[INFO] cloning repository https://github.com/jtfm/highest_and_lowest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtfm/highest_and_lowest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtfm%2Fhighest_and_lowest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtfm%2Fhighest_and_lowest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e699b78586262e345e8f5c98e4ad96abee36e197 [INFO] testing jtfm/highest_and_lowest against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtfm%2Fhighest_and_lowest" "/workspace/builds/worker-77/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtfm/highest_and_lowest on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtfm/highest_and_lowest [INFO] finished tweaking git repo https://github.com/jtfm/highest_and_lowest [INFO] tweaked toml for git repo https://github.com/jtfm/highest_and_lowest written to /workspace/builds/worker-77/source/Cargo.toml [INFO] crate git repo https://github.com/jtfm/highest_and_lowest already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2eb4ab3b7b061beb7310ab3ce801d2b7904e667d913a12f9b31283f37104042b [INFO] running `Command { std: "docker" "start" "-a" "2eb4ab3b7b061beb7310ab3ce801d2b7904e667d913a12f9b31283f37104042b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2eb4ab3b7b061beb7310ab3ce801d2b7904e667d913a12f9b31283f37104042b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2eb4ab3b7b061beb7310ab3ce801d2b7904e667d913a12f9b31283f37104042b", kill_on_drop: false }` [INFO] [stdout] 2eb4ab3b7b061beb7310ab3ce801d2b7904e667d913a12f9b31283f37104042b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15301661cccb9a217c7aac54655a388d5407873ff88cde880233c480dcd91d6a [INFO] running `Command { std: "docker" "start" "-a" "15301661cccb9a217c7aac54655a388d5407873ff88cde880233c480dcd91d6a", kill_on_drop: false }` [INFO] [stderr] Compiling highest_and_lowest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `parsed` [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let parsed = numbers_split.map(|x| str::parse::(x)); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut high: i32 = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/main.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut low: i32 = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut high: i32 = 0; [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/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut low: i32 = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "15301661cccb9a217c7aac54655a388d5407873ff88cde880233c480dcd91d6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15301661cccb9a217c7aac54655a388d5407873ff88cde880233c480dcd91d6a", kill_on_drop: false }` [INFO] [stdout] 15301661cccb9a217c7aac54655a388d5407873ff88cde880233c480dcd91d6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 400275df7eed3aad41d6578e8affe374f7f3cdf2a5e1afee3c4bebc3afb258a0 [INFO] running `Command { std: "docker" "start" "-a" "400275df7eed3aad41d6578e8affe374f7f3cdf2a5e1afee3c4bebc3afb258a0", kill_on_drop: false }` [INFO] [stderr] Compiling highest_and_lowest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `parsed` [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let parsed = numbers_split.map(|x| str::parse::(x)); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high` [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut high: i32 = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low` [INFO] [stdout] --> src/main.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut low: i32 = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut high: i32 = 0; [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/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut low: i32 = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "400275df7eed3aad41d6578e8affe374f7f3cdf2a5e1afee3c4bebc3afb258a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "400275df7eed3aad41d6578e8affe374f7f3cdf2a5e1afee3c4bebc3afb258a0", kill_on_drop: false }` [INFO] [stdout] 400275df7eed3aad41d6578e8affe374f7f3cdf2a5e1afee3c4bebc3afb258a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fb0c6ea41c01538289c94cf0ebc883eced1df1fe2495336759d80e881cb2686e [INFO] running `Command { std: "docker" "start" "-a" "fb0c6ea41c01538289c94cf0ebc883eced1df1fe2495336759d80e881cb2686e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `parsed` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let parsed = numbers_split.map(|x| str::parse::(x)); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `high` [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut high: i32 = 0; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_high` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `low` [INFO] [stderr] --> src/main.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut low: i32 = 0; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_low` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut high: i32 = 0; [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/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut low: i32 = 0; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `highest_and_lowest` (bin "highest_and_lowest" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/highest_and_lowest-dbf6ae85cbf2d29f) [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" "fb0c6ea41c01538289c94cf0ebc883eced1df1fe2495336759d80e881cb2686e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb0c6ea41c01538289c94cf0ebc883eced1df1fe2495336759d80e881cb2686e", kill_on_drop: false }` [INFO] [stdout] fb0c6ea41c01538289c94cf0ebc883eced1df1fe2495336759d80e881cb2686e