[INFO] cloning repository https://github.com/sts10/capitalizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/capitalizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54ed66546c5fe800598a301b93e236532575a952
[INFO] testing sts10/capitalizer against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sts10/capitalizer on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/capitalizer
[INFO] finished tweaking git repo https://github.com/sts10/capitalizer
[INFO] tweaked toml for git repo https://github.com/sts10/capitalizer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/capitalizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 2e8c2bd07e20ea54f4b67340a1ceed79c76fac35429fa75217ee9b13f31c7a68
[INFO] running `Command { std: "docker" "start" "-a" "2e8c2bd07e20ea54f4b67340a1ceed79c76fac35429fa75217ee9b13f31c7a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8c2bd07e20ea54f4b67340a1ceed79c76fac35429fa75217ee9b13f31c7a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8c2bd07e20ea54f4b67340a1ceed79c76fac35429fa75217ee9b13f31c7a68", kill_on_drop: false }`
[INFO] [stdout] 2e8c2bd07e20ea54f4b67340a1ceed79c76fac35429fa75217ee9b13f31c7a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abfc6182cb70f33498a105acaf888b9f3c0837e8c33fa66598d09a2d4ece7a98
[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" "abfc6182cb70f33498a105acaf888b9f3c0837e8c33fa66598d09a2d4ece7a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling capitalizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `downcase_this`
[INFO] [stdout]  --> src/downcase.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn downcase_this(s: String) -> String {
[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 1.35s
[INFO] running `Command { std: "docker" "inspect" "abfc6182cb70f33498a105acaf888b9f3c0837e8c33fa66598d09a2d4ece7a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfc6182cb70f33498a105acaf888b9f3c0837e8c33fa66598d09a2d4ece7a98", kill_on_drop: false }`
[INFO] [stdout] abfc6182cb70f33498a105acaf888b9f3c0837e8c33fa66598d09a2d4ece7a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93ed02577bb2b002fbfe47b459c245bcbd95d4ffc7c59ada72132acd7fce55e
[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" "d93ed02577bb2b002fbfe47b459c245bcbd95d4ffc7c59ada72132acd7fce55e", kill_on_drop: false }`
[INFO] [stderr]    Compiling capitalizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `downcase_this`
[INFO] [stdout]  --> src/downcase.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn downcase_this(s: String) -> String {
[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 0.98s
[INFO] running `Command { std: "docker" "inspect" "d93ed02577bb2b002fbfe47b459c245bcbd95d4ffc7c59ada72132acd7fce55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93ed02577bb2b002fbfe47b459c245bcbd95d4ffc7c59ada72132acd7fce55e", kill_on_drop: false }`
[INFO] [stdout] d93ed02577bb2b002fbfe47b459c245bcbd95d4ffc7c59ada72132acd7fce55e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] bc93b7b338c24349d681f86240c6f4a9762b9b16dc537844b68fc4b54b72a02f
[INFO] running `Command { std: "docker" "start" "-a" "bc93b7b338c24349d681f86240c6f4a9762b9b16dc537844b68fc4b54b72a02f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `downcase_this`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/downcase.rs:1:8
[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] 1 | pub fn downcase_this(s: String) -> String {
[INFO] [stdout] 
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `capitalizer` (bin "capitalizer" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/capitalizer-4b878c7bcd7b41fb)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/capitalizer-00d94988125290f1)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests capitalizer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc93b7b338c24349d681f86240c6f4a9762b9b16dc537844b68fc4b54b72a02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc93b7b338c24349d681f86240c6f4a9762b9b16dc537844b68fc4b54b72a02f", kill_on_drop: false }`
[INFO] [stdout] bc93b7b338c24349d681f86240c6f4a9762b9b16dc537844b68fc4b54b72a02f