[INFO] fetching crate workspace 0.4.2...
[INFO] testing workspace-0.4.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate workspace 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate workspace 0.4.2 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 workspace 0.4.2
[INFO] finished tweaking crates.io crate workspace 0.4.2
[INFO] tweaked toml for crates.io crate workspace 0.4.2 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d352c08022845a6f85e7fa1bc98c64392aa01d8c5a258fd043df49fe654afb
[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" "b5d352c08022845a6f85e7fa1bc98c64392aa01d8c5a258fd043df49fe654afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d352c08022845a6f85e7fa1bc98c64392aa01d8c5a258fd043df49fe654afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d352c08022845a6f85e7fa1bc98c64392aa01d8c5a258fd043df49fe654afb", kill_on_drop: false }`
[INFO] [stdout] b5d352c08022845a6f85e7fa1bc98c64392aa01d8c5a258fd043df49fe654afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0749dc69972bb48e7639aba2c256f762eb5149b0cf444411d88fc6adadd6e6
[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" "4d0749dc69972bb48e7639aba2c256f762eb5149b0cf444411d88fc6adadd6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling term_grid v0.1.7
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling workspace v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "4d0749dc69972bb48e7639aba2c256f762eb5149b0cf444411d88fc6adadd6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0749dc69972bb48e7639aba2c256f762eb5149b0cf444411d88fc6adadd6e6", kill_on_drop: false }`
[INFO] [stdout] 4d0749dc69972bb48e7639aba2c256f762eb5149b0cf444411d88fc6adadd6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+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] a60ea5ca53df9387128283e0267dc08e6433b9199cb505c0eadc3889c942f181
[INFO] running `Command { std: "docker" "start" "-a" "a60ea5ca53df9387128283e0267dc08e6433b9199cb505c0eadc3889c942f181", kill_on_drop: false }`
[INFO] [stderr]    Compiling workspace v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "a60ea5ca53df9387128283e0267dc08e6433b9199cb505c0eadc3889c942f181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60ea5ca53df9387128283e0267dc08e6433b9199cb505c0eadc3889c942f181", kill_on_drop: false }`
[INFO] [stdout] a60ea5ca53df9387128283e0267dc08e6433b9199cb505c0eadc3889c942f181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aee43c22a4f165f64f5b455e76db1b8dde0c0902559c3d0acef3bbfab8592b1c
[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" "aee43c22a4f165f64f5b455e76db1b8dde0c0902559c3d0acef3bbfab8592b1c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/workspace-231393163e99e46c
[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" "aee43c22a4f165f64f5b455e76db1b8dde0c0902559c3d0acef3bbfab8592b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee43c22a4f165f64f5b455e76db1b8dde0c0902559c3d0acef3bbfab8592b1c", kill_on_drop: false }`
[INFO] [stdout] aee43c22a4f165f64f5b455e76db1b8dde0c0902559c3d0acef3bbfab8592b1c