[INFO] cloning repository https://github.com/Robert-Cunningham/yeet-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Robert-Cunningham/yeet-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobert-Cunningham%2Fyeet-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobert-Cunningham%2Fyeet-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f64f2f11aca089cecb36f0319771e6e83a872407
[INFO] checking Robert-Cunningham/yeet-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobert-Cunningham%2Fyeet-rs" "/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/Robert-Cunningham/yeet-rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Robert-Cunningham/yeet-rs
[INFO] finished tweaking git repo https://github.com/Robert-Cunningham/yeet-rs
[INFO] tweaked toml for git repo https://github.com/Robert-Cunningham/yeet-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Robert-Cunningham/yeet-rs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded procfs v0.12.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a3199d1541853c4e430d289a4b1e432e8cecf396d7512e1e454ea68251611b0
[INFO] running `Command { std: "docker" "start" "-a" "0a3199d1541853c4e430d289a4b1e432e8cecf396d7512e1e454ea68251611b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3199d1541853c4e430d289a4b1e432e8cecf396d7512e1e454ea68251611b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3199d1541853c4e430d289a4b1e432e8cecf396d7512e1e454ea68251611b0", kill_on_drop: false }`
[INFO] [stdout] 0a3199d1541853c4e430d289a4b1e432e8cecf396d7512e1e454ea68251611b0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4b246d8570fb56f1a215d0da35dd21225f74582db31629b2777780bc028dceb
[INFO] running `Command { std: "docker" "start" "-a" "e4b246d8570fb56f1a215d0da35dd21225f74582db31629b2777780bc028dceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking procfs v0.12.0
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking yeet-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `send_sigkill`
[INFO] [stdout]  --> src/main.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::os::{get_pids, is_root, send_sigkill, send_sigterm};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `send_sigkill`
[INFO] [stdout]  --> src/main.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::os::{get_pids, is_root, send_sigkill, send_sigterm};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_sigkill` is never used
[INFO] [stdout]   --> src/linux.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn send_sigkill(target_pids: &Vec<i32>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_sigkill` is never used
[INFO] [stdout]   --> src/linux.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn send_sigkill(target_pids: &Vec<i32>) {
[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 4.56s
[INFO] running `Command { std: "docker" "inspect" "e4b246d8570fb56f1a215d0da35dd21225f74582db31629b2777780bc028dceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b246d8570fb56f1a215d0da35dd21225f74582db31629b2777780bc028dceb", kill_on_drop: false }`
[INFO] [stdout] e4b246d8570fb56f1a215d0da35dd21225f74582db31629b2777780bc028dceb