[INFO] cloning repository https://github.com/mreboland/rustOptionTypeWAbsence [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mreboland/rustOptionTypeWAbsence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustOptionTypeWAbsence", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustOptionTypeWAbsence'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eb261b4e03fb58729120876b352b924291b01a4d [INFO] testing mreboland/rustOptionTypeWAbsence against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustOptionTypeWAbsence" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mreboland/rustOptionTypeWAbsence 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/mreboland/rustOptionTypeWAbsence [INFO] finished tweaking git repo https://github.com/mreboland/rustOptionTypeWAbsence [INFO] tweaked toml for git repo https://github.com/mreboland/rustOptionTypeWAbsence written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/mreboland/rustOptionTypeWAbsence 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8fc508f1cb96cb5cd7b1eafa2edd259f80bd22a0afb2d3d5c4844c147fe2f2c6 [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" "8fc508f1cb96cb5cd7b1eafa2edd259f80bd22a0afb2d3d5c4844c147fe2f2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fc508f1cb96cb5cd7b1eafa2edd259f80bd22a0afb2d3d5c4844c147fe2f2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fc508f1cb96cb5cd7b1eafa2edd259f80bd22a0afb2d3d5c4844c147fe2f2c6", kill_on_drop: false }` [INFO] [stdout] 8fc508f1cb96cb5cd7b1eafa2edd259f80bd22a0afb2d3d5c4844c147fe2f2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 92f95ab011cdc74bf74c8370a7fe3e08eb3019d119324166678f61528f942ba8 [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" "92f95ab011cdc74bf74c8370a7fe3e08eb3019d119324166678f61528f942ba8", kill_on_drop: false }` [INFO] [stderr] Compiling option_type_absence v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `empty_gift` [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let empty_gift: Option<&str> = None; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_gift` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | let b: Option<&str> = None; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "92f95ab011cdc74bf74c8370a7fe3e08eb3019d119324166678f61528f942ba8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92f95ab011cdc74bf74c8370a7fe3e08eb3019d119324166678f61528f942ba8", kill_on_drop: false }` [INFO] [stdout] 92f95ab011cdc74bf74c8370a7fe3e08eb3019d119324166678f61528f942ba8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 57e613b65b3426a8e149f46a77de1e264358ec0f4065adf9022b591fd7dc14e0 [INFO] running `Command { std: "docker" "start" "-a" "57e613b65b3426a8e149f46a77de1e264358ec0f4065adf9022b591fd7dc14e0", kill_on_drop: false }` [INFO] [stderr] Compiling option_type_absence v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `empty_gift` [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let empty_gift: Option<&str> = None; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_gift` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | let b: Option<&str> = None; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "57e613b65b3426a8e149f46a77de1e264358ec0f4065adf9022b591fd7dc14e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57e613b65b3426a8e149f46a77de1e264358ec0f4065adf9022b591fd7dc14e0", kill_on_drop: false }` [INFO] [stdout] 57e613b65b3426a8e149f46a77de1e264358ec0f4065adf9022b591fd7dc14e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 51e6634398df43b6f302c0a6cd9ce07861de466f4781c009c7b48978e0953854 [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" "51e6634398df43b6f302c0a6cd9ce07861de466f4781c009c7b48978e0953854", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `empty_gift` [INFO] [stderr] --> src/main.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let empty_gift: Option<&str> = None; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_gift` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | let b: Option<&str> = None; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: `option_type_absence` (bin "option_type_absence" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/option_type_absence-93a4c7013ccc1418) [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" "51e6634398df43b6f302c0a6cd9ce07861de466f4781c009c7b48978e0953854", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51e6634398df43b6f302c0a6cd9ce07861de466f4781c009c7b48978e0953854", kill_on_drop: false }` [INFO] [stdout] 51e6634398df43b6f302c0a6cd9ce07861de466f4781c009c7b48978e0953854