[INFO] fetching crate cargo-next 0.1.4...
[INFO] testing cargo-next-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-next 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-next 0.1.4 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 cargo-next 0.1.4
[INFO] finished tweaking crates.io crate cargo-next 0.1.4
[INFO] tweaked toml for crates.io crate cargo-next 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-next 0.1.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.3.3
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757657f3f934cf18fc61cf8a87bd05565568c92054e17f154ca2d76bc27592fe
[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" "757657f3f934cf18fc61cf8a87bd05565568c92054e17f154ca2d76bc27592fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757657f3f934cf18fc61cf8a87bd05565568c92054e17f154ca2d76bc27592fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757657f3f934cf18fc61cf8a87bd05565568c92054e17f154ca2d76bc27592fe", kill_on_drop: false }`
[INFO] [stdout] 757657f3f934cf18fc61cf8a87bd05565568c92054e17f154ca2d76bc27592fe
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] accd74c9b9a015ba86533ce280496066161f208768a8b5453acdde57eac13e9a
[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" "accd74c9b9a015ba86533ce280496066161f208768a8b5453acdde57eac13e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling pico-args v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling toml_edit v0.2.0
[INFO] [stderr]    Compiling cargo-next v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.74s
[INFO] running `Command { std: "docker" "inspect" "accd74c9b9a015ba86533ce280496066161f208768a8b5453acdde57eac13e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accd74c9b9a015ba86533ce280496066161f208768a8b5453acdde57eac13e9a", kill_on_drop: false }`
[INFO] [stdout] accd74c9b9a015ba86533ce280496066161f208768a8b5453acdde57eac13e9a
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] d47e45bcdc24b19dfce6999e51442d6f54e6dcaf251caeb08726cb97403251ec
[INFO] running `Command { std: "docker" "start" "-a" "d47e45bcdc24b19dfce6999e51442d6f54e6dcaf251caeb08726cb97403251ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-next v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "d47e45bcdc24b19dfce6999e51442d6f54e6dcaf251caeb08726cb97403251ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47e45bcdc24b19dfce6999e51442d6f54e6dcaf251caeb08726cb97403251ec", kill_on_drop: false }`
[INFO] [stdout] d47e45bcdc24b19dfce6999e51442d6f54e6dcaf251caeb08726cb97403251ec
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 873b8e741ad0fe4890c7d1761dfbb0bd62330b7ed41ead7f43e6dec59108e705
[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" "873b8e741ad0fe4890c7d1761dfbb0bd62330b7ed41ead7f43e6dec59108e705", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_next-6fb117839633ff12
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_next-6561e985356c040c
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cargo-next
[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" "873b8e741ad0fe4890c7d1761dfbb0bd62330b7ed41ead7f43e6dec59108e705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873b8e741ad0fe4890c7d1761dfbb0bd62330b7ed41ead7f43e6dec59108e705", kill_on_drop: false }`
[INFO] [stdout] 873b8e741ad0fe4890c7d1761dfbb0bd62330b7ed41ead7f43e6dec59108e705