[INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars/hooks/pre-receive.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars/objects/info: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars/config.lock [INFO] [stderr] fatal: could not set 'core.filemode' to 'true' [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars/hooks/pre-commit.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 14) [INFO] cloning repository https://github.com/sollambert/codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sollambert/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c9775f2641f856126130ea2478047f858ee46ba3 [INFO] checking sollambert/codewars against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsollambert%2Fcodewars" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sollambert/codewars [INFO] finished tweaking git repo https://github.com/sollambert/codewars [INFO] tweaked toml for git repo https://github.com/sollambert/codewars written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sollambert/codewars on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sollambert/codewars 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af554069a4321c7a529e0502c7d290e9af4e51df52267f39f13c9cfea880f5f1 [INFO] running `Command { std: "docker" "start" "-a" "af554069a4321c7a529e0502c7d290e9af4e51df52267f39f13c9cfea880f5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af554069a4321c7a529e0502c7d290e9af4e51df52267f39f13c9cfea880f5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af554069a4321c7a529e0502c7d290e9af4e51df52267f39f13c9cfea880f5f1", kill_on_drop: false }` [INFO] [stdout] af554069a4321c7a529e0502c7d290e9af4e51df52267f39f13c9cfea880f5f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c49c2415dd3a6890f04d97b610fcdce5c987bc965a48a56174c0d72562c9176 [INFO] running `Command { std: "docker" "start" "-a" "7c49c2415dd3a6890f04d97b610fcdce5c987bc965a48a56174c0d72562c9176", kill_on_drop: false }` [INFO] [stderr] Checking codewars v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/sort_bindary_tree_by_levels.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | fn tree_by_levels(root: &Node) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/sort_bindary_tree_by_levels.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | fn tree_by_levels(root: &Node) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/sort_bindary_tree_by_levels.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_by_levels` is never used [INFO] [stdout] --> src/sort_bindary_tree_by_levels.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn tree_by_levels(root: &Node) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/sort_bindary_tree_by_levels.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tests` is never used [INFO] [stdout] --> src/recover_secret.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn tests() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_by_levels` is never used [INFO] [stdout] --> src/sort_bindary_tree_by_levels.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn tree_by_levels(root: &Node) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Singlet` is never constructed [INFO] [stdout] --> src/recover_secret.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Singlet { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `recover_secret` is never used [INFO] [stdout] --> src/recover_secret.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn recover_secret(triplets: Vec<[char; 3]>) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tests` is never used [INFO] [stdout] --> src/recover_secret.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn tests() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Singlet` is never constructed [INFO] [stdout] --> src/recover_secret.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Singlet { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `recover_secret` is never used [INFO] [stdout] --> src/recover_secret.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn recover_secret(triplets: Vec<[char; 3]>) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "7c49c2415dd3a6890f04d97b610fcdce5c987bc965a48a56174c0d72562c9176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c49c2415dd3a6890f04d97b610fcdce5c987bc965a48a56174c0d72562c9176", kill_on_drop: false }` [INFO] [stdout] 7c49c2415dd3a6890f04d97b610fcdce5c987bc965a48a56174c0d72562c9176