[INFO] fetching crate caoe 0.1.2...
[INFO] checking caoe-0.1.2 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate caoe 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate caoe 0.1.2
[INFO] finished tweaking crates.io crate caoe 0.1.2
[INFO] tweaked toml for crates.io crate caoe 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate caoe 0.1.2 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 85 packages to highest compatible versions
[INFO] [stderr]       Adding nix v0.22.3 (available: v0.31.3)
[INFO] [stderr]       Adding procspawn v0.10.3 (available: v1.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `caoe` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prctl v1.0.0
[INFO] [stderr]   Downloaded procspawn v0.10.3
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded ipc-channel v0.16.1
[INFO] [stderr]   Downloaded nix v0.22.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89
[INFO] running `Command { std: "docker" "start" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `caoe` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking rustc-demangle v0.1.28
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking uuid v1.26.1
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking prctl v1.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking caoe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         loop {
[INFO] [stdout] 95 | |             pause();
[INFO] [stdout] 96 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 97 |           return;
[INFO] [stdout]    |           ^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ipc-channel v0.16.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking procspawn v0.10.3
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         loop {
[INFO] [stdout] 95 | |             pause();
[INFO] [stdout] 96 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 97 |           return;
[INFO] [stdout]    |           ^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89", kill_on_drop: false }`
[INFO] [stdout] 0e090c60440cb6119adb8251cedfbf1743dd97dc18c175218ac064b539979e89
