[INFO] cloning repository https://github.com/modeverv/RustbookSec4_201906 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modeverv/RustbookSec4_201906" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustbookSec4_201906", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustbookSec4_201906'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c4cf876a2d0a808d20003f16a818707ce9c1608 [INFO] testing modeverv/RustbookSec4_201906 against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeverv%2FRustbookSec4_201906" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modeverv/RustbookSec4_201906 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/modeverv/RustbookSec4_201906 [INFO] finished tweaking git repo https://github.com/modeverv/RustbookSec4_201906 [INFO] tweaked toml for git repo https://github.com/modeverv/RustbookSec4_201906 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/modeverv/RustbookSec4_201906 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 755bad25613b6bbfd5d5daacc6a7b0bdf42f7aec1f604ff438437f42907655ad [INFO] running `Command { std: "docker" "start" "-a" "755bad25613b6bbfd5d5daacc6a7b0bdf42f7aec1f604ff438437f42907655ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "755bad25613b6bbfd5d5daacc6a7b0bdf42f7aec1f604ff438437f42907655ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "755bad25613b6bbfd5d5daacc6a7b0bdf42f7aec1f604ff438437f42907655ad", kill_on_drop: false }` [INFO] [stdout] 755bad25613b6bbfd5d5daacc6a7b0bdf42f7aec1f604ff438437f42907655ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eceb795dc23f7001347854843e18738074ae19aee99c9d8c59504644bb976eb8 [INFO] running `Command { std: "docker" "start" "-a" "eceb795dc23f7001347854843e18738074ae19aee99c9d8c59504644bb976eb8", kill_on_drop: false }` [INFO] [stderr] Compiling sec4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let n = 42; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let c = 'R'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let b2 = !b1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n1_ptr` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let n1_ptr = &n1; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n1_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n2_ptr_mut` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let n2_ptr_mut = &mut n2; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n2_ptr_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let mut o1 = Some(10); [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: field is never read: `stroke_width` [INFO] [stdout] --> src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | stroke_width: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fill` [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | fill: (u8,u8,u8) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "eceb795dc23f7001347854843e18738074ae19aee99c9d8c59504644bb976eb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eceb795dc23f7001347854843e18738074ae19aee99c9d8c59504644bb976eb8", kill_on_drop: false }` [INFO] [stdout] eceb795dc23f7001347854843e18738074ae19aee99c9d8c59504644bb976eb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5710192dd9ef34ba7815c4dc3ba25ee26d7b907fd8ccdcc12114c337a976080 [INFO] running `Command { std: "docker" "start" "-a" "a5710192dd9ef34ba7815c4dc3ba25ee26d7b907fd8ccdcc12114c337a976080", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sec4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let n = 42; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let c = 'R'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let b2 = !b1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n1_ptr` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let n1_ptr = &n1; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n1_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n2_ptr_mut` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let n2_ptr_mut = &mut n2; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n2_ptr_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let mut o1 = Some(10); [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: field is never read: `stroke_width` [INFO] [stdout] --> src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | stroke_width: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fill` [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | fill: (u8,u8,u8) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "a5710192dd9ef34ba7815c4dc3ba25ee26d7b907fd8ccdcc12114c337a976080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5710192dd9ef34ba7815c4dc3ba25ee26d7b907fd8ccdcc12114c337a976080", kill_on_drop: false }` [INFO] [stdout] a5710192dd9ef34ba7815c4dc3ba25ee26d7b907fd8ccdcc12114c337a976080 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7cacb71ad3cd4431a4e93af09cb0a208a8d218d3ec62019843ee11fa03ee1355 [INFO] running `Command { std: "docker" "start" "-a" "7cacb71ad3cd4431a4e93af09cb0a208a8d218d3ec62019843ee11fa03ee1355", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `n` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:3:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 3 | let n = 42; [INFO] [stdout] [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let c = 'R'; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b2` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let b2 = !b1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n1_ptr` [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let n1_ptr = &n1; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n1_ptr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n2_ptr_mut` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let n2_ptr_mut = &mut n2; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n2_ptr_mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut o1 = Some(10); [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: field is never read: `stroke_width` [INFO] [stderr] --> src/main.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | stroke_width: u8, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `fill` [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | fill: (u8,u8,u8) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `sec4` (bin "sec4" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sec4-866680bda05d6df7) [INFO] running `Command { std: "docker" "inspect" "7cacb71ad3cd4431a4e93af09cb0a208a8d218d3ec62019843ee11fa03ee1355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cacb71ad3cd4431a4e93af09cb0a208a8d218d3ec62019843ee11fa03ee1355", kill_on_drop: false }` [INFO] [stdout] 7cacb71ad3cd4431a4e93af09cb0a208a8d218d3ec62019843ee11fa03ee1355