[INFO] cloning repository https://github.com/lukas-hen/compression_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukas-hen/compression_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukas-hen%2Fcompression_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukas-hen%2Fcompression_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45418c3ddabd06d680ba59a54154f8cca15e62dc
[INFO] testing lukas-hen/compression_rs against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukas-hen%2Fcompression_rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukas-hen/compression_rs
[INFO] finished tweaking git repo https://github.com/lukas-hen/compression_rs
[INFO] tweaked toml for git repo https://github.com/lukas-hen/compression_rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukas-hen/compression_rs on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukas-hen/compression_rs 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32b8066a92a0e15af193c106024f3247d0dad920fab53ddd258d4720284f4b20
[INFO] running `Command { std: "docker" "start" "-a" "32b8066a92a0e15af193c106024f3247d0dad920fab53ddd258d4720284f4b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b8066a92a0e15af193c106024f3247d0dad920fab53ddd258d4720284f4b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b8066a92a0e15af193c106024f3247d0dad920fab53ddd258d4720284f4b20", kill_on_drop: false }`
[INFO] [stdout] 32b8066a92a0e15af193c106024f3247d0dad920fab53ddd258d4720284f4b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb39dc0b7c06f4c627c6b06f14360caaa8e9f952e46fcfeab04c9bba0fe7ba4
[INFO] running `Command { std: "docker" "start" "-a" "6cb39dc0b7c06f4c627c6b06f14360caaa8e9f952e46fcfeab04c9bba0fe7ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling compression_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `codes`
[INFO] [stdout]   --> src/huffman.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let codes: Vec<u32> = alphabet.into_iter().filter(|l| l.gt(&0u32)).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_codes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/huffman.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn decode(bytes: &[u8]) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]   --> src/huffman_dotfile.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn write(bytes: &[u8], filename: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/huffman_dotfile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl Node {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 114 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_dotfile_header` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn write_dotfile_header<T: Write>(w: &mut T) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_dotfile_label` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn write_dotfile_label<T, I, L>(w: &mut T, node_id: I, symbol: L) -> Result<(), Box<dyn Error>>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_dotfile_closure` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn write_dotfile_closure<T: Write>(w: &mut T) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_freq_table` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn build_freq_table(symbols: &[u8]) -> HashMap<u8, usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "6cb39dc0b7c06f4c627c6b06f14360caaa8e9f952e46fcfeab04c9bba0fe7ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb39dc0b7c06f4c627c6b06f14360caaa8e9f952e46fcfeab04c9bba0fe7ba4", kill_on_drop: false }`
[INFO] [stdout] 6cb39dc0b7c06f4c627c6b06f14360caaa8e9f952e46fcfeab04c9bba0fe7ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c403abe316625549d1cf7d9a665047d873679f3b9479e2d61ea1bcee606ae82
[INFO] running `Command { std: "docker" "start" "-a" "0c403abe316625549d1cf7d9a665047d873679f3b9479e2d61ea1bcee606ae82", kill_on_drop: false }`
[INFO] [stderr]    Compiling compression_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `codes`
[INFO] [stdout]   --> src/huffman.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let codes: Vec<u32> = alphabet.into_iter().filter(|l| l.gt(&0u32)).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_codes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/huffman.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn decode(bytes: &[u8]) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]   --> src/huffman_dotfile.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn write(bytes: &[u8], filename: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/huffman_dotfile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl Node {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 114 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_dotfile_header` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn write_dotfile_header<T: Write>(w: &mut T) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_dotfile_label` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn write_dotfile_label<T, I, L>(w: &mut T, node_id: I, symbol: L) -> Result<(), Box<dyn Error>>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_dotfile_closure` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn write_dotfile_closure<T: Write>(w: &mut T) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_freq_table` is never used
[INFO] [stdout]    --> src/huffman_dotfile.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn build_freq_table(symbols: &[u8]) -> HashMap<u8, usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "0c403abe316625549d1cf7d9a665047d873679f3b9479e2d61ea1bcee606ae82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c403abe316625549d1cf7d9a665047d873679f3b9479e2d61ea1bcee606ae82", kill_on_drop: false }`
[INFO] [stdout] 0c403abe316625549d1cf7d9a665047d873679f3b9479e2d61ea1bcee606ae82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cb527588fcbf61d4b3424a413ec30b8a543cf32770ec4c0e7ef8227ded47615
[INFO] running `Command { std: "docker" "start" "-a" "1cb527588fcbf61d4b3424a413ec30b8a543cf32770ec4c0e7ef8227ded47615", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `codes`
