[INFO] cloning repository https://github.com/mavroprovato/rust-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mavroprovato/rust-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavroprovato%2Frust-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavroprovato%2Frust-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f4dafeb76fbceaf9f0ce139139222609dfcff2a [INFO] testing mavroprovato/rust-algorithms against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavroprovato%2Frust-algorithms" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mavroprovato/rust-algorithms on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mavroprovato/rust-algorithms [INFO] finished tweaking git repo https://github.com/mavroprovato/rust-algorithms [INFO] tweaked toml for git repo https://github.com/mavroprovato/rust-algorithms written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/mavroprovato/rust-algorithms already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbcc1e6da0056df00adeda7218b9a6587dbc5bb0a1ea4b1103c2d6e647880744 [INFO] running `Command { std: "docker" "start" "-a" "cbcc1e6da0056df00adeda7218b9a6587dbc5bb0a1ea4b1103c2d6e647880744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbcc1e6da0056df00adeda7218b9a6587dbc5bb0a1ea4b1103c2d6e647880744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbcc1e6da0056df00adeda7218b9a6587dbc5bb0a1ea4b1103c2d6e647880744", kill_on_drop: false }` [INFO] [stdout] cbcc1e6da0056df00adeda7218b9a6587dbc5bb0a1ea4b1103c2d6e647880744 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b4568709848bf04fb199c307d9c487d237530b2eaefb503c1c61786f7426980 [INFO] running `Command { std: "docker" "start" "-a" "8b4568709848bf04fb199c307d9c487d237530b2eaefb503c1c61786f7426980", kill_on_drop: false }` [INFO] [stderr] Compiling rust-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/bin/percolation.rs:76:43 [INFO] [stdout] | [INFO] [stdout] 76 | panic!("Cannot parse line {}: need at least two integers") [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 76 | panic!("Cannot parse line {}: need at least two integers", ...) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 76 | panic!("{}", "Cannot parse line {}: need at least two integers") [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "8b4568709848bf04fb199c307d9c487d237530b2eaefb503c1c61786f7426980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b4568709848bf04fb199c307d9c487d237530b2eaefb503c1c61786f7426980", kill_on_drop: false }` [INFO] [stdout] 8b4568709848bf04fb199c307d9c487d237530b2eaefb503c1c61786f7426980 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ced1a4912ee4eff754f02545b318146d0b871a3a0d9458a763e2413b7bc6f643 [INFO] running `Command { std: "docker" "start" "-a" "ced1a4912ee4eff754f02545b318146d0b871a3a0d9458a763e2413b7bc6f643", 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] [stderr] Compiling rust-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/bin/percolation.rs:76:43 [INFO] [stdout] | [INFO] [stdout] 76 | panic!("Cannot parse line {}: need at least two integers") [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 76 | panic!("Cannot parse line {}: need at least two integers", ...) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 76 | panic!("{}", "Cannot parse line {}: need at least two integers") [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/bin/percolation.rs:76:43 [INFO] [stdout] | [INFO] [stdout] 76 | panic!("Cannot parse line {}: need at least two integers") [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 76 | panic!("Cannot parse line {}: need at least two integers", ...) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 76 | panic!("{}", "Cannot parse line {}: need at least two integers") [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "ced1a4912ee4eff754f02545b318146d0b871a3a0d9458a763e2413b7bc6f643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ced1a4912ee4eff754f02545b318146d0b871a3a0d9458a763e2413b7bc6f643", kill_on_drop: false }` [INFO] [stdout] ced1a4912ee4eff754f02545b318146d0b871a3a0d9458a763e2413b7bc6f643 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2b889f058802ba4297f19cfb253ddee177b7b8872c56a8c90ef0cb179dcf27eb [INFO] running `Command { std: "docker" "start" "-a" "2b889f058802ba4297f19cfb253ddee177b7b8872c56a8c90ef0cb179dcf27eb", kill_on_drop: false }` [INFO] [stderr] warning: panic message contains an unused formatting placeholder [INFO] [stderr] --> src/bin/percolation.rs:76:43 [INFO] [stderr] | [INFO] [stderr] 76 | panic!("Cannot parse line {}: need at least two integers") [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stderr] help: add the missing argument [INFO] [stderr] | [INFO] [stderr] 76 | panic!("Cannot parse line {}: need at least two integers", ...) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or add a "{}" format string to use the message literally [INFO] [stderr] | [INFO] [stderr] 76 | panic!("{}", "Cannot parse line {}: need at least two integers") [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: panic message contains an unused formatting placeholder [INFO] [stderr] --> src/bin/percolation.rs:76:43 [INFO] [stderr] | [INFO] [stderr] 76 | panic!("Cannot parse line {}: need at least two integers") [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stderr] help: add the missing argument [INFO] [stderr] | [INFO] [stderr] 76 | panic!("Cannot parse line {}: need at least two integers", ...) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or add a "{}" format string to use the message literally [INFO] [stderr] | [INFO] [stderr] 76 | panic!("{}", "Cannot parse line {}: need at least two integers") [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_algorithms-e2de105598227ab8) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/percolation-86eddde8a70b01f2) [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 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] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-8e4198c48fa93b88) [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test union_find::quick_find::quick_find_component_count ... ok [INFO] [stdout] test union_find::quick_find::quick_find_union ... ok [INFO] [stdout] test union_find::quick_find::quick_find_union_already_connected ... ok [INFO] [stdout] test union_find::quick_union::quick_union_component_count ... ok [INFO] [stdout] test union_find::quick_union::quick_union_union_already_connected ... ok [INFO] [stdout] test union_find::quick_union::quick_union_union ... ok [INFO] [stdout] test union_find::weighted_quick_union::quick_union_component_count ... ok [INFO] [stdout] test union_find::weighted_quick_union::quick_union_union ... ok [INFO] [stdout] test union_find::weighted_quick_union::quick_union_union_already_connected ... ok [INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_component_count ... ok [INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_union ... ok [INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_union_already_connected ... ok [INFO] [stdout] test union_find::quick_find::quick_find_not_zero - should panic ... ok [INFO] [stdout] test union_find::quick_find::quick_find_out_of_bounds - should panic ... ok [INFO] [stdout] test union_find::quick_union::quick_union_out_of_bounds - should panic ... ok [INFO] [stdout] test union_find::quick_union::quick_union_not_zero - should panic ... ok [INFO] [stdout] test union_find::weighted_quick_union::quick_union_not_zero - should panic ... ok [INFO] [stdout] test union_find::weighted_quick_union::quick_union_out_of_bounds - should panic ... ok [INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_not_zero - should panic ... ok [INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_out_of_bounds - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests rust-algorithms [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] running `Command { std: "docker" "inspect" "2b889f058802ba4297f19cfb253ddee177b7b8872c56a8c90ef0cb179dcf27eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b889f058802ba4297f19cfb253ddee177b7b8872c56a8c90ef0cb179dcf27eb", kill_on_drop: false }` [INFO] [stdout] 2b889f058802ba4297f19cfb253ddee177b7b8872c56a8c90ef0cb179dcf27eb