[INFO] cloning repository https://github.com/Yacheen/learningchapter13rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yacheen/learningchapter13rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYacheen%2Flearningchapter13rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYacheen%2Flearningchapter13rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0e1148e5bb67b630b81eba13f2ac45c3aad87d1
[INFO] testing Yacheen/learningchapter13rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYacheen%2Flearningchapter13rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yacheen/learningchapter13rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yacheen/learningchapter13rust
[INFO] finished tweaking git repo https://github.com/Yacheen/learningchapter13rust
[INFO] tweaked toml for git repo https://github.com/Yacheen/learningchapter13rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Yacheen/learningchapter13rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5b2faf6b5333c80c896a22bbad2ba8e4b7acdd51fa38a4bdb97744c2895e321
[INFO] running `Command { std: "docker" "start" "-a" "f5b2faf6b5333c80c896a22bbad2ba8e4b7acdd51fa38a4bdb97744c2895e321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5b2faf6b5333c80c896a22bbad2ba8e4b7acdd51fa38a4bdb97744c2895e321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b2faf6b5333c80c896a22bbad2ba8e4b7acdd51fa38a4bdb97744c2895e321", kill_on_drop: false }`
[INFO] [stdout] f5b2faf6b5333c80c896a22bbad2ba8e4b7acdd51fa38a4bdb97744c2895e321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1021c4475f89cf73c33e449d750eb7faef0eac8e14c68b59d4918c720e3d2b
[INFO] running `Command { std: "docker" "start" "-a" "fa1021c4475f89cf73c33e449d750eb7faef0eac8e14c68b59d4918c720e3d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapt13closuresiteratorsetc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/iterators.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shoes_in_size`
[INFO] [stdout]   --> src/iterators.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fa1021c4475f89cf73c33e449d750eb7faef0eac8e14c68b59d4918c720e3d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1021c4475f89cf73c33e449d750eb7faef0eac8e14c68b59d4918c720e3d2b", kill_on_drop: false }`
[INFO] [stdout] fa1021c4475f89cf73c33e449d750eb7faef0eac8e14c68b59d4918c720e3d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a3805e925a44deb6cc6b6c3682c1767270c952739a1b932e483459063708d12
[INFO] running `Command { std: "docker" "start" "-a" "4a3805e925a44deb6cc6b6c3682c1767270c952739a1b932e483459063708d12", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapt13closuresiteratorsetc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "4a3805e925a44deb6cc6b6c3682c1767270c952739a1b932e483459063708d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3805e925a44deb6cc6b6c3682c1767270c952739a1b932e483459063708d12", kill_on_drop: false }`
[INFO] [stdout] 4a3805e925a44deb6cc6b6c3682c1767270c952739a1b932e483459063708d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed946fd5ac9d80f68fccb197015082dd46ba2a283ad345aee57844682d9ad710
[INFO] running `Command { std: "docker" "start" "-a" "ed946fd5ac9d80f68fccb197015082dd46ba2a283ad345aee57844682d9ad710", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chapt13closuresiteratorsetc-03ba7f888b09103d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iterators::tests::filters_by_size ... ok
[INFO] [stdout] test iterators::tests::trying_other_iter_trait_methods ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed946fd5ac9d80f68fccb197015082dd46ba2a283ad345aee57844682d9ad710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed946fd5ac9d80f68fccb197015082dd46ba2a283ad345aee57844682d9ad710", kill_on_drop: false }`
[INFO] [stdout] ed946fd5ac9d80f68fccb197015082dd46ba2a283ad345aee57844682d9ad710