[INFO] fetching crate testmark 0.1.1...
[INFO] testing testmark-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate testmark 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate testmark 0.1.1 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 crates.io crate testmark 0.1.1
[INFO] finished tweaking crates.io crate testmark 0.1.1
[INFO] tweaked toml for crates.io crate testmark 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate testmark 0.1.1 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2a1c393e69d107498d9456f3e0e0f6099ba3f31fab4e9a94788f0d02f50da62b
[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" "2a1c393e69d107498d9456f3e0e0f6099ba3f31fab4e9a94788f0d02f50da62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a1c393e69d107498d9456f3e0e0f6099ba3f31fab4e9a94788f0d02f50da62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1c393e69d107498d9456f3e0e0f6099ba3f31fab4e9a94788f0d02f50da62b", kill_on_drop: false }`
[INFO] [stdout] 2a1c393e69d107498d9456f3e0e0f6099ba3f31fab4e9a94788f0d02f50da62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 607aa1aabd68b3868ac7baeb1a3ae858e83b5a2420608caaa9a6b421a8b17d3d
[INFO] running `Command { std: "docker" "start" "-a" "607aa1aabd68b3868ac7baeb1a3ae858e83b5a2420608caaa9a6b421a8b17d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling testmark v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut x: u64 = 42;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "607aa1aabd68b3868ac7baeb1a3ae858e83b5a2420608caaa9a6b421a8b17d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607aa1aabd68b3868ac7baeb1a3ae858e83b5a2420608caaa9a6b421a8b17d3d", kill_on_drop: false }`
[INFO] [stdout] 607aa1aabd68b3868ac7baeb1a3ae858e83b5a2420608caaa9a6b421a8b17d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2fe089e0874004314189872ca7dcce83ddc8b410f3d0e4933167572d7401a22f
[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" "2fe089e0874004314189872ca7dcce83ddc8b410f3d0e4933167572d7401a22f", kill_on_drop: false }`
[INFO] [stderr]    Compiling testmark v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut x: u64 = 42;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "2fe089e0874004314189872ca7dcce83ddc8b410f3d0e4933167572d7401a22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe089e0874004314189872ca7dcce83ddc8b410f3d0e4933167572d7401a22f", kill_on_drop: false }`
[INFO] [stdout] 2fe089e0874004314189872ca7dcce83ddc8b410f3d0e4933167572d7401a22f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e1487836f11794d612bf0e995ce987406c1a90c0def921ed915755a4a1cffaf3
[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" "e1487836f11794d612bf0e995ce987406c1a90c0def921ed915755a4a1cffaf3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable `x` is assigned to, but never used
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:8:13
[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] 8 |     let mut x: u64 = 42;
[INFO] [stdout] 
[INFO] [stderr]   |             ^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stderr]   = note: consider using `_x` instead
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `testmark` (bin "testmark" test) generated 1 warning
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testmark-036f1ca9a48ba61f)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testmark-6d96768cd7ff71f0)
[INFO] [stderr]    Doc-tests testmark
[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" "e1487836f11794d612bf0e995ce987406c1a90c0def921ed915755a4a1cffaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1487836f11794d612bf0e995ce987406c1a90c0def921ed915755a4a1cffaf3", kill_on_drop: false }`
[INFO] [stdout] e1487836f11794d612bf0e995ce987406c1a90c0def921ed915755a4a1cffaf3