[INFO] fetching crate ferris 0.2.0...
[INFO] testing ferris-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ferris 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ferris 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferris 0.2.0
[INFO] finished tweaking crates.io crate ferris 0.2.0
[INFO] tweaked toml for crates.io crate ferris 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e199b10d4fc1584dd6872a3064522e6a100cf5ef8b112fcfc4c4f32ef675cfbb
[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" "e199b10d4fc1584dd6872a3064522e6a100cf5ef8b112fcfc4c4f32ef675cfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e199b10d4fc1584dd6872a3064522e6a100cf5ef8b112fcfc4c4f32ef675cfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e199b10d4fc1584dd6872a3064522e6a100cf5ef8b112fcfc4c4f32ef675cfbb", kill_on_drop: false }`
[INFO] [stdout] e199b10d4fc1584dd6872a3064522e6a100cf5ef8b112fcfc4c4f32ef675cfbb
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb009a0510d03f53db48c67b40192221ef188a6375f3afd22448d180c05f4a90
[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" "cb009a0510d03f53db48c67b40192221ef188a6375f3afd22448d180c05f4a90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ferris v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "cb009a0510d03f53db48c67b40192221ef188a6375f3afd22448d180c05f4a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb009a0510d03f53db48c67b40192221ef188a6375f3afd22448d180c05f4a90", kill_on_drop: false }`
[INFO] [stdout] cb009a0510d03f53db48c67b40192221ef188a6375f3afd22448d180c05f4a90
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da93712d0ffde08fa0dba19f3a5b09daea90390be2fb74d8a27189081479336
[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" "4da93712d0ffde08fa0dba19f3a5b09daea90390be2fb74d8a27189081479336", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferris v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "4da93712d0ffde08fa0dba19f3a5b09daea90390be2fb74d8a27189081479336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da93712d0ffde08fa0dba19f3a5b09daea90390be2fb74d8a27189081479336", kill_on_drop: false }`
[INFO] [stdout] 4da93712d0ffde08fa0dba19f3a5b09daea90390be2fb74d8a27189081479336
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c06924889a065379b8f2b5c919a3bbfdc4e873eda8878d0f0e7dce5eda2c95a
[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" "5c06924889a065379b8f2b5c919a3bbfdc4e873eda8878d0f0e7dce5eda2c95a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ferris-9e2bc24abdac7282
[INFO] [stdout] test tests::wheel_sizes_correct ... ok
[INFO] [stdout] test tests::resolutions_sorted_and_deduped ... ok
[INFO] [stdout] test copy_wheel::tests::start_and_stop_then_expire ... ok
[INFO] [stdout] test alloc_wheel::tests::start_and_stop_then_expire ... ok
[INFO] [stdout] test alloc_wheel::tests::start_and_expire ... ok
[INFO] [stderr]    Doc-tests ferris
[INFO] [stdout] test copy_wheel::tests::start_and_expire ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "5c06924889a065379b8f2b5c919a3bbfdc4e873eda8878d0f0e7dce5eda2c95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c06924889a065379b8f2b5c919a3bbfdc4e873eda8878d0f0e7dce5eda2c95a", kill_on_drop: false }`
[INFO] [stdout] 5c06924889a065379b8f2b5c919a3bbfdc4e873eda8878d0f0e7dce5eda2c95a