[INFO] fetching crate wtf8 0.1.0...
[INFO] testing wtf8-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate wtf8 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wtf8 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wtf8 0.1.0
[INFO] finished tweaking crates.io crate wtf8 0.1.0
[INFO] tweaked toml for crates.io crate wtf8 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] c9459f12e318101b6b33592fd12c01647d9569b087a624791f84b66e1cce266b
[INFO] running `Command { std: "docker" "start" "-a" "c9459f12e318101b6b33592fd12c01647d9569b087a624791f84b66e1cce266b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9459f12e318101b6b33592fd12c01647d9569b087a624791f84b66e1cce266b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9459f12e318101b6b33592fd12c01647d9569b087a624791f84b66e1cce266b", kill_on_drop: false }`
[INFO] [stdout] c9459f12e318101b6b33592fd12c01647d9569b087a624791f84b66e1cce266b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b00ca517d9d9d20b3a9ea8cf93a6519a2d87c9782c877f57d729d54287bc25a7
[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" "b00ca517d9d9d20b3a9ea8cf93a6519a2d87c9782c877f57d729d54287bc25a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b00ca517d9d9d20b3a9ea8cf93a6519a2d87c9782c877f57d729d54287bc25a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00ca517d9d9d20b3a9ea8cf93a6519a2d87c9782c877f57d729d54287bc25a7", kill_on_drop: false }`
[INFO] [stdout] b00ca517d9d9d20b3a9ea8cf93a6519a2d87c9782c877f57d729d54287bc25a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6028dd49db28fdcdbc2efe52dae25a8c9aa3a8b2603a16bafd8e3dbbc115dd5c
[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" "6028dd49db28fdcdbc2efe52dae25a8c9aa3a8b2603a16bafd8e3dbbc115dd5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "6028dd49db28fdcdbc2efe52dae25a8c9aa3a8b2603a16bafd8e3dbbc115dd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6028dd49db28fdcdbc2efe52dae25a8c9aa3a8b2603a16bafd8e3dbbc115dd5c", kill_on_drop: false }`
[INFO] [stdout] 6028dd49db28fdcdbc2efe52dae25a8c9aa3a8b2603a16bafd8e3dbbc115dd5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c04cbbde1e0573b3e07ae4b77a4ad281ed6a61979f67045d124ea40c9d36aba
[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" "3c04cbbde1e0573b3e07ae4b77a4ad281ed6a61979f67045d124ea40c9d36aba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wtf8-cffb71d61be82fa9)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test tests::code_point_from_u32 ... ok
[INFO] [stdout] test tests::code_point_to_u32 ... ok
[INFO] [stdout] test tests::code_point_to_char_lossy ... ok
[INFO] [stdout] test tests::code_point_to_string ... ok
[INFO] [stdout] test tests::wtf8_len ... ok
[INFO] [stdout] test tests::code_point_from_char ... ok
[INFO] [stdout] test tests::wtf8_from_str ... ok
[INFO] [stdout] test tests::wtf8_slice ... ok
[INFO] [stdout] test tests::wtf8_slice_from ... ok
[INFO] [stdout] test tests::wtf8_debug ... ok
[INFO] [stdout] test tests::wtf8_to_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8buf_from_str ... ok
[INFO] [stdout] test tests::wtf8buf_from_iterator ... ok
[INFO] [stdout] test tests::wtf8_code_points ... ok
[INFO] [stdout] test tests::code_point_to_char ... ok
[INFO] [stdout] test tests::wtf8buf_debug ... ok
[INFO] [stdout] test tests::wtf8buf_new ... ok
[INFO] [stdout] test tests::wtf8buf_from_string ... ok
[INFO] [stdout] test tests::wtf8buf_push_char ... ok
[INFO] [stdout] test tests::wtf8buf_push_wtf8 ... ok
[INFO] [stdout] test tests::wtf8buf_truncate ... ok
[INFO] [stdout] test tests::wtf8buf_push_str ... ok
[INFO] [stdout] test tests::wtf8buf_into_string ... ok
[INFO] [stdout] test tests::wtf8_as_str ... ok
[INFO] [stdout] test tests::wtf8buf_push ... ok
[INFO] [stdout] test tests::wtf8_ascii_byte_at ... ok
[INFO] [stdout] test tests::wtf8buf_extend ... ok
[INFO] [stdout] test tests::wtf8buf_into_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_from_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8_slice_to ... ok
[INFO] [stdout] test tests::wtf8_to_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_as_slice ... ok
[INFO] [stdout] test tests::wtf8_slice_not_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8_slice_from_not_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8_slice_to_not_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_longer - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c04cbbde1e0573b3e07ae4b77a4ad281ed6a61979f67045d124ea40c9d36aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c04cbbde1e0573b3e07ae4b77a4ad281ed6a61979f67045d124ea40c9d36aba", kill_on_drop: false }`
[INFO] [stdout] 3c04cbbde1e0573b3e07ae4b77a4ad281ed6a61979f67045d124ea40c9d36aba