[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] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[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] checking indutny/append-multi-log against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] checking indutny/append-multi-log against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findutny%2Fappend-multi-log" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/indutny/append-multi-log on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "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-1-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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d5b33bde8f1fb5ec7a3a00a55fd6fcea17c1dc18c798556a18dcf0bf3aa6fbd
[INFO] running `Command { std: "docker" "start" "-a" "6d5b33bde8f1fb5ec7a3a00a55fd6fcea17c1dc18c798556a18dcf0bf3aa6fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5b33bde8f1fb5ec7a3a00a55fd6fcea17c1dc18c798556a18dcf0bf3aa6fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5b33bde8f1fb5ec7a3a00a55fd6fcea17c1dc18c798556a18dcf0bf3aa6fbd", kill_on_drop: false }`
[INFO] [stdout] 6d5b33bde8f1fb5ec7a3a00a55fd6fcea17c1dc18c798556a18dcf0bf3aa6fbd
[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=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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5fb783dd0dd2b8736e9402ab85db8f74792058c4a782861e015eb4007652984
[INFO] running `Command { std: "docker" "start" "-a" "b5fb783dd0dd2b8736e9402ab85db8f74792058c4a782861e015eb4007652984", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking append-log v0.1.4-dev
[INFO] [stderr]     Checking 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]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tempfile v3.0.7
[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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "b5fb783dd0dd2b8736e9402ab85db8f74792058c4a782861e015eb4007652984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fb783dd0dd2b8736e9402ab85db8f74792058c4a782861e015eb4007652984", kill_on_drop: false }`
[INFO] [stdout] b5fb783dd0dd2b8736e9402ab85db8f74792058c4a782861e015eb4007652984