[INFO] fetching crate dunex 0.0.0...
[INFO] testing dunex-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dunex 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dunex 0.0.0 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 dunex 0.0.0
[INFO] finished tweaking crates.io crate dunex 0.0.0
[INFO] tweaked toml for crates.io crate dunex 0.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cd18947d58828bd914be4e57d325a212ae159cde96294456f037e1f1feae73f2
[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" "cd18947d58828bd914be4e57d325a212ae159cde96294456f037e1f1feae73f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd18947d58828bd914be4e57d325a212ae159cde96294456f037e1f1feae73f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd18947d58828bd914be4e57d325a212ae159cde96294456f037e1f1feae73f2", kill_on_drop: false }`
[INFO] [stdout] cd18947d58828bd914be4e57d325a212ae159cde96294456f037e1f1feae73f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f47e8a455f2549242eef74314d5a19f84ab0ad7aab42d4a67ebd41da0b04db7
[INFO] running `Command { std: "docker" "start" "-a" "0f47e8a455f2549242eef74314d5a19f84ab0ad7aab42d4a67ebd41da0b04db7", kill_on_drop: false }`
[INFO] [stderr]    Compiling dunex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "0f47e8a455f2549242eef74314d5a19f84ab0ad7aab42d4a67ebd41da0b04db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f47e8a455f2549242eef74314d5a19f84ab0ad7aab42d4a67ebd41da0b04db7", kill_on_drop: false }`
[INFO] [stdout] 0f47e8a455f2549242eef74314d5a19f84ab0ad7aab42d4a67ebd41da0b04db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b83c99361fd243fc65f73f120e46010cdb4b0f7b6e0bbbe58541d9935fe88edd
[INFO] running `Command { std: "docker" "start" "-a" "b83c99361fd243fc65f73f120e46010cdb4b0f7b6e0bbbe58541d9935fe88edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling dunex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "b83c99361fd243fc65f73f120e46010cdb4b0f7b6e0bbbe58541d9935fe88edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83c99361fd243fc65f73f120e46010cdb4b0f7b6e0bbbe58541d9935fe88edd", kill_on_drop: false }`
[INFO] [stdout] b83c99361fd243fc65f73f120e46010cdb4b0f7b6e0bbbe58541d9935fe88edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 03ace4c5ef9e6bf21bfdb27e731d96fa5cd2c4c49b2e508961210f42972a3dce
[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" "03ace4c5ef9e6bf21bfdb27e731d96fa5cd2c4c49b2e508961210f42972a3dce", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dunex-6d33173a249983ab
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dunex
[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] running `Command { std: "docker" "inspect" "03ace4c5ef9e6bf21bfdb27e731d96fa5cd2c4c49b2e508961210f42972a3dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ace4c5ef9e6bf21bfdb27e731d96fa5cd2c4c49b2e508961210f42972a3dce", kill_on_drop: false }`
[INFO] [stdout] 03ace4c5ef9e6bf21bfdb27e731d96fa5cd2c4c49b2e508961210f42972a3dce