[INFO] [stderr]   --> src/huffman.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let codes: Vec<u32> = alphabet.into_iter().filter(|l| l.gt(&0u32)).collect();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_codes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]   --> src/huffman.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn decode(bytes: &[u8]) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: function `write` is never used
[INFO] [stderr]   --> src/huffman_dotfile.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn write(bytes: &[u8], filename: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]    --> src/huffman_dotfile.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 | struct Node {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/huffman_dotfile.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 113 | impl Node {
[INFO] [stderr]     | --------- associated function in this implementation
[INFO] [stderr] 114 |     fn new(
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_dotfile_header` is never used
[INFO] [stderr]    --> src/huffman_dotfile.rs:147:4
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn write_dotfile_header<T: Write>(w: &mut T) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_dotfile_label` is never used
[INFO] [stderr]    --> src/huffman_dotfile.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn write_dotfile_label<T, I, L>(w: &mut T, node_id: I, symbol: L) -> Result<(), Box<dyn Error>>
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_dotfile_closure` is never used
[INFO] [stderr]    --> src/huffman_dotfile.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn write_dotfile_closure<T: Write>(w: &mut T) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_freq_table` is never used
[INFO] [stderr]    --> src/huffman_dotfile.rs:170:4
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn build_freq_table(symbols: &[u8]) -> HashMap<u8, usize> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `compression_rs` (bin "compression_rs" test) generated 9 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/compression_rs-c2bb83643ac3d817)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test huffman::tests::bit_writer_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- huffman::tests::bit_writer_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'huffman::tests::bit_writer_test' panicked at src/huffman.rs:342:44:
[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:     0x595d7ee515d2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x595d7ee515d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x595d7ee515d2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x595d7ee515d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x595d7ee76743 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x595d7ee76743 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x595d7ee4e4b3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x595d7ee4e4b3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x595d7ee51422 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x595d7ee52bec - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x595d7ee52a42 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x595d7ee1a1f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x595d7ee1a1f4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x595d7ee535cb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x595d7ee535cb - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x595d7ee5339a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x595d7ee51ac9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x595d7ee5302d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x595d7ee752c0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x595d7ee75636 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x595d7ede04c4 - core::result::Result<T,E>::unwrap::haa78c149f1a8af22
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x595d7ede04c4 - compression_rs::huffman::tests::bit_writer_test::h9015885ea97fd227
[INFO] [stdout]                                at /opt/rustwide/workdir/src/huffman.rs:342:44
[INFO] [stdout]   22:     0x595d7ede04c4 - compression_rs::huffman::tests::bit_writer_test::{{closure}}::he4978fc3b16f3d43
[INFO] [stdout]                                at /opt/rustwide/workdir/src/huffman.rs:340:25
[INFO] [stdout]   23:     0x595d7ede04c4 - core::ops::function::FnOnce::call_once::h88b973e74419ef6a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x595d7ee1f92b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x595d7ee1f92b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x595d7ee1eb6e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x595d7ee1eb6e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x595d7ee1eb6e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x595d7ee1eb6e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x595d7ee1eb6e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x595d7ee1eb6e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x595d7ee1eb6e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x595d7ede2714 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x595d7ede2714 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x595d7ede60ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x595d7ede60ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x595d7ede60ba - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x595d7ede60ba - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x595d7ede60ba - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x595d7ede60ba - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x595d7ede60ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x595d7ee56527 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x595d7ee56527 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x595d7ee56527 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x79cf29a2daa4 - <unknown>
[INFO] [stdout]   46:     0x79cf29abaa34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     huffman::tests::bit_writer_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin compression_rs`
[INFO] running `Command { std: "docker" "inspect" "1cb527588fcbf61d4b3424a413ec30b8a543cf32770ec4c0e7ef8227ded47615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb527588fcbf61d4b3424a413ec30b8a543cf32770ec4c0e7ef8227ded47615", kill_on_drop: false }`
[INFO] [stdout] 1cb527588fcbf61d4b3424a413ec30b8a543cf32770ec4c0e7ef8227ded47615
