[INFO] cloning repository https://github.com/alealvb/am-i-algo-yet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alealvb/am-i-algo-yet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falealvb%2Fam-i-algo-yet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falealvb%2Fam-i-algo-yet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d62a0457377b5e2523b551d6385ab21bb70cfa95
[INFO] checking alealvb/am-i-algo-yet against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falealvb%2Fam-i-algo-yet" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alealvb/am-i-algo-yet
[INFO] finished tweaking git repo https://github.com/alealvb/am-i-algo-yet
[INFO] tweaked toml for git repo https://github.com/alealvb/am-i-algo-yet written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alealvb/am-i-algo-yet on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alealvb/am-i-algo-yet 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/overlay2/88bb25e8bfd02a11445bb189c38ffcf18953130b24dd1bd90c82f4efac6fbebb/.tmp-lower2287431509: no space left on device
[INFO] checking alealvb/am-i-algo-yet against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falealvb%2Fam-i-algo-yet" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alealvb/am-i-algo-yet
[INFO] finished tweaking git repo https://github.com/alealvb/am-i-algo-yet
[INFO] tweaked toml for git repo https://github.com/alealvb/am-i-algo-yet written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alealvb/am-i-algo-yet on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alealvb/am-i-algo-yet 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 497e5f65726aff133a2a4d1126f926102aa4e7f09e22d9ba0ca942f174f0c218
[INFO] running `Command { std: "docker" "start" "-a" "497e5f65726aff133a2a4d1126f926102aa4e7f09e22d9ba0ca942f174f0c218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497e5f65726aff133a2a4d1126f926102aa4e7f09e22d9ba0ca942f174f0c218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497e5f65726aff133a2a4d1126f926102aa4e7f09e22d9ba0ca942f174f0c218", kill_on_drop: false }`
[INFO] [stdout] 497e5f65726aff133a2a4d1126f926102aa4e7f09e22d9ba0ca942f174f0c218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4dd7e1487725042df9ad9d956fc207dc2d61902d5c2d3b7fd6ea3b19cffc9fe
[INFO] running `Command { std: "docker" "start" "-a" "f4dd7e1487725042df9ad9d956fc207dc2d61902d5c2d3b7fd6ea3b19cffc9fe", kill_on_drop: false }`
[INFO] [stderr]     Checking am-i-algo-yet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]   --> src/two_sum.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn two_sum(nums: &Vec<i32>, target: &i32) -> Vec<i32> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/two_sum.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn two_sum(nums: &Vec<i32>, target: &i32) -> Vec<i32> {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]   --> src/two_sum.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn two_sum(nums: &Vec<i32>, target: &i32) -> Vec<i32> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/two_sum.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn two_sum(nums: &Vec<i32>, target: &i32) -> Vec<i32> {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `haystack`
[INFO] [stdout]  --> src/binary_search_list.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn binary_search_list(haystack: &[i32], needle: i32) -> bool {
[INFO] [stdout]   |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_haystack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `needle`
[INFO] [stdout]  --> src/binary_search_list.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn binary_search_list(haystack: &[i32], needle: i32) -> bool {
[INFO] [stdout]   |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_needle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `haystack`
[INFO] [stdout]  --> src/binary_search_list.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn binary_search_list(haystack: &[i32], needle: i32) -> bool {
[INFO] [stdout]   |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_haystack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `needle`
[INFO] [stdout]  --> src/binary_search_list.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn binary_search_list(haystack: &[i32], needle: i32) -> bool {
[INFO] [stdout]   |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_needle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "f4dd7e1487725042df9ad9d956fc207dc2d61902d5c2d3b7fd6ea3b19cffc9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dd7e1487725042df9ad9d956fc207dc2d61902d5c2d3b7fd6ea3b19cffc9fe", kill_on_drop: false }`
[INFO] [stdout] f4dd7e1487725042df9ad9d956fc207dc2d61902d5c2d3b7fd6ea3b19cffc9fe