[INFO] fetching crate circle_buffer 0.1.3...
[INFO] testing circle_buffer-0.1.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate circle_buffer 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate circle_buffer 0.1.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circle_buffer 0.1.3
[INFO] finished tweaking crates.io crate circle_buffer 0.1.3
[INFO] tweaked toml for crates.io crate circle_buffer 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86ea76bae478980b1afe36dafc6733890170a7c1e26e45941a12756bf3c15cae
[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" "86ea76bae478980b1afe36dafc6733890170a7c1e26e45941a12756bf3c15cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86ea76bae478980b1afe36dafc6733890170a7c1e26e45941a12756bf3c15cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ea76bae478980b1afe36dafc6733890170a7c1e26e45941a12756bf3c15cae", kill_on_drop: false }`
[INFO] [stdout] 86ea76bae478980b1afe36dafc6733890170a7c1e26e45941a12756bf3c15cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 02154ee53c47a3cfdc0079075f5515a40975970fe8769994f116521bb675d91a
[INFO] running `Command { std: "docker" "start" "-a" "02154ee53c47a3cfdc0079075f5515a40975970fe8769994f116521bb675d91a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling circle_buffer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "02154ee53c47a3cfdc0079075f5515a40975970fe8769994f116521bb675d91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02154ee53c47a3cfdc0079075f5515a40975970fe8769994f116521bb675d91a", kill_on_drop: false }`
[INFO] [stdout] 02154ee53c47a3cfdc0079075f5515a40975970fe8769994f116521bb675d91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] de9e88a66c3340c98f168f9643a66b57ba3d29d660c8bad037c3da5332c11d07
[INFO] running `Command { std: "docker" "start" "-a" "de9e88a66c3340c98f168f9643a66b57ba3d29d660c8bad037c3da5332c11d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling circle_buffer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "de9e88a66c3340c98f168f9643a66b57ba3d29d660c8bad037c3da5332c11d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9e88a66c3340c98f168f9643a66b57ba3d29d660c8bad037c3da5332c11d07", kill_on_drop: false }`
[INFO] [stdout] de9e88a66c3340c98f168f9643a66b57ba3d29d660c8bad037c3da5332c11d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81eaef3b1be41389d1356e39a0583515467b8d5f494523b0abb8ca851b83ffaf
[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" "81eaef3b1be41389d1356e39a0583515467b8d5f494523b0abb8ca851b83ffaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circle_buffer-48a9edb5c6fdd462)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_index_mut ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_iter_mut ... ok
[INFO] [stdout] test tests::test_push ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circle_buffer
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::len (line 50) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::push (line 91) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::is_empty (line 73) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::with_capacity (line 19) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::capacity (line 36) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::iter (line 163) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::iter_mut (line 187) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::zero_clear (line 217) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81eaef3b1be41389d1356e39a0583515467b8d5f494523b0abb8ca851b83ffaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81eaef3b1be41389d1356e39a0583515467b8d5f494523b0abb8ca851b83ffaf", kill_on_drop: false }`
[INFO] [stdout] 81eaef3b1be41389d1356e39a0583515467b8d5f494523b0abb8ca851b83ffaf