[INFO] cloning repository https://github.com/MinusGix/r-sizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinusGix/r-sizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusGix%2Fr-sizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusGix%2Fr-sizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84d6b150d8d5bc20aac0397c97958917f75966a0
[INFO] checking MinusGix/r-sizer/84d6b150d8d5bc20aac0397c97958917f75966a0 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusGix%2Fr-sizer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinusGix/r-sizer on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MinusGix/r-sizer
[INFO] finished tweaking git repo https://github.com/MinusGix/r-sizer
[INFO] tweaked toml for git repo https://github.com/MinusGix/r-sizer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MinusGix/r-sizer 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc82c7d1d407f702a57f2e9060d2e797dcc0328ef784ea9e9b6924be868136d1
[INFO] running `Command { std: "docker" "start" "-a" "fc82c7d1d407f702a57f2e9060d2e797dcc0328ef784ea9e9b6924be868136d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc82c7d1d407f702a57f2e9060d2e797dcc0328ef784ea9e9b6924be868136d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc82c7d1d407f702a57f2e9060d2e797dcc0328ef784ea9e9b6924be868136d1", kill_on_drop: false }`
[INFO] [stdout] fc82c7d1d407f702a57f2e9060d2e797dcc0328ef784ea9e9b6924be868136d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12ca7cc3e059a744d830b40c7e006da9f1845e5c8b0c3a06b37ffe49fe3aee0c
[INFO] running `Command { std: "docker" "start" "-a" "12ca7cc3e059a744d830b40c7e006da9f1845e5c8b0c3a06b37ffe49fe3aee0c", kill_on_drop: false }`
[INFO] [stderr]     Checking sizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:383:52
[INFO] [stdout]     |
[INFO] [stdout] 383 |         OwnedInstanceRef::<FieldValue>::new(5, 4, |i| FieldValue { invalid: () }).unwrap();
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:383:52
[INFO] [stdout]     |
[INFO] [stdout] 383 |         OwnedInstanceRef::<FieldValue>::new(5, 4, |i| FieldValue { invalid: () }).unwrap();
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_mut_slice` and `get` are never used
[INFO] [stdout]    --> src/main.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<T: Sized> OwnedInstanceRef<T> {
[INFO] [stdout]     | ---------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 276 |     pub fn as_mut_slice(&mut self) -> &mut [T] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn get(&self, i: u16) -> Option<&T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_mut_slice` and `get` are never used
[INFO] [stdout]    --> src/main.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<T: Sized> OwnedInstanceRef<T> {
[INFO] [stdout]     | ---------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 276 |     pub fn as_mut_slice(&mut self) -> &mut [T] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn get(&self, i: u16) -> Option<&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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "12ca7cc3e059a744d830b40c7e006da9f1845e5c8b0c3a06b37ffe49fe3aee0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ca7cc3e059a744d830b40c7e006da9f1845e5c8b0c3a06b37ffe49fe3aee0c", kill_on_drop: false }`
[INFO] [stdout] 12ca7cc3e059a744d830b40c7e006da9f1845e5c8b0c3a06b37ffe49fe3aee0c