[INFO] fetching crate fritz_guess 0.1.0...
[INFO] testing fritz_guess-0.1.0 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] extracting crate fritz_guess 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fritz_guess 0.1.0 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fritz_guess 0.1.0
[INFO] finished tweaking crates.io crate fritz_guess 0.1.0
[INFO] tweaked toml for crates.io crate fritz_guess 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fritz_guess 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8849b3d4fb034f793fc7a4a11e3300d7f3be0a86daf73af5aec9cab51b138662
[INFO] running `Command { std: "docker" "start" "-a" "8849b3d4fb034f793fc7a4a11e3300d7f3be0a86daf73af5aec9cab51b138662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8849b3d4fb034f793fc7a4a11e3300d7f3be0a86daf73af5aec9cab51b138662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8849b3d4fb034f793fc7a4a11e3300d7f3be0a86daf73af5aec9cab51b138662", kill_on_drop: false }`
[INFO] [stdout] 8849b3d4fb034f793fc7a4a11e3300d7f3be0a86daf73af5aec9cab51b138662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 821039a159cc90a8ab3c3c5b7facc54b4baf4bc08adb1ec32db2360896b3ebb4
[INFO] running `Command { std: "docker" "start" "-a" "821039a159cc90a8ab3c3c5b7facc54b4baf4bc08adb1ec32db2360896b3ebb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]    Compiling fritz_guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.90s
[INFO] running `Command { std: "docker" "inspect" "821039a159cc90a8ab3c3c5b7facc54b4baf4bc08adb1ec32db2360896b3ebb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821039a159cc90a8ab3c3c5b7facc54b4baf4bc08adb1ec32db2360896b3ebb4", kill_on_drop: false }`
[INFO] [stdout] 821039a159cc90a8ab3c3c5b7facc54b4baf4bc08adb1ec32db2360896b3ebb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2df85df6b9982c2131bd3d50f22fcc27c372c7ccea621496da26d86894dc9c3
[INFO] running `Command { std: "docker" "start" "-a" "f2df85df6b9982c2131bd3d50f22fcc27c372c7ccea621496da26d86894dc9c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling parameterized-macro v0.1.1
[INFO] [stderr]    Compiling parameterized v0.1.1
[INFO] [stderr]    Compiling fritz_guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.86s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fritz_guess-ab38e19fc172a0df)
[INFO] [stderr]   Executable unittests src/bin/fritz-guess.rs (/opt/rustwide/target/debug/deps/fritz_guess-0fb86468256604d8)
[INFO] running `Command { std: "docker" "inspect" "f2df85df6b9982c2131bd3d50f22fcc27c372c7ccea621496da26d86894dc9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2df85df6b9982c2131bd3d50f22fcc27c372c7ccea621496da26d86894dc9c3", kill_on_drop: false }`
[INFO] [stdout] f2df85df6b9982c2131bd3d50f22fcc27c372c7ccea621496da26d86894dc9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46d2df6159eb7354634635d866862b41dec92bf58051632d8221072ebbb7aef1
[INFO] running `Command { std: "docker" "start" "-a" "46d2df6159eb7354634635d866862b41dec92bf58051632d8221072ebbb7aef1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fritz_guess-ab38e19fc172a0df)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::__mark_with_test_intent ... ok
[INFO] [stdout] test tests::equal_counts_have_char_ordering::case_1 ... ok
[INFO] [stdout] test tests::positive_well_formed_guesses::case_4 ... ok
[INFO] [stdout] test tests::positive_well_formed_guesses::case_2 ... ok
[INFO] [stdout] test tests::positive_well_formed_guesses::case_3 ... ok
[INFO] [stdout] test tests::positive_well_formed_guesses::case_0 ... ok
[INFO] [stdout] test tests::equal_counts_have_char_ordering::case_3 ... ok
[INFO] [stdout] test tests::equal_counts_have_char_ordering::case_0 ... ok
[INFO] [stdout] test tests::equal_counts_have_char_ordering::case_2 ... ok
[INFO] [stdout] test tests::positive_well_formed_guesses::case_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/fritz-guess.rs (/opt/rustwide/target/debug/deps/fritz_guess-0fb86468256604d8)
[INFO] [stderr]    Doc-tests fritz_guess
[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] [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] running `Command { std: "docker" "inspect" "46d2df6159eb7354634635d866862b41dec92bf58051632d8221072ebbb7aef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d2df6159eb7354634635d866862b41dec92bf58051632d8221072ebbb7aef1", kill_on_drop: false }`
[INFO] [stdout] 46d2df6159eb7354634635d866862b41dec92bf58051632d8221072ebbb7aef1