[INFO] fetching crate standard_library 0.1.0...
[INFO] testing standard_library-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate standard_library 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate standard_library 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate standard_library 0.1.0
[INFO] tweaked toml for crates.io crate standard_library 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate standard_library 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate standard_library 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `standard_library` which is deprecated
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7011bc054cb50fe22bccfba29adca12d8184d915fbc6b90b5fae717ca1223ca
[INFO] running `Command { std: "docker" "start" "-a" "f7011bc054cb50fe22bccfba29adca12d8184d915fbc6b90b5fae717ca1223ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7011bc054cb50fe22bccfba29adca12d8184d915fbc6b90b5fae717ca1223ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7011bc054cb50fe22bccfba29adca12d8184d915fbc6b90b5fae717ca1223ca", kill_on_drop: false }`
[INFO] [stdout] f7011bc054cb50fe22bccfba29adca12d8184d915fbc6b90b5fae717ca1223ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1f24a532864924ed738c621c7c347950ec9e3465ff39a7c5b28e86254ffabba
[INFO] running `Command { std: "docker" "start" "-a" "a1f24a532864924ed738c621c7c347950ec9e3465ff39a7c5b28e86254ffabba", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `standard_library` which is deprecated
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling positioned-io v0.3.3
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling logos v0.12.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling assert-type-eq v0.1.0
[INFO] [stderr]    Compiling merkletree v0.23.0
[INFO] [stderr]    Compiling env-file-reader v0.3.0
[INFO] [stderr]    Compiling standard_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `T` is never used
[INFO] [stdout]   --> src/bug/mod.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait T {}
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "a1f24a532864924ed738c621c7c347950ec9e3465ff39a7c5b28e86254ffabba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f24a532864924ed738c621c7c347950ec9e3465ff39a7c5b28e86254ffabba", kill_on_drop: false }`
[INFO] [stdout] a1f24a532864924ed738c621c7c347950ec9e3465ff39a7c5b28e86254ffabba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b38989c10ea1c8d072e8576c33e8a55011c5d3c7b3f8a38aa3f80586064ffc6f
[INFO] running `Command { std: "docker" "start" "-a" "b38989c10ea1c8d072e8576c33e8a55011c5d3c7b3f8a38aa3f80586064ffc6f", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `standard_library` which is deprecated
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling merkletree v0.23.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling standard_library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `T` is never used
[INFO] [stdout]   --> src/bug/mod.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait T {}
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: trait `T` is never used
[INFO] [stdout]   --> src/bug/mod.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait T {}
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "b38989c10ea1c8d072e8576c33e8a55011c5d3c7b3f8a38aa3f80586064ffc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38989c10ea1c8d072e8576c33e8a55011c5d3c7b3f8a38aa3f80586064ffc6f", kill_on_drop: false }`
[INFO] [stdout] b38989c10ea1c8d072e8576c33e8a55011c5d3c7b3f8a38aa3f80586064ffc6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78a745a2f1508c2f4a7774903d87ddbb8cecf337e5d9732eb392d299f4d0c4df
[INFO] running `Command { std: "docker" "start" "-a" "78a745a2f1508c2f4a7774903d87ddbb8cecf337e5d9732eb392d299f4d0c4df", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `standard_library` which is deprecated
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr] warning: trait `T` is never used
[INFO] [stderr]   --> src/bug/mod.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 | trait T {}
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `standard_library` (lib) generated 1 warning
[INFO] [stderr] warning: `standard_library` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/standard_library-4f9a8414db2ce798)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test tests::negative_test_case_tolerate_fault ... ok
[INFO] [stdout] test tests::read_file_content ... ok
[INFO] [stdout] test tests::recoverable_errors ... ok
[INFO] [stdout] test tests::test_average_collection ... ok
[INFO] [stdout] test tests::test_as_byte_array_from_string ... ok
[INFO] [stdout] test tests::test_ascii ... ok
[INFO] [stdout] test tests::test_binary_octal_decimal_hex ... ok
[INFO] [stdout] test tests::test_borrow_lifetime ... ok
[INFO] [stdout] test tests::test_btree_set_overload ... ok
[INFO] [stdout] test tests::test_character ... ok
[INFO] [stdout] test tests::test_deref ... ok
[INFO] [stdout] test tests::test_filter ... ok
[INFO] [stdout] test tests::test_generate_request_header ... ok
[INFO] [stdout] test tests::test_hashmap ... ok
[INFO] [stdout] test tests::test_coordinates ... ok
[INFO] [stdout] test tests::test_generics ... ok
[INFO] [stdout] test tests::test_calendar ... ok
[INFO] [stdout] test tests::test_lifetime_first_word ... ok
[INFO] [stdout] test tests::test_longest_with_announcement ... ok
[INFO] [stdout] test tests::test_no_fault ... ok
[INFO] [stdout] test tests::test_mutex ... ok
[INFO] [stdout] test tests::test_node ... ok
[INFO] [stdout] test tests::test_planet ... ok
[INFO] [stdout] test tests::test_random ... ok
[INFO] [stdout] test tests::test_rectangle ... ok
[INFO] [stdout] test tests::test_declarative_macros ... ok
[INFO] [stdout] test tests::test_ref_counter ... ok
[INFO] [stdout] test tests::test_ref_cell ... ok
[INFO] [stdout] test tests::test_sphere ... ok
[INFO] [stdout] test tests::test_smart_pointer ... ok
[INFO] [stdout] test tests::test_generic_f0 ... ok
[INFO] [stdout] test tests::test_string_slice ... ok
[INFO] [stdout] test tests::test_parse_string_to_i32 ... ok
[INFO] [stdout] test tests::test_power ... ok
[INFO] [stdout] test tests::test_str ... ok
[INFO] [stdout] test tests::test_unicode_transformation_format_8 ... ok
[INFO] [stdout] test tests::test_human ... ok
[INFO] [stdout] test tests::test_lifetime_longest ... ok
[INFO] [stdout] test tests::test_thread_join ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests standard_library
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - bug (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78a745a2f1508c2f4a7774903d87ddbb8cecf337e5d9732eb392d299f4d0c4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a745a2f1508c2f4a7774903d87ddbb8cecf337e5d9732eb392d299f4d0c4df", kill_on_drop: false }`
[INFO] [stdout] 78a745a2f1508c2f4a7774903d87ddbb8cecf337e5d9732eb392d299f4d0c4df
