok-1.5.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate somok 1.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate somok 1.5.0
[INFO] finished tweaking crates.io crate somok 1.5.0
[INFO] tweaked toml for crates.io crate somok 1.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate somok 1.5.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ebe5b87fdc4a0332afda5208d6f9f311296beab530d27268a9e33adbac4180d
[INFO] running `Command { std: "docker" "start" "-a" "7ebe5b87fdc4a0332afda5208d6f9f311296beab530d27268a9e33adbac4180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ebe5b87fdc4a0332afda5208d6f9f311296beab530d27268a9e33adbac4180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebe5b87fdc4a0332afda5208d6f9f311296beab530d27268a9e33adbac4180d", kill_on_drop: false }`
[INFO] [stdout] 7ebe5b87fdc4a0332afda5208d6f9f311296beab530d27268a9e33adbac4180d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b886d99af1965c5e240fef92c40751795f976aa380ee8f07d9c17f77c671e63
[INFO] running `Command { std: "docker" "start" "-a" "3b886d99af1965c5e240fef92c40751795f976aa380ee8f07d9c17f77c671e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling somok v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "3b886d99af1965c5e240fef92c40751795f976aa380ee8f07d9c17f77c671e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b886d99af1965c5e240fef92c40751795f976aa380ee8f07d9c17f77c671e63", kill_on_drop: false }`
[INFO] [stdout] 3b886d99af1965c5e240fef92c40751795f976aa380ee8f07d9c17f77c671e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739b2c83e5a94e7f2f47062c2f31ea6c6a26d0f68d47ef5e06938697471f29d1
[INFO] running `Command { std: "docker" "start" "-a" "739b2c83e5a94e7f2f47062c2f31ea6c6a26d0f68d47ef5e06938697471f29d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling somok v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "739b2c83e5a94e7f2f47062c2f31ea6c6a26d0f68d47ef5e06938697471f29d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739b2c83e5a94e7f2f47062c2f31ea6c6a26d0f68d47ef5e06938697471f29d1", kill_on_drop: false }`
[INFO] [stdout] 739b2c83e5a94e7f2f47062c2f31ea6c6a26d0f68d47ef5e06938697471f29d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b862264d52108ce5c33c68992cfcf1405084e76ce07ebfe4331262fabd0e71b2
[INFO] running `Command { std: "docker" "start" "-a" "b862264d52108ce5c33c68992cfcf1405084e76ce07ebfe4331262fabd0e71b2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/somok-618ef3b03a6ba5a7)
[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 somok
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Somok (line 20) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Somok (line 20) stdout ----
[INFO] [stdout] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]  --> src/lib.rs:21:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn foo() -> Result<Option<String>> {
[INFO] [stdout]   |             ^^^^^^ -------------- supplied 1 generic argument
[INFO] [stdout]   |             |
[INFO] [stdout]   |             expected 2 generic arguments
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn foo() -> Result<Option<String>, E> {
[INFO] [stdout]   |                                  +++
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `some` found for struct `String` in the current scope
[INFO] [stdout]  --> src/lib.rs:22:28
[INFO] [stdout]   |
[INFO] [stdout] 4 |     String::from("Foobar").some().okay()
[INFO] [stdout]   |                            ^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]  --> src/lib.rs:14:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn foo() -> Result<Option<String>> {
[INFO] [stdout]   |             ^^^^^^ -------------- supplied 1 generic argument
[INFO] [stdout]   |             |
[INFO] [stdout]   |             expected 2 generic arguments
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn foo() -> Result<Option<String>, E> {
[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 E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - Somok (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b862264d52108ce5c33c68992cfcf1405084e76ce07ebfe4331262fabd0e71b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b862264d52108ce5c33c68992cfcf1405084e76ce07ebfe4331262fabd0e71b2", kill_on_drop: false }`
[INFO] [stdout] b862264d52108ce5c33c68992cfcf1405084e76ce07ebfe4331262fabd0e71b2
