[INFO] fetching crate undither 1.0.5...
[INFO] testing undither-1.0.5 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate undither 1.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate undither 1.0.5 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate undither 1.0.5
[INFO] finished tweaking crates.io crate undither 1.0.5
[INFO] tweaked toml for crates.io crate undither 1.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate undither 1.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vpsearch v2.0.1
[INFO] [stderr]   Downloaded loop9 v0.1.1
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 1d8bf8e15ecbc85fe4283ba213b4df30f606576da525f7e4ef832247d80b9fed
[INFO] running `Command { std: "docker" "start" "-a" "1d8bf8e15ecbc85fe4283ba213b4df30f606576da525f7e4ef832247d80b9fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8bf8e15ecbc85fe4283ba213b4df30f606576da525f7e4ef832247d80b9fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8bf8e15ecbc85fe4283ba213b4df30f606576da525f7e4ef832247d80b9fed", kill_on_drop: false }`
[INFO] [stdout] 1d8bf8e15ecbc85fe4283ba213b4df30f606576da525f7e4ef832247d80b9fed
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 712417cc7e63fb459b4d5670b619bdd05e443ab5aa8095c1792f40e72225b878
[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" "712417cc7e63fb459b4d5670b619bdd05e443ab5aa8095c1792f40e72225b878", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling imgref v1.6.1
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rgb v0.8.20
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling loop9 v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling vpsearch v2.0.1
[INFO] [stderr]    Compiling undither v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "712417cc7e63fb459b4d5670b619bdd05e443ab5aa8095c1792f40e72225b878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712417cc7e63fb459b4d5670b619bdd05e443ab5aa8095c1792f40e72225b878", kill_on_drop: false }`
[INFO] [stdout] 712417cc7e63fb459b4d5670b619bdd05e443ab5aa8095c1792f40e72225b878
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de1658e40956092c6e6a5cbf26b4f3d55be9e51f989589c3d641fcecff923d2
[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" "8de1658e40956092c6e6a5cbf26b4f3d55be9e51f989589c3d641fcecff923d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling undither v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "8de1658e40956092c6e6a5cbf26b4f3d55be9e51f989589c3d641fcecff923d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de1658e40956092c6e6a5cbf26b4f3d55be9e51f989589c3d641fcecff923d2", kill_on_drop: false }`
[INFO] [stdout] 8de1658e40956092c6e6a5cbf26b4f3d55be9e51f989589c3d641fcecff923d2
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3078175ef30d9a5f87fd6139c9d9c4ce8e88559314926c2b6632e2608fbbd579
[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" "3078175ef30d9a5f87fd6139c9d9c4ce8e88559314926c2b6632e2608fbbd579", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/undither-0110575097411c9b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pal::paltest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests undither
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3078175ef30d9a5f87fd6139c9d9c4ce8e88559314926c2b6632e2608fbbd579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3078175ef30d9a5f87fd6139c9d9c4ce8e88559314926c2b6632e2608fbbd579", kill_on_drop: false }`
[INFO] [stdout] 3078175ef30d9a5f87fd6139c9d9c4ce8e88559314926c2b6632e2608fbbd579