[INFO] fetching crate hashseq 0.1.0...
[INFO] testing hashseq-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hashseq 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate hashseq 0.1.0
[INFO] finished tweaking crates.io crate hashseq 0.1.0
[INFO] tweaked toml for crates.io crate hashseq 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hashseq 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hashseq 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee714eb7111dd45bdf94119af63574b589fb885189c5eb6afa4c535b4ac37482
[INFO] running `Command { std: "docker" "start" "-a" "ee714eb7111dd45bdf94119af63574b589fb885189c5eb6afa4c535b4ac37482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee714eb7111dd45bdf94119af63574b589fb885189c5eb6afa4c535b4ac37482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee714eb7111dd45bdf94119af63574b589fb885189c5eb6afa4c535b4ac37482", kill_on_drop: false }`
[INFO] [stdout] ee714eb7111dd45bdf94119af63574b589fb885189c5eb6afa4c535b4ac37482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465235f41721331765044ca258f0b16c39b6ebce5fdf14f3822ab63785adc70b
[INFO] running `Command { std: "docker" "start" "-a" "465235f41721331765044ca258f0b16c39b6ebce5fdf14f3822ab63785adc70b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashseq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "465235f41721331765044ca258f0b16c39b6ebce5fdf14f3822ab63785adc70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465235f41721331765044ca258f0b16c39b6ebce5fdf14f3822ab63785adc70b", kill_on_drop: false }`
[INFO] [stdout] 465235f41721331765044ca258f0b16c39b6ebce5fdf14f3822ab63785adc70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e5d6b9b816f3faf17321055705cc7456c09c39fb5527c0f28c02cf4f5d2d910
[INFO] running `Command { std: "docker" "start" "-a" "5e5d6b9b816f3faf17321055705cc7456c09c39fb5527c0f28c02cf4f5d2d910", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling hashseq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "5e5d6b9b816f3faf17321055705cc7456c09c39fb5527c0f28c02cf4f5d2d910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5d6b9b816f3faf17321055705cc7456c09c39fb5527c0f28c02cf4f5d2d910", kill_on_drop: false }`
[INFO] [stdout] 5e5d6b9b816f3faf17321055705cc7456c09c39fb5527c0f28c02cf4f5d2d910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6962dbf75f7e4e8bb852e3075ee56327711350eda62041f4aa91a9ef8c70757c
[INFO] running `Command { std: "docker" "start" "-a" "6962dbf75f7e4e8bb852e3075ee56327711350eda62041f4aa91a9ef8c70757c", 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/hashseq-31570dbeedaaa812)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test hashseq::test::test_add_twice_then_remove_both ... ok
[INFO] [stdout] test hashseq::test::test_common_prefix_isnt_duplicated_simple ... ok
[INFO] [stdout] test hashseq::test::test_faulty_if_insert_refers_to_non_existant_inserts ... ok
[INFO] [stdout] test hashseq::test::test_faulty_remove ... ok
[INFO] [stdout] test hashseq::test::test_faulty_if_left_right_constraints_overlap ... ok
[INFO] [stdout] test hashseq::test::test_insert_at_end ... ok
[INFO] [stdout] test hashseq::test::test_insert_batch ... ok
[INFO] [stdout] test hashseq::test::test_insert_delete_then_reinsert ... ok
[INFO] [stdout] test hashseq::test::test_insert_different_chars_at_front ... ok
[INFO] [stdout] test hashseq::test::test_insert_same_char_at_front ... ok
[INFO] [stdout] test hashseq::test::test_concurrent_inserts ... ok
[INFO] [stdout] test hashseq::test::test_common_prefix_isnt_duplicated ... ok
[INFO] [stdout] test hashseq::test::prop_vec_model ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hashseq-b7b91c6882c3cfd4)
[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 hashseq
[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" "6962dbf75f7e4e8bb852e3075ee56327711350eda62041f4aa91a9ef8c70757c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6962dbf75f7e4e8bb852e3075ee56327711350eda62041f4aa91a9ef8c70757c", kill_on_drop: false }`
[INFO] [stdout] 6962dbf75f7e4e8bb852e3075ee56327711350eda62041f4aa91a9ef8c70757c