[INFO] cloning repository https://github.com/landon1013/Rust-Characters-Strings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/landon1013/Rust-Characters-Strings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flandon1013%2FRust-Characters-Strings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flandon1013%2FRust-Characters-Strings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e85b96aef00900ccf1d5f19482c51a1741257815
[INFO] testing landon1013/Rust-Characters-Strings against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flandon1013%2FRust-Characters-Strings" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/landon1013/Rust-Characters-Strings on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/landon1013/Rust-Characters-Strings
[INFO] finished tweaking git repo https://github.com/landon1013/Rust-Characters-Strings
[INFO] tweaked toml for git repo https://github.com/landon1013/Rust-Characters-Strings written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/landon1013/Rust-Characters-Strings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c3e38a51c390e4cf41ecf36d6654c5d8283aa8ff7471564ea1ca8bfb4701045
[INFO] running `Command { std: "docker" "start" "-a" "5c3e38a51c390e4cf41ecf36d6654c5d8283aa8ff7471564ea1ca8bfb4701045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c3e38a51c390e4cf41ecf36d6654c5d8283aa8ff7471564ea1ca8bfb4701045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3e38a51c390e4cf41ecf36d6654c5d8283aa8ff7471564ea1ca8bfb4701045", kill_on_drop: false }`
[INFO] [stdout] 5c3e38a51c390e4cf41ecf36d6654c5d8283aa8ff7471564ea1ca8bfb4701045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df340b4341ec54f0fb06941b439241fc7337ce52ccf2d0750bcb11ddb2be68e8
[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" "df340b4341ec54f0fb06941b439241fc7337ce52ccf2d0750bcb11ddb2be68e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-characters-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `strings`
[INFO] [stdout]  --> src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn strings() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "df340b4341ec54f0fb06941b439241fc7337ce52ccf2d0750bcb11ddb2be68e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df340b4341ec54f0fb06941b439241fc7337ce52ccf2d0750bcb11ddb2be68e8", kill_on_drop: false }`
[INFO] [stdout] df340b4341ec54f0fb06941b439241fc7337ce52ccf2d0750bcb11ddb2be68e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c6abb817e9bb113357177bf4459af8b0d05bf95a5e540176135c3d39a2a9c4
[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" "93c6abb817e9bb113357177bf4459af8b0d05bf95a5e540176135c3d39a2a9c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-characters-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `strings`
[INFO] [stdout]  --> src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn strings() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "93c6abb817e9bb113357177bf4459af8b0d05bf95a5e540176135c3d39a2a9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c6abb817e9bb113357177bf4459af8b0d05bf95a5e540176135c3d39a2a9c4", kill_on_drop: false }`
[INFO] [stdout] 93c6abb817e9bb113357177bf4459af8b0d05bf95a5e540176135c3d39a2a9c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 436cdaf6be658b07d22458460976171bc3f7224d45d64487283fa5637095c221
[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" "436cdaf6be658b07d22458460976171bc3f7224d45d64487283fa5637095c221", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `strings`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | fn strings() {
[INFO] [stdout] 
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_characters_strings-a167f8c150921663)
[INFO] running `Command { std: "docker" "inspect" "436cdaf6be658b07d22458460976171bc3f7224d45d64487283fa5637095c221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436cdaf6be658b07d22458460976171bc3f7224d45d64487283fa5637095c221", kill_on_drop: false }`
[INFO] [stdout] 436cdaf6be658b07d22458460976171bc3f7224d45d64487283fa5637095c221