[INFO] fetching crate ff_structure 0.3.0...
[INFO] testing ff_structure-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate ff_structure 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ff_structure 0.3.0
[INFO] finished tweaking crates.io crate ff_structure 0.3.0
[INFO] tweaked toml for crates.io crate ff_structure 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ff_structure 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ff_structure 0.3.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3362a6e675e772047fa1f4cfaf5ffbc1fda807be5aa53d53d404aeb49f744736
[INFO] running `Command { std: "docker" "start" "-a" "3362a6e675e772047fa1f4cfaf5ffbc1fda807be5aa53d53d404aeb49f744736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3362a6e675e772047fa1f4cfaf5ffbc1fda807be5aa53d53d404aeb49f744736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3362a6e675e772047fa1f4cfaf5ffbc1fda807be5aa53d53d404aeb49f744736", kill_on_drop: false }`
[INFO] [stdout] 3362a6e675e772047fa1f4cfaf5ffbc1fda807be5aa53d53d404aeb49f744736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b08e6ec0309c4ad69af8303376753d719ba723986410c238a8e30e0d41cac0
[INFO] running `Command { std: "docker" "start" "-a" "d3b08e6ec0309c4ad69af8303376753d719ba723986410c238a8e30e0d41cac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling ff_structure v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "d3b08e6ec0309c4ad69af8303376753d719ba723986410c238a8e30e0d41cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b08e6ec0309c4ad69af8303376753d719ba723986410c238a8e30e0d41cac0", kill_on_drop: false }`
[INFO] [stdout] d3b08e6ec0309c4ad69af8303376753d719ba723986410c238a8e30e0d41cac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed0bc93ccb87a7ae2da9afeece956ab87cb02c53f89e66f8949fadfc42b6aa7
[INFO] running `Command { std: "docker" "start" "-a" "3ed0bc93ccb87a7ae2da9afeece956ab87cb02c53f89e66f8949fadfc42b6aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff_structure v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "3ed0bc93ccb87a7ae2da9afeece956ab87cb02c53f89e66f8949fadfc42b6aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed0bc93ccb87a7ae2da9afeece956ab87cb02c53f89e66f8949fadfc42b6aa7", kill_on_drop: false }`
[INFO] [stdout] 3ed0bc93ccb87a7ae2da9afeece956ab87cb02c53f89e66f8949fadfc42b6aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 340a9a0fc2c4e87a707895ce5c3de1791ead7ae45634bb9e9292230a67d6aa68
[INFO] running `Command { std: "docker" "start" "-a" "340a9a0fc2c4e87a707895ce5c3de1791ead7ae45634bb9e9292230a67d6aa68", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ff_structure-778811dcacb60653)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test dotbracket::tests::test_char_from_dot_bracket ... ok
[INFO] [stdout] test dotbracket::tests::test_dot_bracket_from_char ... ok
[INFO] [stdout] test dotbracket::tests::test_dot_bracket_from_invalid_char ... ok
[INFO] [stdout] test dotbracket::tests::test_dot_bracket_vec_from_multi_pair_table ... ok
[INFO] [stdout] test dotbracket::tests::test_dot_bracket_vec_from_multi_pair_table_hack ... ok
[INFO] [stdout] test dotbracket::tests::test_dot_bracket_vec_from_pair_table ... ok
[INFO] [stdout] test loop_table::tests::test_deref_loop_table_len_indexing ... ok
[INFO] [stdout] test dotbracket::tests::test_dot_bracket_vec_from_str ... ok
[INFO] [stdout] test loop_table::tests::test_loop_table_self_pairing_panics ... ok
[INFO] [stdout] test loop_table::tests::test_loop_table_display ... ok
[INFO] [stdout] test loop_table::tests::test_loop_table_unpaired_structure ... ok
[INFO] [stdout] test loop_table::tests::test_pair_table_to_loop_index_01 ... ok
[INFO] [stdout] test loop_table::tests::test_loop_table_valid_structure ... ok
[INFO] [stdout] test loop_table::tests::test_pair_table_to_loop_index_02 ... ok
[INFO] [stdout] test loop_table::tests::test_pair_table_to_loop_index_03 ... ok
[INFO] [stdout] test multi_pair_table::tests::test_multi_pair_table_empty ... ok
[INFO] [stdout] test multi_pair_table::tests::test_multi_pair_table_invalid_01 ... ok
[INFO] [stdout] test multi_pair_table::tests::test_multi_pair_table_invalid_02 ... ok
[INFO] [stdout] test multi_pair_table::tests::test_multi_pair_table_multi ... ok
[INFO] [stdout] test multi_pair_table::tests::test_multi_pair_table_single ... ok
[INFO] [stdout] test multi_pair_table::tests::test_strand_pair_table ... ok
[INFO] [stdout] test multi_pair_table::tests::test_strand_pair_table_hack ... ok
[INFO] [stdout] test pair_set::tests::test_display ... ok
[INFO] [stdout] test pair_set::tests::test_pair_key_roundtrip ... ok
[INFO] [stdout] test pair_set::tests::test_pair_list_from_pair_table ... ok
[INFO] [stdout] test pair_table::tests::test_invalid_token ... ok
[INFO] [stdout] test pair_table::tests::test_unmatched_close ... ok
[INFO] [stdout] test pair_table::tests::test_unmatched_open ... ok
[INFO] [stdout] test pair_table::tests::test_well_formed_empty_interval ... ok
[INFO] [stdout] test pair_table::tests::test_well_formed_pairings_within_interval ... ok
[INFO] [stdout] test pair_table::tests::test_valid_pair_table ... ok
[INFO] [stdout] test pair_table::tests::test_well_formed_out_of_bounds_assert - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ff_structure
[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" "340a9a0fc2c4e87a707895ce5c3de1791ead7ae45634bb9e9292230a67d6aa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340a9a0fc2c4e87a707895ce5c3de1791ead7ae45634bb9e9292230a67d6aa68", kill_on_drop: false }`
[INFO] [stdout] 340a9a0fc2c4e87a707895ce5c3de1791ead7ae45634bb9e9292230a67d6aa68