[INFO] cloning repository https://github.com/erumachi/col-interpreter-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erumachi/col-interpreter-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferumachi%2Fcol-interpreter-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferumachi%2Fcol-interpreter-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ad2377bd2a7f855b9bc7b1346d7752cb70dedb9
[INFO] testing erumachi/col-interpreter-from-scratch against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferumachi%2Fcol-interpreter-from-scratch" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erumachi/col-interpreter-from-scratch 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/erumachi/col-interpreter-from-scratch
[INFO] finished tweaking git repo https://github.com/erumachi/col-interpreter-from-scratch
[INFO] tweaked toml for git repo https://github.com/erumachi/col-interpreter-from-scratch written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/erumachi/col-interpreter-from-scratch 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] e2ae50ef30fed6ab78966b669ca5763eb3b5887fd802d46c014a7932f4045422
[INFO] running `Command { std: "docker" "start" "-a" "e2ae50ef30fed6ab78966b669ca5763eb3b5887fd802d46c014a7932f4045422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ae50ef30fed6ab78966b669ca5763eb3b5887fd802d46c014a7932f4045422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ae50ef30fed6ab78966b669ca5763eb3b5887fd802d46c014a7932f4045422", kill_on_drop: false }`
[INFO] [stdout] e2ae50ef30fed6ab78966b669ca5763eb3b5887fd802d46c014a7932f4045422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 3d69f4da1050603683c0e527526b1bbc24b97302476f74399ef74c849d9b75e2
[INFO] running `Command { std: "docker" "start" "-a" "3d69f4da1050603683c0e527526b1bbc24b97302476f74399ef74c849d9b75e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling col-interpreter-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/stack.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/stack.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn remove(&mut self, idx: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/stack.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn length(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/stack.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/stack.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn remove(&mut self, idx: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "3d69f4da1050603683c0e527526b1bbc24b97302476f74399ef74c849d9b75e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d69f4da1050603683c0e527526b1bbc24b97302476f74399ef74c849d9b75e2", kill_on_drop: false }`
[INFO] [stdout] 3d69f4da1050603683c0e527526b1bbc24b97302476f74399ef74c849d9b75e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 600901cadf5cc659500757a5f0008b6db6313dd720761f9d14e4787bea034937
[INFO] running `Command { std: "docker" "start" "-a" "600901cadf5cc659500757a5f0008b6db6313dd720761f9d14e4787bea034937", kill_on_drop: false }`
[INFO] [stderr]    Compiling col-interpreter-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/stack.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/stack.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn remove(&mut self, idx: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/stack.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn length(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/stack.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/stack.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn remove(&mut self, idx: usize) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "600901cadf5cc659500757a5f0008b6db6313dd720761f9d14e4787bea034937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600901cadf5cc659500757a5f0008b6db6313dd720761f9d14e4787bea034937", kill_on_drop: false }`
[INFO] [stdout] 600901cadf5cc659500757a5f0008b6db6313dd720761f9d14e4787bea034937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4c2c46f64d12da3407fbe23aaf257bd5c07e79f3847bbd01a9d0302f7ddf632
[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" "d4c2c46f64d12da3407fbe23aaf257bd5c07e79f3847bbd01a9d0302f7ddf632", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `swap`
[INFO] [stderr]   --> src/stack.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/stack.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn remove(&mut self, idx: usize) -> Result<(), String> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `col-interpreter-from-scratch` (bin "part_3" test) generated 2 warnings
[INFO] [stderr] warning: associated function is never used: `length`
[INFO] [stderr]   --> src/stack.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn length(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `swap`
[INFO] [stderr]   --> src/stack.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn swap(&mut self, a: usize, b: usize) -> Result<(), String> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `col-interpreter-from-scratch` (bin "part_2" test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/part_0-769f22e7bb48b8d7)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/part_1-9c29603019192666)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/part_2-61a03f38de70d128)
[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] [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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/part_3-05e198578b5c0bc0)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/part_4-8d13aeb2a16f2ea7)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/part_5-1d9a1becb8071142)
[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" "d4c2c46f64d12da3407fbe23aaf257bd5c07e79f3847bbd01a9d0302f7ddf632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c2c46f64d12da3407fbe23aaf257bd5c07e79f3847bbd01a9d0302f7ddf632", kill_on_drop: false }`
[INFO] [stdout] d4c2c46f64d12da3407fbe23aaf257bd5c07e79f3847bbd01a9d0302f7ddf632