[INFO] fetching crate huffman-encoding 0.1.2...
[INFO] testing huffman-encoding-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate huffman-encoding 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate huffman-encoding 0.1.2 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 huffman-encoding 0.1.2
[INFO] finished tweaking crates.io crate huffman-encoding 0.1.2
[INFO] tweaked toml for crates.io crate huffman-encoding 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 16ab9bcb1d887216b35669b2910e0521d35e9dffa779f5f5b23bdaaf29d91c40
[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" "16ab9bcb1d887216b35669b2910e0521d35e9dffa779f5f5b23bdaaf29d91c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ab9bcb1d887216b35669b2910e0521d35e9dffa779f5f5b23bdaaf29d91c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ab9bcb1d887216b35669b2910e0521d35e9dffa779f5f5b23bdaaf29d91c40", kill_on_drop: false }`
[INFO] [stdout] 16ab9bcb1d887216b35669b2910e0521d35e9dffa779f5f5b23bdaaf29d91c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4916d700b1647051f09b38b27a3c4ba542c53328b96b62111a219bb0604f9ba2
[INFO] running `Command { std: "docker" "start" "-a" "4916d700b1647051f09b38b27a3c4ba542c53328b96b62111a219bb0604f9ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "4916d700b1647051f09b38b27a3c4ba542c53328b96b62111a219bb0604f9ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4916d700b1647051f09b38b27a3c4ba542c53328b96b62111a219bb0604f9ba2", kill_on_drop: false }`
[INFO] [stdout] 4916d700b1647051f09b38b27a3c4ba542c53328b96b62111a219bb0604f9ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 841e1478a0dd19cb39f1096a030f1e4776164094dea65a10ce71ce057c5d1ff2
[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" "841e1478a0dd19cb39f1096a030f1e4776164094dea65a10ce71ce057c5d1ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "841e1478a0dd19cb39f1096a030f1e4776164094dea65a10ce71ce057c5d1ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841e1478a0dd19cb39f1096a030f1e4776164094dea65a10ce71ce057c5d1ff2", kill_on_drop: false }`
[INFO] [stdout] 841e1478a0dd19cb39f1096a030f1e4776164094dea65a10ce71ce057c5d1ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1cf80d7445766136a1796bc91270877cf49141def082d72c3551a4e662e44d2a
[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" "1cf80d7445766136a1796bc91270877cf49141def082d72c3551a4e662e44d2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman_encoding-b4fff5aba43ac9ef)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests huffman-encoding
[INFO] [stdout] test tests::test_encode_decode_i32 ... ok
[INFO] [stdout] test tests::test_encode_decode_string ... ok
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cf80d7445766136a1796bc91270877cf49141def082d72c3551a4e662e44d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf80d7445766136a1796bc91270877cf49141def082d72c3551a4e662e44d2a", kill_on_drop: false }`
[INFO] [stdout] 1cf80d7445766136a1796bc91270877cf49141def082d72c3551a4e662e44d2a