[INFO] cloning repository https://github.com/RockyTV/rust-nbr6023 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RockyTV/rust-nbr6023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyTV%2Frust-nbr6023", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyTV%2Frust-nbr6023'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9125571df28e8e940e03fc2f1d05482af0937e36 [INFO] testing RockyTV/rust-nbr6023 against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRockyTV%2Frust-nbr6023" "/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/RockyTV/rust-nbr6023 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RockyTV/rust-nbr6023 [INFO] finished tweaking git repo https://github.com/RockyTV/rust-nbr6023 [INFO] tweaked toml for git repo https://github.com/RockyTV/rust-nbr6023 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/RockyTV/rust-nbr6023 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba9ca454c53dc1eb4c986c959c5a967b6d53e5035599e8261e6435abd5496525 [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" "ba9ca454c53dc1eb4c986c959c5a967b6d53e5035599e8261e6435abd5496525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba9ca454c53dc1eb4c986c959c5a967b6d53e5035599e8261e6435abd5496525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba9ca454c53dc1eb4c986c959c5a967b6d53e5035599e8261e6435abd5496525", kill_on_drop: false }` [INFO] [stdout] ba9ca454c53dc1eb4c986c959c5a967b6d53e5035599e8261e6435abd5496525 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f18206d8ee91c967339a9c73c78a290a3cbb1ff22cc32efa6d0111d900dbaf96 [INFO] running `Command { std: "docker" "start" "-a" "f18206d8ee91c967339a9c73c78a290a3cbb1ff22cc32efa6d0111d900dbaf96", kill_on_drop: false }` [INFO] [stderr] Compiling rust-nbr6023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `title` [INFO] [stdout] --> src/main.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_title` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `year` [INFO] [stdout] --> src/main.rs:10:50 [INFO] [stdout] | [INFO] [stdout] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_year` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `link` [INFO] [stdout] --> src/main.rs:10:62 [INFO] [stdout] | [INFO] [stdout] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_link` [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 author_surname: &str = match author_parts.pop() { [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "f18206d8ee91c967339a9c73c78a290a3cbb1ff22cc32efa6d0111d900dbaf96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f18206d8ee91c967339a9c73c78a290a3cbb1ff22cc32efa6d0111d900dbaf96", kill_on_drop: false }` [INFO] [stdout] f18206d8ee91c967339a9c73c78a290a3cbb1ff22cc32efa6d0111d900dbaf96 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8278df905b660782e74b585d776116ae4f56a2d0e69731ff4d463dbd4c50a678 [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" "8278df905b660782e74b585d776116ae4f56a2d0e69731ff4d463dbd4c50a678", kill_on_drop: false }` [INFO] [stderr] Compiling rust-nbr6023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `title` [INFO] [stdout] --> src/main.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_title` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `year` [INFO] [stdout] --> src/main.rs:10:50 [INFO] [stdout] | [INFO] [stdout] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_year` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `link` [INFO] [stdout] --> src/main.rs:10:62 [INFO] [stdout] | [INFO] [stdout] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_link` [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 author_surname: &str = match author_parts.pop() { [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "8278df905b660782e74b585d776116ae4f56a2d0e69731ff4d463dbd4c50a678", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8278df905b660782e74b585d776116ae4f56a2d0e69731ff4d463dbd4c50a678", kill_on_drop: false }` [INFO] [stdout] 8278df905b660782e74b585d776116ae4f56a2d0e69731ff4d463dbd4c50a678 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 63ce181b500ce41d029f56ce152f100c0813113d4ca5e69516fb776ab9632684 [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" "63ce181b500ce41d029f56ce152f100c0813113d4ca5e69516fb776ab9632684", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `title` [INFO] [stderr] --> src/main.rs:10:37 [INFO] [stderr] | [INFO] [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_title` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `year` [INFO] [stderr] --> src/main.rs:10:50 [INFO] [stderr] | [INFO] [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_year` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `link` [INFO] [stderr] --> src/main.rs:10:62 [INFO] [stderr] | [INFO] [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_link` [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 author_surname: &str = match author_parts.pop() { [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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_nbr6023-5fcd79c8cff21a67 [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" "63ce181b500ce41d029f56ce152f100c0813113d4ca5e69516fb776ab9632684", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63ce181b500ce41d029f56ce152f100c0813113d4ca5e69516fb776ab9632684", kill_on_drop: false }` [INFO] [stdout] 63ce181b500ce41d029f56ce152f100c0813113d4ca5e69516fb776ab9632684