[INFO] fetching crate xtract 0.0.2...
[INFO] testing xtract-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xtract 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xtract 0.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtract 0.0.2
[INFO] finished tweaking crates.io crate xtract 0.0.2
[INFO] tweaked toml for crates.io crate xtract 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate xtract 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d545a873d7df45ff23cc7107575fc2232b70eaf12b722982e7c9adc923c08ca0
[INFO] running `Command { std: "docker" "start" "-a" "d545a873d7df45ff23cc7107575fc2232b70eaf12b722982e7c9adc923c08ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d545a873d7df45ff23cc7107575fc2232b70eaf12b722982e7c9adc923c08ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d545a873d7df45ff23cc7107575fc2232b70eaf12b722982e7c9adc923c08ca0", kill_on_drop: false }`
[INFO] [stdout] d545a873d7df45ff23cc7107575fc2232b70eaf12b722982e7c9adc923c08ca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca74191e70aafff1cb0e6fe436d1d82454178b0574489f7591eea30b3c6882a1
[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" "ca74191e70aafff1cb0e6fe436d1d82454178b0574489f7591eea30b3c6882a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtract v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "ca74191e70aafff1cb0e6fe436d1d82454178b0574489f7591eea30b3c6882a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca74191e70aafff1cb0e6fe436d1d82454178b0574489f7591eea30b3c6882a1", kill_on_drop: false }`
[INFO] [stdout] ca74191e70aafff1cb0e6fe436d1d82454178b0574489f7591eea30b3c6882a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d76b89a6b0e71707b9242ffa7d05f709890d0fe644397570c90ccbedf684e582
[INFO] running `Command { std: "docker" "start" "-a" "d76b89a6b0e71707b9242ffa7d05f709890d0fe644397570c90ccbedf684e582", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtract v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "d76b89a6b0e71707b9242ffa7d05f709890d0fe644397570c90ccbedf684e582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76b89a6b0e71707b9242ffa7d05f709890d0fe644397570c90ccbedf684e582", kill_on_drop: false }`
[INFO] [stdout] d76b89a6b0e71707b9242ffa7d05f709890d0fe644397570c90ccbedf684e582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88168f5c2b8bda61ac6b7a778634807ac7b7bff9cb7027c62a7049db6ed36da4
[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" "88168f5c2b8bda61ac6b7a778634807ac7b7bff9cb7027c62a7049db6ed36da4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xtract-f01de2958ec85fa7
[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" "88168f5c2b8bda61ac6b7a778634807ac7b7bff9cb7027c62a7049db6ed36da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88168f5c2b8bda61ac6b7a778634807ac7b7bff9cb7027c62a7049db6ed36da4", kill_on_drop: false }`
[INFO] [stdout] 88168f5c2b8bda61ac6b7a778634807ac7b7bff9cb7027c62a7049db6ed36da4