[INFO] fetching crate rusty-santa 0.1.0... [INFO] testing rusty-santa-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate rusty-santa 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate rusty-santa 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-santa 0.1.0 [INFO] finished tweaking crates.io crate rusty-santa 0.1.0 [INFO] tweaked toml for crates.io crate rusty-santa 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 761020902ec4e328bf54205e5fb1eb2e76d91013eb32f0fece1b0b8a841ed31f [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" "761020902ec4e328bf54205e5fb1eb2e76d91013eb32f0fece1b0b8a841ed31f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "761020902ec4e328bf54205e5fb1eb2e76d91013eb32f0fece1b0b8a841ed31f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "761020902ec4e328bf54205e5fb1eb2e76d91013eb32f0fece1b0b8a841ed31f", kill_on_drop: false }` [INFO] [stdout] 761020902ec4e328bf54205e5fb1eb2e76d91013eb32f0fece1b0b8a841ed31f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] b639cd964287849216b38f9291d0047e5b6f4f3b152f8f240fa5539ea5115bbf [INFO] running `Command { std: "docker" "start" "-a" "b639cd964287849216b38f9291d0047e5b6f4f3b152f8f240fa5539ea5115bbf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [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: `size` [INFO] [stdout] --> src/lib.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.23s [INFO] running `Command { std: "docker" "inspect" "b639cd964287849216b38f9291d0047e5b6f4f3b152f8f240fa5539ea5115bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b639cd964287849216b38f9291d0047e5b6f4f3b152f8f240fa5539ea5115bbf", kill_on_drop: false }` [INFO] [stdout] b639cd964287849216b38f9291d0047e5b6f4f3b152f8f240fa5539ea5115bbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 9d0daa0209c29dbc919ac401e9b39790355c19a54fb08b164184851988a51fb0 [INFO] running `Command { std: "docker" "start" "-a" "9d0daa0209c29dbc919ac401e9b39790355c19a54fb08b164184851988a51fb0", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [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: `size` [INFO] [stdout] --> src/lib.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | for i in 0..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:279:13 [INFO] [stdout] | [INFO] [stdout] 279 | let mut matrix = Matrix::new(keys); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:358:13 [INFO] [stdout] | [INFO] [stdout] 358 | group.assign(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 17.43s [INFO] running `Command { std: "docker" "inspect" "9d0daa0209c29dbc919ac401e9b39790355c19a54fb08b164184851988a51fb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d0daa0209c29dbc919ac401e9b39790355c19a54fb08b164184851988a51fb0", kill_on_drop: false }` [INFO] [stdout] 9d0daa0209c29dbc919ac401e9b39790355c19a54fb08b164184851988a51fb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4b4506c80e9a47f2cf0f930d3aa398fb0b173f1bef9736d24f089c29e9ac5f1d [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" "4b4506c80e9a47f2cf0f930d3aa398fb0b173f1bef9736d24f089c29e9ac5f1d", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `get` [INFO] [stderr] --> src/lib.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stderr] --> src/lib.rs:103:12 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn size(&self) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:357:13 [INFO] [stderr] | [INFO] [stderr] 357 | for i in 0..1000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:279:13 [INFO] [stderr] | [INFO] [stderr] 279 | let mut matrix = Matrix::new(keys); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:358:13 [INFO] [stderr] | [INFO] [stderr] 358 | group.assign(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rusty_santa-f123843390dcacdd [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::matrix_init ... ok [INFO] [stdout] test tests::matrix_size ... ok [INFO] [stdout] test tests::matrix_set ... ok [INFO] [stdout] test tests::group_simple ... ok [INFO] [stdout] test tests::matrix_contains ... ok [INFO] [stdout] test tests::matrix_get_row ... ok [INFO] [stdout] test tests::group_may_fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests rusty-santa [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4b4506c80e9a47f2cf0f930d3aa398fb0b173f1bef9736d24f089c29e9ac5f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b4506c80e9a47f2cf0f930d3aa398fb0b173f1bef9736d24f089c29e9ac5f1d", kill_on_drop: false }` [INFO] [stdout] 4b4506c80e9a47f2cf0f930d3aa398fb0b173f1bef9736d24f089c29e9ac5f1d