[INFO] fetching crate alphanumeric-sort 1.4.0...
[INFO] testing alphanumeric-sort-1.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate alphanumeric-sort 1.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate alphanumeric-sort 1.4.0 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 alphanumeric-sort 1.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alphanumeric-sort 1.4.0
[INFO] tweaked toml for crates.io crate alphanumeric-sort 1.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate alphanumeric-sort 1.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] ad33a1792a777a1f0ce81fd384bd9d8bbf0fa765b96b06d56ab194a8f8845d06
[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" "ad33a1792a777a1f0ce81fd384bd9d8bbf0fa765b96b06d56ab194a8f8845d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad33a1792a777a1f0ce81fd384bd9d8bbf0fa765b96b06d56ab194a8f8845d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad33a1792a777a1f0ce81fd384bd9d8bbf0fa765b96b06d56ab194a8f8845d06", kill_on_drop: false }`
[INFO] [stdout] ad33a1792a777a1f0ce81fd384bd9d8bbf0fa765b96b06d56ab194a8f8845d06
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bef2365533171167fc40e9da06455a3c452a3393b112be9d4011e3548063ee9
[INFO] running `Command { std: "docker" "start" "-a" "6bef2365533171167fc40e9da06455a3c452a3393b112be9d4011e3548063ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling alphanumeric-sort v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6bef2365533171167fc40e9da06455a3c452a3393b112be9d4011e3548063ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bef2365533171167fc40e9da06455a3c452a3393b112be9d4011e3548063ee9", kill_on_drop: false }`
[INFO] [stdout] 6bef2365533171167fc40e9da06455a3c452a3393b112be9d4011e3548063ee9
[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" "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] 3b907f01344ed010dd7b729a8ca67e16c7048f5e93b76cf6de4d57fb9d16dfc2
[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" "3b907f01344ed010dd7b729a8ca67e16c7048f5e93b76cf6de4d57fb9d16dfc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling alphanumeric-sort v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "3b907f01344ed010dd7b729a8ca67e16c7048f5e93b76cf6de4d57fb9d16dfc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b907f01344ed010dd7b729a8ca67e16c7048f5e93b76cf6de4d57fb9d16dfc2", kill_on_drop: false }`
[INFO] [stdout] 3b907f01344ed010dd7b729a8ca67e16c7048f5e93b76cf6de4d57fb9d16dfc2
[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" "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] 18bed7a507733becb6d0231ccfbf6a9de5533f7b009dd1e01d925703e5656fc2
[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" "18bed7a507733becb6d0231ccfbf6a9de5533f7b009dd1e01d925703e5656fc2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alphanumeric_sort-fef7d584d552852d
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests alphanumeric-sort
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18bed7a507733becb6d0231ccfbf6a9de5533f7b009dd1e01d925703e5656fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bed7a507733becb6d0231ccfbf6a9de5533f7b009dd1e01d925703e5656fc2", kill_on_drop: false }`
[INFO] [stdout] 18bed7a507733becb6d0231ccfbf6a9de5533f7b009dd1e01d925703e5656fc2