[INFO] fetching crate clamped 1.0.0...
[INFO] checking clamped-1.0.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate clamped 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate clamped 1.0.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clamped 1.0.0
[INFO] finished tweaking crates.io crate clamped 1.0.0
[INFO] tweaked toml for crates.io crate clamped 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf52effb2e6dceb5fc7592eb9713b649e0acddea9d63b4ee2e6eea70fd80efa2
[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" "bf52effb2e6dceb5fc7592eb9713b649e0acddea9d63b4ee2e6eea70fd80efa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf52effb2e6dceb5fc7592eb9713b649e0acddea9d63b4ee2e6eea70fd80efa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf52effb2e6dceb5fc7592eb9713b649e0acddea9d63b4ee2e6eea70fd80efa2", kill_on_drop: false }`
[INFO] [stdout] bf52effb2e6dceb5fc7592eb9713b649e0acddea9d63b4ee2e6eea70fd80efa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0b4509532e5fb5b4e5b4802a186b4d6778088e4bd9a5077dc138c36c4482bb
[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" "6f0b4509532e5fb5b4e5b4802a186b4d6778088e4bd9a5077dc138c36c4482bb", kill_on_drop: false }`
[INFO] [stderr]     Checking clamped v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! clamp {
[INFO] [stdout] 13 | |     ($val:expr, $min:expr, $max:expr) => {
[INFO] [stdout] 14 | |         if $val < $min {
[INFO] [stdout] 15 | |             $min
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     };
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]  --> src/clamp_fn.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn clamp<T: PartialOrd>(value: T, min: T, max: T) -> T {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! clamp {
[INFO] [stdout] 13 | |     ($val:expr, $min:expr, $max:expr) => {
[INFO] [stdout] 14 | |         if $val < $min {
[INFO] [stdout] 15 | |             $min
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     };
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]  --> src/clamp_fn.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn clamp<T: PartialOrd>(value: T, min: T, max: T) -> T {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6f0b4509532e5fb5b4e5b4802a186b4d6778088e4bd9a5077dc138c36c4482bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0b4509532e5fb5b4e5b4802a186b4d6778088e4bd9a5077dc138c36c4482bb", kill_on_drop: false }`
[INFO] [stdout] 6f0b4509532e5fb5b4e5b4802a186b4d6778088e4bd9a5077dc138c36c4482bb