[INFO] fetching crate iro 0.0.1...
[INFO] checking iro-0.0.1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate iro 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate iro 0.0.1 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iro 0.0.1
[INFO] finished tweaking crates.io crate iro 0.0.1
[INFO] tweaked toml for crates.io crate iro 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate iro 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded partial-min-max v0.4.0
[INFO] [stderr]   Downloaded min-max v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e9ac3b042b690757a0f748d3fe61b7664474d03beae6cc6cb5d88a99f8e5d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40e9ac3b042b690757a0f748d3fe61b7664474d03beae6cc6cb5d88a99f8e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e9ac3b042b690757a0f748d3fe61b7664474d03beae6cc6cb5d88a99f8e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e9ac3b042b690757a0f748d3fe61b7664474d03beae6cc6cb5d88a99f8e5d1", kill_on_drop: false }`
[INFO] [stdout] 40e9ac3b042b690757a0f748d3fe61b7664474d03beae6cc6cb5d88a99f8e5d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57ed38166befbe11122c45bbc7e8df5afa41793cd1cc37f0f6ce98024aaa564
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f57ed38166befbe11122c45bbc7e8df5afa41793cd1cc37f0f6ce98024aaa564", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]     Checking partial-min-max v0.4.0
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]     Checking min-max v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking iro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `min_max::*`
[INFO] [stdout]  --> src/rgb.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use min_max::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(c: f32, m: f32, y: f32, k: f32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(c: u8, m: u8, y: u8, k: u8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RGB_SCALE`
[INFO] [stdout]  --> src/rgb.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const RGB_SCALE: u8 = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stdout] warning: unused import: `min_max::*`
[INFO] [stdout]  --> src/rgb.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use min_max::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(c: f32, m: f32, y: f32, k: f32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cmyk.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(c: u8, m: u8, y: u8, k: u8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RGB_SCALE`
[INFO] [stdout]  --> src/rgb.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) const RGB_SCALE: u8 = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.47s
[INFO] running `Command { std: "docker" "inspect" "f57ed38166befbe11122c45bbc7e8df5afa41793cd1cc37f0f6ce98024aaa564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57ed38166befbe11122c45bbc7e8df5afa41793cd1cc37f0f6ce98024aaa564", kill_on_drop: false }`
[INFO] [stdout] f57ed38166befbe11122c45bbc7e8df5afa41793cd1cc37f0f6ce98024aaa564