[INFO] fetching crate somok 1.5.0...
[INFO] testing somok-1.5.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate somok 1.5.0 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate somok 1.5.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b613ca86279c99cb4bf1c8f45b5c82ea7c1be51578444216cf20db441a1147a
[INFO] running `Command { std: "docker" "start" "-a" "0b613ca86279c99cb4bf1c8f45b5c82ea7c1be51578444216cf20db441a1147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b613ca86279c99cb4bf1c8f45b5c82ea7c1be51578444216cf20db441a1147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b613ca86279c99cb4bf1c8f45b5c82ea7c1be51578444216cf20db441a1147a", kill_on_drop: false }`
[INFO] [stdout] 0b613ca86279c99cb4bf1c8f45b5c82ea7c1be51578444216cf20db441a1147a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d132af54974a8a176c588924fff0b875070e50f16499174a907212b7dcd905
[INFO] running `Command { std: "docker" "start" "-a" "20d132af54974a8a176c588924fff0b875070e50f16499174a907212b7dcd905", kill_on_drop: false }`
[INFO] [stderr]    Compiling somok v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "20d132af54974a8a176c588924fff0b875070e50f16499174a907212b7dcd905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d132af54974a8a176c588924fff0b875070e50f16499174a907212b7dcd905", kill_on_drop: false }`
[INFO] [stdout] 20d132af54974a8a176c588924fff0b875070e50f16499174a907212b7dcd905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f49e222dd9ea73ac0b0af7ef1b96403849b8c480e916aee4f5fda9c7d72654
[INFO] running `Command { std: "docker" "start" "-a" "d4f49e222dd9ea73ac0b0af7ef1b96403849b8c480e916aee4f5fda9c7d72654", kill_on_drop: false }`
[INFO] [stderr]    Compiling somok v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d4f49e222dd9ea73ac0b0af7ef1b96403849b8c480e916aee4f5fda9c7d72654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f49e222dd9ea73ac0b0af7ef1b96403849b8c480e916aee4f5fda9c7d72654", kill_on_drop: false }`
[INFO] [stdout] d4f49e222dd9ea73ac0b0af7ef1b96403849b8c480e916aee4f5fda9c7d72654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f135f82539887da5880e7363ce249ed0a6e7c3092d0ae2727a7f6b63baa8b64
[INFO] running `Command { std: "docker" "start" "-a" "6f135f82539887da5880e7363ce249ed0a6e7c3092d0ae2727a7f6b63baa8b64", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/somok-618ef3b03a6ba5a7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests somok
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - Somok (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] ---- 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] 
[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 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6f135f82539887da5880e7363ce249ed0a6e7c3092d0ae2727a7f6b63baa8b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f135f82539887da5880e7363ce249ed0a6e7c3092d0ae2727a7f6b63baa8b64", kill_on_drop: false }`
[INFO] [stdout] 6f135f82539887da5880e7363ce249ed0a6e7c3092d0ae2727a7f6b63baa8b64
