[INFO] fetching crate tab-api 0.5.3...
[INFO] testing tab-api-0.5.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tab-api 0.5.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tab-api 0.5.3 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 tab-api 0.5.3
[INFO] finished tweaking crates.io crate tab-api 0.5.3
[INFO] tweaked toml for crates.io crate tab-api 0.5.3 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 61e0683efa1f68f761a5451896db9494c886e91a2576ef925c7ead6af0fa3f65
[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" "61e0683efa1f68f761a5451896db9494c886e91a2576ef925c7ead6af0fa3f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e0683efa1f68f761a5451896db9494c886e91a2576ef925c7ead6af0fa3f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e0683efa1f68f761a5451896db9494c886e91a2576ef925c7ead6af0fa3f65", kill_on_drop: false }`
[INFO] [stdout] 61e0683efa1f68f761a5451896db9494c886e91a2576ef925c7ead6af0fa3f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 857c09d00995150d3ed2700adc862d945c7cf016ca6f15a7fd9e8366b01daffe
[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" "857c09d00995150d3ed2700adc862d945c7cf016ca6f15a7fd9e8366b01daffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysinfo v0.15.4
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling snailquote v0.3.0
[INFO] [stderr]    Compiling serde_yaml v0.8.15
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling lifeline v0.4.0
[INFO] [stderr]    Compiling tab-api v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.28s
[INFO] running `Command { std: "docker" "inspect" "857c09d00995150d3ed2700adc862d945c7cf016ca6f15a7fd9e8366b01daffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857c09d00995150d3ed2700adc862d945c7cf016ca6f15a7fd9e8366b01daffe", kill_on_drop: false }`
[INFO] [stdout] 857c09d00995150d3ed2700adc862d945c7cf016ca6f15a7fd9e8366b01daffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f3d894e0260312918d2a84e88098d0207ab77a2575497065cc1098b671bbdebf
[INFO] running `Command { std: "docker" "start" "-a" "f3d894e0260312918d2a84e88098d0207ab77a2575497065cc1098b671bbdebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling tab-api v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "f3d894e0260312918d2a84e88098d0207ab77a2575497065cc1098b671bbdebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d894e0260312918d2a84e88098d0207ab77a2575497065cc1098b671bbdebf", kill_on_drop: false }`
[INFO] [stdout] f3d894e0260312918d2a84e88098d0207ab77a2575497065cc1098b671bbdebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4c169a9c6e3292b2bd1bc1deb3ad91ff39c23e5e5d5d96b7bf889ae95c2e3325
[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" "4c169a9c6e3292b2bd1bc1deb3ad91ff39c23e5e5d5d96b7bf889ae95c2e3325", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tab_api-f910cdb1d60d12c6
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test config::tests::daemonfile_path_matches ... ok
[INFO] [stdout] test config::tests::data_path_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tab-api
[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" "4c169a9c6e3292b2bd1bc1deb3ad91ff39c23e5e5d5d96b7bf889ae95c2e3325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c169a9c6e3292b2bd1bc1deb3ad91ff39c23e5e5d5d96b7bf889ae95c2e3325", kill_on_drop: false }`
[INFO] [stdout] 4c169a9c6e3292b2bd1bc1deb3ad91ff39c23e5e5d5d96b7bf889ae95c2e3325