[INFO] cloning repository https://github.com/indutny/append-multi-log
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/indutny/append-multi-log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2169eb250dcd3477a1aabc9b72331e0597306b43
[INFO] testing indutny/append-multi-log against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/indutny/append-multi-log on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/indutny/append-multi-log
[INFO] finished tweaking git repo https://github.com/indutny/append-multi-log
[INFO] tweaked toml for git repo https://github.com/indutny/append-multi-log written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/indutny/append-multi-log 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-2024-12-08" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71f00ced86186ed42cd825cf60749c2bc2b97df4db02d6a134eb5629f124d285
[INFO] running `Command { std: "docker" "start" "-a" "71f00ced86186ed42cd825cf60749c2bc2b97df4db02d6a134eb5629f124d285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71f00ced86186ed42cd825cf60749c2bc2b97df4db02d6a134eb5629f124d285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f00ced86186ed42cd825cf60749c2bc2b97df4db02d6a134eb5629f124d285", kill_on_drop: false }`
[INFO] [stdout] 71f00ced86186ed42cd825cf60749c2bc2b97df4db02d6a134eb5629f124d285
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a918ed958509a627acaa288decd5e847a4da6cc22693c9a3dc1a2a0068b4cd64
[INFO] running `Command { std: "docker" "start" "-a" "a918ed958509a627acaa288decd5e847a4da6cc22693c9a3dc1a2a0068b4cd64", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling append-log v0.1.4-dev
[INFO] [stderr]    Compiling append-multi-log v0.1.0-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/error.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Error::Log(err) => write!(f, "Log error: {}", err),
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 28 |             Error::IO(err) => write!(f, "IO error: {}", err),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `options`, `logs`, and `log_count` are never read
[INFO] [stdout]   --> src/log.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MultiLog {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 10 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     options: Options,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     logs: Vec<Log>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     log_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `log_path` is never used
[INFO] [stdout]   --> src/log.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl MultiLog {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn log_path(path: &Path, index: usize) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "a918ed958509a627acaa288decd5e847a4da6cc22693c9a3dc1a2a0068b4cd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a918ed958509a627acaa288decd5e847a4da6cc22693c9a3dc1a2a0068b4cd64", kill_on_drop: false }`
[INFO] [stdout] a918ed958509a627acaa288decd5e847a4da6cc22693c9a3dc1a2a0068b4cd64
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee14532218111b529c3689e79c7b82d66f3a60f55e3dd38c86119c15b5b35e0
[INFO] running `Command { std: "docker" "start" "-a" "1ee14532218111b529c3689e79c7b82d66f3a60f55e3dd38c86119c15b5b35e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/error.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Error::Log(err) => write!(f, "Log error: {}", err),
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 28 |             Error::IO(err) => write!(f, "IO error: {}", err),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `options`, `logs`, and `log_count` are never read
[INFO] [stdout]   --> src/log.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MultiLog {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 10 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     options: Options,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     logs: Vec<Log>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     log_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `log_path` is never used
[INFO] [stdout]   --> src/log.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl MultiLog {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn log_path(path: &Path, index: usize) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling append-multi-log v0.1.0-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]   --> src/log.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     use tempfile::tempdir;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/error.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Error::Log(err) => write!(f, "Log error: {}", err),
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 28 |             Error::IO(err) => write!(f, "IO error: {}", err),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 29 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `append-multi-log` (lib test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/beta-2024-12-08-x86_64-unknown-linux-gnu/bin/rustc --crate-name append_multi_log --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=e954283e536efa62 -C extra-filename=-e954283e536efa62 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern append_log=/opt/rustwide/target/debug/deps/libappend_log-1618cda2415b40db.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-d858672688a291b6.rlib --cap-lints=warn` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1ee14532218111b529c3689e79c7b82d66f3a60f55e3dd38c86119c15b5b35e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee14532218111b529c3689e79c7b82d66f3a60f55e3dd38c86119c15b5b35e0", kill_on_drop: false }`
[INFO] [stdout] 1ee14532218111b529c3689e79c7b82d66f3a60f55e3dd38c86119c15b5b35e0
