[INFO] fetching crate leak 0.1.2...
[INFO] testing leak-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate leak 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate leak 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leak 0.1.2
[INFO] finished tweaking crates.io crate leak 0.1.2
[INFO] tweaked toml for crates.io crate leak 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] 20824a368a11e3583211450b7f7e6bc49a0e51bb06340ef7c207778bc2b02ce1
[INFO] running `Command { std: "docker" "start" "-a" "20824a368a11e3583211450b7f7e6bc49a0e51bb06340ef7c207778bc2b02ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20824a368a11e3583211450b7f7e6bc49a0e51bb06340ef7c207778bc2b02ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20824a368a11e3583211450b7f7e6bc49a0e51bb06340ef7c207778bc2b02ce1", kill_on_drop: false }`
[INFO] [stdout] 20824a368a11e3583211450b7f7e6bc49a0e51bb06340ef7c207778bc2b02ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0264710baba89f8690544ea921fbb38fbe2d59a3dfae158307b68c8c8cb02bad
[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" "0264710baba89f8690544ea921fbb38fbe2d59a3dfae158307b68c8c8cb02bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling leak v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0264710baba89f8690544ea921fbb38fbe2d59a3dfae158307b68c8c8cb02bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0264710baba89f8690544ea921fbb38fbe2d59a3dfae158307b68c8c8cb02bad", kill_on_drop: false }`
[INFO] [stdout] 0264710baba89f8690544ea921fbb38fbe2d59a3dfae158307b68c8c8cb02bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 304fb832f0c621a862a5b3ddd4d0e9ec4ed21e8fa46501d1810ab47e74833fe6
[INFO] running `Command { std: "docker" "start" "-a" "304fb832f0c621a862a5b3ddd4d0e9ec4ed21e8fa46501d1810ab47e74833fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling leak v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Leak`
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         use super::Leak;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Leak`
[INFO] [stdout]    --> src/lib.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         use super::Leak;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "304fb832f0c621a862a5b3ddd4d0e9ec4ed21e8fa46501d1810ab47e74833fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304fb832f0c621a862a5b3ddd4d0e9ec4ed21e8fa46501d1810ab47e74833fe6", kill_on_drop: false }`
[INFO] [stdout] 304fb832f0c621a862a5b3ddd4d0e9ec4ed21e8fa46501d1810ab47e74833fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 279e40bb317c7b70f7f18435962309110e25982d8ae1b9f04effff987fbe6d5b
[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" "279e40bb317c7b70f7f18435962309110e25982d8ae1b9f04effff987fbe6d5b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::Leak`
[INFO] [stderr]   --> src/lib.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         use super::Leak;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Leak`
[INFO] [stderr]    --> src/lib.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         use super::Leak;
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leak` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leak-c373cb23e3936ce5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::leak_empty_str ... ok
[INFO] [stdout] test test::leak_box ... ok
[INFO] [stdout] test test::leak_vec ... ok
[INFO] [stdout] test test::leak_empty_vec ... ok
[INFO] [stdout] test test::leak_nested ... ok
[INFO] [stdout] test test::leak_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leak
[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" "279e40bb317c7b70f7f18435962309110e25982d8ae1b9f04effff987fbe6d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279e40bb317c7b70f7f18435962309110e25982d8ae1b9f04effff987fbe6d5b", kill_on_drop: false }`
[INFO] [stdout] 279e40bb317c7b70f7f18435962309110e25982d8ae1b9f04effff987fbe6d5b