[INFO] fetching crate huffc 0.1.1...
[INFO] testing huffc-0.1.1 against 1.93.0 for beta-1.94-1
[INFO] extracting crate huffc 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate huffc 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate huffc 0.1.1
[INFO] tweaked toml for crates.io crate huffc 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate huffc 0.1.1 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate huffc 0.1.1 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.5.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5033902053615f17b2b43186afc0e514b1e4d197fea0affefef9e3ce7e612cc
[INFO] running `Command { std: "docker" "start" "-a" "c5033902053615f17b2b43186afc0e514b1e4d197fea0affefef9e3ce7e612cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5033902053615f17b2b43186afc0e514b1e4d197fea0affefef9e3ce7e612cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5033902053615f17b2b43186afc0e514b1e4d197fea0affefef9e3ce7e612cc", kill_on_drop: false }`
[INFO] [stdout] c5033902053615f17b2b43186afc0e514b1e4d197fea0affefef9e3ce7e612cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ead54ce298601e0e809a160c05bc7aaad91bb9c2d9442b687c497a158495797
[INFO] running `Command { std: "docker" "start" "-a" "4ead54ce298601e0e809a160c05bc7aaad91bb9c2d9442b687c497a158495797", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling clap v4.5.31
[INFO] [stderr]    Compiling huffc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "4ead54ce298601e0e809a160c05bc7aaad91bb9c2d9442b687c497a158495797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ead54ce298601e0e809a160c05bc7aaad91bb9c2d9442b687c497a158495797", kill_on_drop: false }`
[INFO] [stdout] 4ead54ce298601e0e809a160c05bc7aaad91bb9c2d9442b687c497a158495797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1000decc3963c0f58661de3e56e5357454db95da5944e85ef6781542626d6af8
[INFO] running `Command { std: "docker" "start" "-a" "1000decc3963c0f58661de3e56e5357454db95da5944e85ef6781542626d6af8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling huffc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.26s
[INFO] running `Command { std: "docker" "inspect" "1000decc3963c0f58661de3e56e5357454db95da5944e85ef6781542626d6af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1000decc3963c0f58661de3e56e5357454db95da5944e85ef6781542626d6af8", kill_on_drop: false }`
[INFO] [stdout] 1000decc3963c0f58661de3e56e5357454db95da5944e85ef6781542626d6af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 414d94fc220f859c492895429c2b7f386945b2f202de3df4142bbbd5e600e8a8
[INFO] running `Command { std: "docker" "start" "-a" "414d94fc220f859c492895429c2b7f386945b2f202de3df4142bbbd5e600e8a8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffc-0d47f598f527c43f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::build_encoded_map_from_huffman_array ... ok
[INFO] [stdout] test tests::find_and_pop_min_not_empty ... ok
[INFO] [stdout] test tests::serialize_huffman_test ... ok
[INFO] [stdout] test tests::test_deserialize_huffman ... ok
[INFO] [stdout] test tests::build_huffman_tree_test_simple ... ok
[INFO] [stdout] test tests::find_and_pop_min_empty ... ok
[INFO] [stdout] test tests::build_small_huffman_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/huffc-735da7e68b073da4)
[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]      Running tests/full_cycle.rs (/opt/rustwide/target/debug/deps/full_cycle-aaab1186b005eff5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test serialize_and_deserialize_test ... ok
[INFO] [stderr]    Doc-tests huffc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/fs.rs - fs (line 20) ... ok
[INFO] [stdout] test src/fs.rs - fs (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/fs.rs - fs (line 14) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (92) panicked at /opt/rustwide/workdir/src/fs.rs:50:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5aa3d45e8232 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5aa3d45e8232 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5aa3d45e8232 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5aa3d45e8232 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5aa3d45f6cf7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5aa3d45f6cf7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5aa3d45c7376 - std::io::default_write_fmt::hdea1c6df292e9097
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5aa3d45c7376 - std::io::Write::write_fmt::ha6a1d6c1ea64b2d0
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5aa3d45cdd76 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5aa3d45cdd76 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5aa3d45cdbd6 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5aa3d45cdfbb - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5aa3d45cde38 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5aa3d45cc529 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   14:     0x5aa3d45bc15d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5aa3d45f9e0c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5aa3d45f9702 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5aa3d45b8de7 - huffc::fs::write_file::h7d3f0e69dcd3d157
[INFO] [stdout]   18:     0x5aa3d45b9836 - rust_out::main::_doctest_main_src_fs_rs_14_0::h6fe357170a5e74be
[INFO] [stdout]   19:     0x5aa3d45b97c6 - rust_out::main::hddb47a63e130bd9b
[INFO] [stdout]   20:     0x5aa3d45b8433 - core::ops::function::FnOnce::call_once::h96beabba765cc134
[INFO] [stdout]   21:     0x5aa3d45b8296 - std::sys::backtrace::__rust_begin_short_backtrace::hfbfc9999389ebc3c
[INFO] [stdout]   22:     0x5aa3d45b8209 - std::rt::lang_start::{{closure}}::h80a253ee4580ed9e
[INFO] [stdout]   23:     0x5aa3d45c85f6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h52f3341f83ee0b20
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x5aa3d45c85f6 - std::panicking::catch_unwind::do_call::h14dbcc353f10da05
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   25:     0x5aa3d45c85f6 - std::panicking::catch_unwind::h0f5e61927052bc65
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x5aa3d45c85f6 - std::panic::catch_unwind::h8d8992fccbbe3818
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5aa3d45c85f6 - std::rt::lang_start_internal::{{closure}}::h2586bbc303a85ad8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5aa3d45c85f6 - std::panicking::catch_unwind::do_call::h68525f29457c7630
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5aa3d45c85f6 - std::panicking::catch_unwind::h9d0806e64d8b7d77
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5aa3d45c85f6 - std::panic::catch_unwind::h9b43c59c05f0dec3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5aa3d45c85f6 - std::rt::lang_start_internal::h74b643a2cc7fe3b4
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5aa3d45b81f1 - std::rt::lang_start::ha74422474068e822
[INFO] [stdout]   33:     0x5aa3d45b9875 - main
[INFO] [stdout]   34:     0x702fca6981ca - <unknown>
[INFO] [stdout]   35:     0x702fca69828b - __libc_start_main
[INFO] [stdout]   36:     0x5aa3d45b7c85 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/fs.rs - fs (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "414d94fc220f859c492895429c2b7f386945b2f202de3df4142bbbd5e600e8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414d94fc220f859c492895429c2b7f386945b2f202de3df4142bbbd5e600e8a8", kill_on_drop: false }`
[INFO] [stdout] 414d94fc220f859c492895429c2b7f386945b2f202de3df4142bbbd5e600e8a8
