[INFO] cloning repository https://github.com/htlsne/library-checker-answers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/htlsne/library-checker-answers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtlsne%2Flibrary-checker-answers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtlsne%2Flibrary-checker-answers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de084aa31e58cb04a3570ce0777a712fb9ff6779 [INFO] testing htlsne/library-checker-answers against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtlsne%2Flibrary-checker-answers" "/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/htlsne/library-checker-answers on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/htlsne/library-checker-answers [INFO] finished tweaking git repo https://github.com/htlsne/library-checker-answers [INFO] tweaked toml for git repo https://github.com/htlsne/library-checker-answers written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/htlsne/library-checker-answers already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e09bca1e2d6adfd87e49d6bb87402ecd813ae80130d699684f5acc8189d12d9 [INFO] running `Command { std: "docker" "start" "-a" "9e09bca1e2d6adfd87e49d6bb87402ecd813ae80130d699684f5acc8189d12d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e09bca1e2d6adfd87e49d6bb87402ecd813ae80130d699684f5acc8189d12d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e09bca1e2d6adfd87e49d6bb87402ecd813ae80130d699684f5acc8189d12d9", kill_on_drop: false }` [INFO] [stdout] 9e09bca1e2d6adfd87e49d6bb87402ecd813ae80130d699684f5acc8189d12d9 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4b4fb017cef7ea55adbb53bbd5deba92e5a7e2273f1c8150ae1d08eac2cabf6 [INFO] running `Command { std: "docker" "start" "-a" "c4b4fb017cef7ea55adbb53bbd5deba92e5a7e2273f1c8150ae1d08eac2cabf6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling library-checker-answers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/bin/template.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let $single_tt_pat = $crate::read!(from $scanner { $readable }); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_vec` [INFO] [stdout] --> src/bin/associative_array.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn next_vec(&mut self, n: usize) -> Vec [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: `chars` [INFO] [stdout] --> src/bin/associative_array.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `usize1` [INFO] [stdout] --> src/bin/template.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bytes` [INFO] [stdout] --> src/bin/template.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_vec` [INFO] [stdout] --> src/bin/many_aplusb.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn next_vec(&mut self, n: usize) -> Vec [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: `chars` [INFO] [stdout] --> src/bin/many_aplusb.rs:54:16 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `usize1` [INFO] [stdout] --> src/bin/unionfind.rs:222:12 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bytes` [INFO] [stdout] --> src/bin/unionfind.rs:227:12 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn bytes(s: String) -> Vec { [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] [stdout] warning: 2 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 1.15s [INFO] running `Command { std: "docker" "inspect" "c4b4fb017cef7ea55adbb53bbd5deba92e5a7e2273f1c8150ae1d08eac2cabf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4b4fb017cef7ea55adbb53bbd5deba92e5a7e2273f1c8150ae1d08eac2cabf6", kill_on_drop: false }` [INFO] [stdout] c4b4fb017cef7ea55adbb53bbd5deba92e5a7e2273f1c8150ae1d08eac2cabf6 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e63008e9b4b1cf0c7510841738e71f4e1566e6018e6cc977416340c9c90c3a4 [INFO] running `Command { std: "docker" "start" "-a" "6e63008e9b4b1cf0c7510841738e71f4e1566e6018e6cc977416340c9c90c3a4", kill_on_drop: false }` [INFO] [stderr] Compiling library-checker-answers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/bin/template.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let $single_tt_pat = $crate::read!(from $scanner { $readable }); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_vec` [INFO] [stdout] --> src/bin/many_aplusb.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn next_vec(&mut self, n: usize) -> Vec [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: `chars` [INFO] [stdout] --> src/bin/many_aplusb.rs:54:16 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `usize1` [INFO] [stdout] --> src/bin/template.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bytes` [INFO] [stdout] --> src/bin/template.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_vec` [INFO] [stdout] --> src/bin/associative_array.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn next_vec(&mut self, n: usize) -> Vec [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: `chars` [INFO] [stdout] --> src/bin/associative_array.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `usize1` [INFO] [stdout] --> src/bin/unionfind.rs:222:12 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bytes` [INFO] [stdout] --> src/bin/unionfind.rs:227:12 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "6e63008e9b4b1cf0c7510841738e71f4e1566e6018e6cc977416340c9c90c3a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e63008e9b4b1cf0c7510841738e71f4e1566e6018e6cc977416340c9c90c3a4", kill_on_drop: false }` [INFO] [stdout] 6e63008e9b4b1cf0c7510841738e71f4e1566e6018e6cc977416340c9c90c3a4 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06d58d4c1055393e0d6c2bcb67ea3e87a1aa1d4a40872293204bb4634ecdf249 [INFO] running `Command { std: "docker" "start" "-a" "06d58d4c1055393e0d6c2bcb67ea3e87a1aa1d4a40872293204bb4634ecdf249", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: associated function is never used: `next_vec` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/bin/many_aplusb.rs:42:16 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 42 | pub fn next_vec(&mut self, n: usize) -> Vec [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `chars` [INFO] [stderr] --> src/bin/many_aplusb.rs:54:16 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn chars(&mut self) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `library-checker-answers` (bin "many_aplusb" test) generated 2 warnings [INFO] [stderr] warning: function is never used: `usize1` [INFO] [stderr] --> src/bin/unionfind.rs:222:12 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn usize1(n: usize) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bytes` [INFO] [stderr] --> src/bin/unionfind.rs:227:12 [INFO] [stderr] | [INFO] [stderr] 227 | pub fn bytes(s: String) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/bin/template.rs:62:17 [INFO] [stderr] | [INFO] [stderr] 62 | let $single_tt_pat = $crate::read!(from $scanner { $readable }); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `usize1` [INFO] [stderr] --> src/bin/template.rs:115:12 [INFO] [stderr] | [INFO] [stderr] 115 | pub fn usize1(n: usize) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bytes` [INFO] [stderr] --> src/bin/template.rs:120:12 [INFO] [stderr] | [INFO] [stderr] 120 | pub fn bytes(s: String) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next_vec` [INFO] [stderr] --> src/bin/associative_array.rs:57:16 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn next_vec(&mut self, n: usize) -> Vec [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `chars` [INFO] [stderr] --> src/bin/associative_array.rs:69:16 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn chars(&mut self) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `library-checker-answers` (bin "unionfind" test) generated 2 warnings [INFO] [stderr] warning: `library-checker-answers` (bin "template" test) generated 3 warnings [INFO] [stderr] warning: `library-checker-answers` (bin "associative_array" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/associative_array-99c1d3c428f8767e) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/many_aplusb-ef3f38965f1478ff) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/template-d475432620295913) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/unionfind-b94a772bad2f98d0) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test dsu::tests::dsu_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "06d58d4c1055393e0d6c2bcb67ea3e87a1aa1d4a40872293204bb4634ecdf249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06d58d4c1055393e0d6c2bcb67ea3e87a1aa1d4a40872293204bb4634ecdf249", kill_on_drop: false }` [INFO] [stdout] 06d58d4c1055393e0d6c2bcb67ea3e87a1aa1d4a40872293204bb4634ecdf249