[INFO] cloning repository https://github.com/martinus/rust-throttler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martinus/rust-throttler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinus%2Frust-throttler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinus%2Frust-throttler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66cb644769f8834f24c7a12bd69190a274e701f9
[INFO] testing martinus/rust-throttler against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinus%2Frust-throttler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinus/rust-throttler on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martinus/rust-throttler
[INFO] finished tweaking git repo https://github.com/martinus/rust-throttler
[INFO] tweaked toml for git repo https://github.com/martinus/rust-throttler written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/martinus/rust-throttler 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f8d1b9a29df6c3728b6bfd7f321ea7da6918c6c6fc8542aa203e2d9074ee643
[INFO] running `Command { std: "docker" "start" "-a" "3f8d1b9a29df6c3728b6bfd7f321ea7da6918c6c6fc8542aa203e2d9074ee643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8d1b9a29df6c3728b6bfd7f321ea7da6918c6c6fc8542aa203e2d9074ee643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8d1b9a29df6c3728b6bfd7f321ea7da6918c6c6fc8542aa203e2d9074ee643", kill_on_drop: false }`
[INFO] [stdout] 3f8d1b9a29df6c3728b6bfd7f321ea7da6918c6c6fc8542aa203e2d9074ee643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e0c862f73bb2760636f4c906dd0fde25efc32fb1c3a9b87e40dea69deafea8
[INFO] running `Command { std: "docker" "start" "-a" "78e0c862f73bb2760636f4c906dd0fde25efc32fb1c3a9b87e40dea69deafea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling throttler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `max_parallel` and `priority` are never read
[INFO] [stdout]   --> src/server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Throttling {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 23 |     max_parallel: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     priority: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Throttling` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default_priority` and `group` are never read
[INFO] [stdout]   --> src/server.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Config {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 29 |     num_threads: usize,
[INFO] [stdout] 30 |     default_priority: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     group: HashMap<String, Throttling>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.64s
[INFO] running `Command { std: "docker" "inspect" "78e0c862f73bb2760636f4c906dd0fde25efc32fb1c3a9b87e40dea69deafea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e0c862f73bb2760636f4c906dd0fde25efc32fb1c3a9b87e40dea69deafea8", kill_on_drop: false }`
[INFO] [stdout] 78e0c862f73bb2760636f4c906dd0fde25efc32fb1c3a9b87e40dea69deafea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed801760fe9ea03cd9c48b3632113c24eaf0d179617388079d1a304a71f3feb
[INFO] running `Command { std: "docker" "start" "-a" "7ed801760fe9ea03cd9c48b3632113c24eaf0d179617388079d1a304a71f3feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling throttler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `max_parallel` and `priority` are never read
[INFO] [stdout]   --> src/server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Throttling {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 23 |     max_parallel: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     priority: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Throttling` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default_priority` and `group` are never read
[INFO] [stdout]   --> src/server.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Config {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 29 |     num_threads: usize,
[INFO] [stdout] 30 |     default_priority: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     group: HashMap<String, Throttling>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_parallel` and `priority` are never read
[INFO] [stdout]   --> src/server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Throttling {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 23 |     max_parallel: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     priority: i64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Throttling` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default_priority` and `group` are never read
[INFO] [stdout]   --> src/server.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Config {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 29 |     num_threads: usize,
[INFO] [stdout] 30 |     default_priority: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     group: HashMap<String, Throttling>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "7ed801760fe9ea03cd9c48b3632113c24eaf0d179617388079d1a304a71f3feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed801760fe9ea03cd9c48b3632113c24eaf0d179617388079d1a304a71f3feb", kill_on_drop: false }`
[INFO] [stdout] 7ed801760fe9ea03cd9c48b3632113c24eaf0d179617388079d1a304a71f3feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/6d80053ca277b5fa8934d2288fb9f01344b4089476bd14428a9266f439c2e772: no space left on device
