[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] checking martinus/rust-throttler against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinus%2Frust-throttler" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinus/rust-throttler on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b6ccdec2426b2d86b5134f9d2ad535016dd6e49a4597a83317c007caa7c67e
[INFO] running `Command { std: "docker" "start" "-a" "a5b6ccdec2426b2d86b5134f9d2ad535016dd6e49a4597a83317c007caa7c67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b6ccdec2426b2d86b5134f9d2ad535016dd6e49a4597a83317c007caa7c67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b6ccdec2426b2d86b5134f9d2ad535016dd6e49a4597a83317c007caa7c67e", kill_on_drop: false }`
[INFO] [stdout] a5b6ccdec2426b2d86b5134f9d2ad535016dd6e49a4597a83317c007caa7c67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ad5481f02ccf6fa0caa5dfcec3f254cac97362207d777dfa0545a863c9ee4d
[INFO] running `Command { std: "docker" "start" "-a" "42ad5481f02ccf6fa0caa5dfcec3f254cac97362207d777dfa0545a863c9ee4d", 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 serde v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking 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: 2 warnings emitted
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "42ad5481f02ccf6fa0caa5dfcec3f254cac97362207d777dfa0545a863c9ee4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ad5481f02ccf6fa0caa5dfcec3f254cac97362207d777dfa0545a863c9ee4d", kill_on_drop: false }`
[INFO] [stdout] 42ad5481f02ccf6fa0caa5dfcec3f254cac97362207d777dfa0545a863c9ee4d