[INFO] fetching crate cargo-subcommand 0.4.6...
[INFO] testing cargo-subcommand-0.4.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-subcommand 0.4.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cargo-subcommand 0.4.6 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 cargo-subcommand 0.4.6
[INFO] finished tweaking crates.io crate cargo-subcommand 0.4.6
[INFO] tweaked toml for crates.io crate cargo-subcommand 0.4.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate cargo-subcommand 0.4.6 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 13736efb2d7cc586174e0ecfb2ff644e7a7ac38b105a7feceb82515c7e684b67
[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" "13736efb2d7cc586174e0ecfb2ff644e7a7ac38b105a7feceb82515c7e684b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13736efb2d7cc586174e0ecfb2ff644e7a7ac38b105a7feceb82515c7e684b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13736efb2d7cc586174e0ecfb2ff644e7a7ac38b105a7feceb82515c7e684b67", kill_on_drop: false }`
[INFO] [stdout] 13736efb2d7cc586174e0ecfb2ff644e7a7ac38b105a7feceb82515c7e684b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] df416eb4c5882c0f4af693ed3f39b2d0e1ee7c07cc2b3fc234dcde28a2eca2bb
[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" "df416eb4c5882c0f4af693ed3f39b2d0e1ee7c07cc2b3fc234dcde28a2eca2bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling cargo-subcommand v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.17s
[INFO] running `Command { std: "docker" "inspect" "df416eb4c5882c0f4af693ed3f39b2d0e1ee7c07cc2b3fc234dcde28a2eca2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df416eb4c5882c0f4af693ed3f39b2d0e1ee7c07cc2b3fc234dcde28a2eca2bb", kill_on_drop: false }`
[INFO] [stdout] df416eb4c5882c0f4af693ed3f39b2d0e1ee7c07cc2b3fc234dcde28a2eca2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] d2696f79696d6c4d6d7000939b429573c28227af15716fc5aace29c181b153ff
[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" "d2696f79696d6c4d6d7000939b429573c28227af15716fc5aace29c181b153ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-subcommand v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d2696f79696d6c4d6d7000939b429573c28227af15716fc5aace29c181b153ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2696f79696d6c4d6d7000939b429573c28227af15716fc5aace29c181b153ff", kill_on_drop: false }`
[INFO] [stdout] d2696f79696d6c4d6d7000939b429573c28227af15716fc5aace29c181b153ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0e23e86730431043095358052a44adb14f2252ef40be3e0bc76543bc28705825
[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" "0e23e86730431043095358052a44adb14f2252ef40be3e0bc76543bc28705825", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_subcommand-fd2cc6a2e36bd5eb
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_subcommand-29c04b98f01219cf
[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] [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] [stderr]    Doc-tests cargo-subcommand
[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" "0e23e86730431043095358052a44adb14f2252ef40be3e0bc76543bc28705825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e23e86730431043095358052a44adb14f2252ef40be3e0bc76543bc28705825", kill_on_drop: false }`
[INFO] [stdout] 0e23e86730431043095358052a44adb14f2252ef40be3e0bc76543bc28705825