[INFO] cloning repository https://github.com/bodagovsky/LFUcache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bodagovsky/LFUcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/bodagovsky/LFUcache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bodagovsky/LFUcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c30840f7492a657be08f520ac7fa707dcecb6d72 [INFO] checking bodagovsky/LFUcache against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bodagovsky/LFUcache [INFO] finished tweaking git repo https://github.com/bodagovsky/LFUcache [INFO] tweaked toml for git repo https://github.com/bodagovsky/LFUcache written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bodagovsky/LFUcache on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bodagovsky/LFUcache 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25c71d8e6100b1d157a544dc566193bce82c8c938c84230c95a2dde6d68654d9 [INFO] running `Command { std: "docker" "start" "-a" "25c71d8e6100b1d157a544dc566193bce82c8c938c84230c95a2dde6d68654d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25c71d8e6100b1d157a544dc566193bce82c8c938c84230c95a2dde6d68654d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25c71d8e6100b1d157a544dc566193bce82c8c938c84230c95a2dde6d68654d9", kill_on_drop: false }` [INFO] [stdout] 25c71d8e6100b1d157a544dc566193bce82c8c938c84230c95a2dde6d68654d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd1fddcfc0be53077faf17b919a2998f52a5e7e2eccebbd33be5ac61a50235a8 [INFO] running `Command { std: "docker" "start" "-a" "dd1fddcfc0be53077faf17b919a2998f52a5e7e2eccebbd33be5ac61a50235a8", kill_on_drop: false }` [INFO] [stderr] Checking lfu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: module `LFU` should have a snake case name [INFO] [stdout] --> src/cache.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod LFU { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `lfu` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `LFU` should have a snake case name [INFO] [stdout] --> src/cache.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod LFU { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `lfu` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cache.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | write!(f, "length: {}\n", self.len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = write!(f, "length: {}\n", self.len); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cache.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | write!(f, "capacity: {}\n", self.cap); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 47 | let _ = write!(f, "capacity: {}\n", self.cap); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cache.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | / write!( [INFO] [stdout] 53 | | f, [INFO] [stdout] 54 | | "[ key: {}, value: {} ]", [INFO] [stdout] 55 | | ch.borrow().key, [INFO] [stdout] 56 | | ch.borrow().val [INFO] [stdout] 57 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = write!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cache.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | write!(f, "length: {}\n", self.len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = write!(f, "length: {}\n", self.len); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cache.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | write!(f, "capacity: {}\n", self.cap); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 47 | let _ = write!(f, "capacity: {}\n", self.cap); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cache.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | / write!( [INFO] [stdout] 53 | | f, [INFO] [stdout] 54 | | "[ key: {}, value: {} ]", [INFO] [stdout] 55 | | ch.borrow().key, [INFO] [stdout] 56 | | ch.borrow().val [INFO] [stdout] 57 | | ); [INFO] [stdout] | |_________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = write!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "dd1fddcfc0be53077faf17b919a2998f52a5e7e2eccebbd33be5ac61a50235a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd1fddcfc0be53077faf17b919a2998f52a5e7e2eccebbd33be5ac61a50235a8", kill_on_drop: false }` [INFO] [stdout] dd1fddcfc0be53077faf17b919a2998f52a5e7e2eccebbd33be5ac61a50235a8