[INFO] fetching crate empty-option 0.1.1...
[INFO] testing empty-option-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate empty-option 0.1.1 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate empty-option 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty-option 0.1.1
[INFO] finished tweaking crates.io crate empty-option 0.1.1
[INFO] tweaked toml for crates.io crate empty-option 0.1.1 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27247e1c8ab89d8801bb543b4b787b795cd58964b1e5f3de67857f9ffb560708
[INFO] running `Command { std: "docker" "start" "-a" "27247e1c8ab89d8801bb543b4b787b795cd58964b1e5f3de67857f9ffb560708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27247e1c8ab89d8801bb543b4b787b795cd58964b1e5f3de67857f9ffb560708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27247e1c8ab89d8801bb543b4b787b795cd58964b1e5f3de67857f9ffb560708", kill_on_drop: false }`
[INFO] [stdout] 27247e1c8ab89d8801bb543b4b787b795cd58964b1e5f3de67857f9ffb560708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 116ef0687936a0dcca916a2bbafcd3c68fd4a67909e84e679667c2e7ca078170
[INFO] running `Command { std: "docker" "start" "-a" "116ef0687936a0dcca916a2bbafcd3c68fd4a67909e84e679667c2e7ca078170", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-option v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "116ef0687936a0dcca916a2bbafcd3c68fd4a67909e84e679667c2e7ca078170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116ef0687936a0dcca916a2bbafcd3c68fd4a67909e84e679667c2e7ca078170", kill_on_drop: false }`
[INFO] [stdout] 116ef0687936a0dcca916a2bbafcd3c68fd4a67909e84e679667c2e7ca078170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e74eb4e559f750a8220c73e3b0108dcfe3bd5905fb184ec79ad9cbf8d222a5
[INFO] running `Command { std: "docker" "start" "-a" "f7e74eb4e559f750a8220c73e3b0108dcfe3bd5905fb184ec79ad9cbf8d222a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-option v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "f7e74eb4e559f750a8220c73e3b0108dcfe3bd5905fb184ec79ad9cbf8d222a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e74eb4e559f750a8220c73e3b0108dcfe3bd5905fb184ec79ad9cbf8d222a5", kill_on_drop: false }`
[INFO] [stdout] f7e74eb4e559f750a8220c73e3b0108dcfe3bd5905fb184ec79ad9cbf8d222a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ddb9c873b5ca46f104b5ec3ab372ab7c1f7930cba8973e398723d38ba32cc17
[INFO] running `Command { std: "docker" "start" "-a" "9ddb9c873b5ca46f104b5ec3ab372ab7c1f7930cba8973e398723d38ba32cc17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty_option-a21ecbb12963ca67)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::catch_and_release ... ok
[INFO] [stdout] test tests::mut_and_keep ... ok
[INFO] [stdout] test tests::mut_and_release ... ok
[INFO] [stdout] test tests::catch_and_keep - should panic ... ok
[INFO] [stdout] test tests::catch_from_none - should panic ... ok
[INFO] [stdout] test tests::mut_from_none - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty-option
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 46) ... FAILED
[INFO] [stdout] test src/lib.rs - OptionGuard (line 168) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 99) ... FAILED
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 246) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 230) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuardMut (line 213) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuard (line 157) ... ok
[INFO] [stdout] test src/lib.rs - OptionGuard (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 46) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:50:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let (guard, _) = thing.steal();
[INFO] [stdout]   |                        ^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OptionGuard (line 168) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:172:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let (guard, _) = thing.steal();
[INFO] [stdout]   |                        ^^^^^ method not found in `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 99) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal_mut` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:103:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.steal_mut();
[INFO] [stdout]   |       ^^^^^^^^^ help: there is an associated function with a similar name: `iter_mut`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OptionGuardMut (line 246) stdout ----
[INFO] [stdout] error[E0599]: no method named `steal_mut` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:250:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | thing.steal_mut();
[INFO] [stdout]   |       ^^^^^^^^^ help: there is an associated function with a similar name: `iter_mut`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 46)
[INFO] [stdout]     src/lib.rs - (line 99)
[INFO] [stdout]     src/lib.rs - OptionGuard (line 168)
[INFO] [stdout]     src/lib.rs - OptionGuardMut (line 246)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.50s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "9ddb9c873b5ca46f104b5ec3ab372ab7c1f7930cba8973e398723d38ba32cc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddb9c873b5ca46f104b5ec3ab372ab7c1f7930cba8973e398723d38ba32cc17", kill_on_drop: false }`
[INFO] [stdout] 9ddb9c873b5ca46f104b5ec3ab372ab7c1f7930cba8973e398723d38ba32cc17