[INFO] fetching crate fera-ext 0.2.0...
[INFO] testing fera-ext-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fera-ext 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fera-ext 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fera-ext 0.2.0
[INFO] finished tweaking crates.io crate fera-ext 0.2.0
[INFO] tweaked toml for crates.io crate fera-ext 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7590c40c1f0cad1f745ca8856e021b071352acad38c2e0a40a7f5261ca8d0e1
[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" "f7590c40c1f0cad1f745ca8856e021b071352acad38c2e0a40a7f5261ca8d0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7590c40c1f0cad1f745ca8856e021b071352acad38c2e0a40a7f5261ca8d0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7590c40c1f0cad1f745ca8856e021b071352acad38c2e0a40a7f5261ca8d0e1", kill_on_drop: false }`
[INFO] [stdout] f7590c40c1f0cad1f745ca8856e021b071352acad38c2e0a40a7f5261ca8d0e1
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9661364fa90b7d93d72fe6345b956648e45a54aa144c063e2d484fdeb9a6a938
[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" "9661364fa90b7d93d72fe6345b956648e45a54aa144c063e2d484fdeb9a6a938", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling fera-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "9661364fa90b7d93d72fe6345b956648e45a54aa144c063e2d484fdeb9a6a938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9661364fa90b7d93d72fe6345b956648e45a54aa144c063e2d484fdeb9a6a938", kill_on_drop: false }`
[INFO] [stdout] 9661364fa90b7d93d72fe6345b956648e45a54aa144c063e2d484fdeb9a6a938
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 31311251d50ed4901001dae48720a2c84310cf1587700252cb4fdbc083e7ea38
[INFO] running `Command { std: "docker" "start" "-a" "31311251d50ed4901001dae48720a2c84310cf1587700252cb4fdbc083e7ea38", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling fera-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.30s
[INFO] running `Command { std: "docker" "inspect" "31311251d50ed4901001dae48720a2c84310cf1587700252cb4fdbc083e7ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31311251d50ed4901001dae48720a2c84310cf1587700252cb4fdbc083e7ea38", kill_on_drop: false }`
[INFO] [stdout] 31311251d50ed4901001dae48720a2c84310cf1587700252cb4fdbc083e7ea38
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 4f27935d46d117a63ff1630427868ad95514fdea256cd8e15a8e5e869f8dc487
[INFO] running `Command { std: "docker" "start" "-a" "4f27935d46d117a63ff1630427868ad95514fdea256cd8e15a8e5e869f8dc487", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fera_ext-794631ceca108c06)
[INFO] [stdout] test vec::tests::test_sorted_by ... ok
[INFO] [stdout] test vec::tests::test_shuffled ... ok
[INFO] [stdout] test vec::tests::test_reversed ... ok
[INFO] [stdout] test vec::tests::test_deduped ... ok
[INFO] [stdout] test vec::tests::test_sorted_by_key ... ok
[INFO] [stdout] test vec::tests::test_sorted ... ok
[INFO] [stdout] test vec::tests::test_truncated ... ok
[INFO] [stdout] test vec::tests::test_resized ... ok
[INFO] [stdout] test vec::tests::test_appended ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-39f38edeec9a4d8e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fera-ext
[INFO] [stdout] running 2 tests
[INFO] [stdout] test html_root_url ... ok
[INFO] [stdout] test readme_deps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/vec.rs - vec::VecExt (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f27935d46d117a63ff1630427868ad95514fdea256cd8e15a8e5e869f8dc487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f27935d46d117a63ff1630427868ad95514fdea256cd8e15a8e5e869f8dc487", kill_on_drop: false }`
[INFO] [stdout] 4f27935d46d117a63ff1630427868ad95514fdea256cd8e15a8e5e869f8dc487