[INFO] cloning repository https://github.com/bodagovsky/rusty_parking_lot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bodagovsky/rusty_parking_lot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2Frusty_parking_lot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2Frusty_parking_lot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25a3063cf279a3c71831d2a5d6532e857ac8efac [INFO] testing bodagovsky/rusty_parking_lot against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2Frusty_parking_lot" "/workspace/builds/worker-52/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bodagovsky/rusty_parking_lot on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bodagovsky/rusty_parking_lot [INFO] finished tweaking git repo https://github.com/bodagovsky/rusty_parking_lot [INFO] tweaked toml for git repo https://github.com/bodagovsky/rusty_parking_lot written to /workspace/builds/worker-52/source/Cargo.toml [INFO] crate git repo https://github.com/bodagovsky/rusty_parking_lot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a3ec1ee069d79f92960c21ece51116fd53544bdbe902a1df20a981a1d8feb7e [INFO] running `Command { std: "docker" "start" "-a" "9a3ec1ee069d79f92960c21ece51116fd53544bdbe902a1df20a981a1d8feb7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a3ec1ee069d79f92960c21ece51116fd53544bdbe902a1df20a981a1d8feb7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3ec1ee069d79f92960c21ece51116fd53544bdbe902a1df20a981a1d8feb7e", kill_on_drop: false }` [INFO] [stdout] 9a3ec1ee069d79f92960c21ece51116fd53544bdbe902a1df20a981a1d8feb7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f032b6a5c89f7622529456896d9eb45f78f79ed0579d33015080ce0e522f191 [INFO] running `Command { std: "docker" "start" "-a" "1f032b6a5c89f7622529456896d9eb45f78f79ed0579d33015080ce0e522f191", kill_on_drop: false }` [INFO] [stderr] Compiling rust_parking_lot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/logic.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | {return String::from("no found slots")}} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 77 - {return String::from("no found slots")}} [INFO] [stdout] 77 + return String::from("no found slots")} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/logic.rs:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | {return String::from(format!("sorry, no plates with color {}", color))}} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 90 - {return String::from(format!("sorry, no plates with color {}", color))}} [INFO] [stdout] 90 + return String::from(format!("sorry, no plates with color {}", color))} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/model.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | for (key, val) in self.slots.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `cap` is never read [INFO] [stdout] --> src/logic.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | let mut cap:i32 = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "1f032b6a5c89f7622529456896d9eb45f78f79ed0579d33015080ce0e522f191", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f032b6a5c89f7622529456896d9eb45f78f79ed0579d33015080ce0e522f191", kill_on_drop: false }` [INFO] [stdout] 1f032b6a5c89f7622529456896d9eb45f78f79ed0579d33015080ce0e522f191 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7819beb910ff5ebe8c62119cf2a6a7b7a2461098527dcc789266974ecb427eb1 [INFO] running `Command { std: "docker" "start" "-a" "7819beb910ff5ebe8c62119cf2a6a7b7a2461098527dcc789266974ecb427eb1", kill_on_drop: false }` [INFO] [stderr] Compiling rust_parking_lot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/logic.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | {return String::from("no found slots")}} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 77 - {return String::from("no found slots")}} [INFO] [stdout] 77 + return String::from("no found slots")} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/logic.rs:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | {return String::from(format!("sorry, no plates with color {}", color))}} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 90 - {return String::from(format!("sorry, no plates with color {}", color))}} [INFO] [stdout] 90 + return String::from(format!("sorry, no plates with color {}", color))} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/model.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | for (key, val) in self.slots.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `cap` is never read [INFO] [stdout] --> src/logic.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | let mut cap:i32 = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut park = ParkingLot{ [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: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut park = ParkingLot{ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut park = ParkingLot{ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | let mut park = ParkingLot{ [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.15s [INFO] running `Command { std: "docker" "inspect" "7819beb910ff5ebe8c62119cf2a6a7b7a2461098527dcc789266974ecb427eb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7819beb910ff5ebe8c62119cf2a6a7b7a2461098527dcc789266974ecb427eb1", kill_on_drop: false }` [INFO] [stdout] 7819beb910ff5ebe8c62119cf2a6a7b7a2461098527dcc789266974ecb427eb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9e2578115ca800c99a4b007d6c4464cfaa30de87264dce77c6b914e58aa6eb2e [INFO] running `Command { std: "docker" "start" "-a" "9e2578115ca800c99a4b007d6c4464cfaa30de87264dce77c6b914e58aa6eb2e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/logic.rs:77:26 [INFO] [stderr] | [INFO] [stderr] 77 | {return String::from("no found slots")}} [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 77 - {return String::from("no found slots")}} [INFO] [stderr] 77 + return String::from("no found slots")} [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/logic.rs:90:25 [INFO] [stderr] | [INFO] [stderr] 90 | {return String::from(format!("sorry, no plates with color {}", color))}} [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 90 - {return String::from(format!("sorry, no plates with color {}", color))}} [INFO] [stderr] 90 + return String::from(format!("sorry, no plates with color {}", color))} [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/model.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | for (key, val) in self.slots.iter() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `cap` is never read [INFO] [stderr] --> src/logic.rs:36:29 [INFO] [stderr] | [INFO] [stderr] 36 | let mut cap:i32 = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut park = ParkingLot{ [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: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let mut park = ParkingLot{ [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | let mut park = ParkingLot{ [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut park = ParkingLot{ [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `rust_parking_lot` (bin "rust_parking_lot" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_parking_lot-cce1711c54ad9b76) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::tests::test_first_available ... ok [INFO] [stdout] test tests::tests::test_leave_slot ... ok [INFO] [stdout] test tests::tests::test_get_slots_by_color ... ok [INFO] [stdout] test tests::tests::test_plates_by_color ... ok [INFO] [stdout] test tests::tests::test_slot_by_plate ... ok [INFO] [stdout] test tests::tests::test_all_slots ... ok [INFO] [stdout] test tests::tests::test_allocate_slot ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9e2578115ca800c99a4b007d6c4464cfaa30de87264dce77c6b914e58aa6eb2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e2578115ca800c99a4b007d6c4464cfaa30de87264dce77c6b914e58aa6eb2e", kill_on_drop: false }` [INFO] [stdout] 9e2578115ca800c99a4b007d6c4464cfaa30de87264dce77c6b914e58aa6eb2e