[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#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinus%2Frust-throttler" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinus/rust-throttler on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd904f627a10b8327df15e23f57cc60b5e5f1407209ccf0f13ea4e39bc278399
[INFO] running `Command { std: "docker" "start" "-a" "cd904f627a10b8327df15e23f57cc60b5e5f1407209ccf0f13ea4e39bc278399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd904f627a10b8327df15e23f57cc60b5e5f1407209ccf0f13ea4e39bc278399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd904f627a10b8327df15e23f57cc60b5e5f1407209ccf0f13ea4e39bc278399", kill_on_drop: false }`
[INFO] [stdout] cd904f627a10b8327df15e23f57cc60b5e5f1407209ccf0f13ea4e39bc278399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d88b18e5741b005395714a881365afcb8812c488b218c23de84f27f54fe26b6d
[INFO] running `Command { std: "docker" "start" "-a" "d88b18e5741b005395714a881365afcb8812c488b218c23de84f27f54fe26b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking unicode-width v0.1.8
[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 `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 `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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "d88b18e5741b005395714a881365afcb8812c488b218c23de84f27f54fe26b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88b18e5741b005395714a881365afcb8812c488b218c23de84f27f54fe26b6d", kill_on_drop: false }`
[INFO] [stdout] d88b18e5741b005395714a881365afcb8812c488b218c23de84f27f54fe26b6d
[INFO] checking martinus/rust-throttler against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinus%2Frust-throttler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinus/rust-throttler on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-2-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4c5584f259ddda57db40cdae69473de3b63577079e514f310e63692d50236f
[INFO] running `Command { std: "docker" "start" "-a" "ad4c5584f259ddda57db40cdae69473de3b63577079e514f310e63692d50236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4c5584f259ddda57db40cdae69473de3b63577079e514f310e63692d50236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4c5584f259ddda57db40cdae69473de3b63577079e514f310e63692d50236f", kill_on_drop: false }`
[INFO] [stdout] ad4c5584f259ddda57db40cdae69473de3b63577079e514f310e63692d50236f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42c3ac400eaaac02266761c4ed4db33df04ebc93829c0299a5a5876a18632a66
[INFO] running `Command { std: "docker" "start" "-a" "42c3ac400eaaac02266761c4ed4db33df04ebc93829c0299a5a5876a18632a66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[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]     Checking unicode-width v0.1.8
[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 13.59s
[INFO] running `Command { std: "docker" "inspect" "42c3ac400eaaac02266761c4ed4db33df04ebc93829c0299a5a5876a18632a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c3ac400eaaac02266761c4ed4db33df04ebc93829c0299a5a5876a18632a66", kill_on_drop: false }`
[INFO] [stdout] 42c3ac400eaaac02266761c4ed4db33df04ebc93829c0299a5a5876a18632a66