[INFO] fetching crate lfs-core 0.3.1...
[INFO] testing lfs-core-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lfs-core 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lfs-core 0.3.1 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 lfs-core 0.3.1
[INFO] finished tweaking crates.io crate lfs-core 0.3.1
[INFO] tweaked toml for crates.io crate lfs-core 0.3.1 written to /workspace/builds/worker-6/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-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] 07e254f529aa067fd06d8fd9294771ccd84eb12d539633096edd598a4f979df8
[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" "07e254f529aa067fd06d8fd9294771ccd84eb12d539633096edd598a4f979df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e254f529aa067fd06d8fd9294771ccd84eb12d539633096edd598a4f979df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e254f529aa067fd06d8fd9294771ccd84eb12d539633096edd598a4f979df8", kill_on_drop: false }`
[INFO] [stdout] 07e254f529aa067fd06d8fd9294771ccd84eb12d539633096edd598a4f979df8
[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] [stdout] 104b206a97b0e7d0fd0ece949e58aa250a9cc1e6df2c811a3c175910d409f281
[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" "104b206a97b0e7d0fd0ece949e58aa250a9cc1e6df2c811a3c175910d409f281", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfs-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "104b206a97b0e7d0fd0ece949e58aa250a9cc1e6df2c811a3c175910d409f281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104b206a97b0e7d0fd0ece949e58aa250a9cc1e6df2c811a3c175910d409f281", kill_on_drop: false }`
[INFO] [stdout] 104b206a97b0e7d0fd0ece949e58aa250a9cc1e6df2c811a3c175910d409f281
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac045edc9c1309208d566d3e2cc142ba00ff87e056b861e1d351291822007180
[INFO] running `Command { std: "docker" "start" "-a" "ac045edc9c1309208d566d3e2cc142ba00ff87e056b861e1d351291822007180", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfs-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "ac045edc9c1309208d566d3e2cc142ba00ff87e056b861e1d351291822007180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac045edc9c1309208d566d3e2cc142ba00ff87e056b861e1d351291822007180", kill_on_drop: false }`
[INFO] [stdout] ac045edc9c1309208d566d3e2cc142ba00ff87e056b861e1d351291822007180
[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] 2ed5af191f9453376a636d3d9c2f404aa52e397a90e0b7ae7520eb72e24f9dd3
[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" "2ed5af191f9453376a636d3d9c2f404aa52e397a90e0b7ae7520eb72e24f9dd3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lfs_core-98009f3b7da38c3c
[INFO] [stderr]    Doc-tests lfs-core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test device_id::test_from_u64 ... ok
[INFO] [stdout] test device_id::test_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ed5af191f9453376a636d3d9c2f404aa52e397a90e0b7ae7520eb72e24f9dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed5af191f9453376a636d3d9c2f404aa52e397a90e0b7ae7520eb72e24f9dd3", kill_on_drop: false }`
[INFO] [stdout] 2ed5af191f9453376a636d3d9c2f404aa52e397a90e0b7ae7520eb72e24f9dd3