[INFO] fetching crate wtf8 0.1.0...
[INFO] testing wtf8-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate wtf8 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wtf8 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4be0399ad979566c463c97366617033ba10363a3e9b56405b57a58104d59f962
[INFO] running `Command { std: "docker" "start" "-a" "4be0399ad979566c463c97366617033ba10363a3e9b56405b57a58104d59f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be0399ad979566c463c97366617033ba10363a3e9b56405b57a58104d59f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be0399ad979566c463c97366617033ba10363a3e9b56405b57a58104d59f962", kill_on_drop: false }`
[INFO] [stdout] 4be0399ad979566c463c97366617033ba10363a3e9b56405b57a58104d59f962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7dee6bf839b96dac869d7d61b340db54638df40d248bee8f38677d7c8ca385
[INFO] running `Command { std: "docker" "start" "-a" "4e7dee6bf839b96dac869d7d61b340db54638df40d248bee8f38677d7c8ca385", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4e7dee6bf839b96dac869d7d61b340db54638df40d248bee8f38677d7c8ca385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7dee6bf839b96dac869d7d61b340db54638df40d248bee8f38677d7c8ca385", kill_on_drop: false }`
[INFO] [stdout] 4e7dee6bf839b96dac869d7d61b340db54638df40d248bee8f38677d7c8ca385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3f058b327e677712b1d075e50ec358e032c27976ea38970b2618f9eb65e0e8
[INFO] running `Command { std: "docker" "start" "-a" "1d3f058b327e677712b1d075e50ec358e032c27976ea38970b2618f9eb65e0e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1d3f058b327e677712b1d075e50ec358e032c27976ea38970b2618f9eb65e0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3f058b327e677712b1d075e50ec358e032c27976ea38970b2618f9eb65e0e8", kill_on_drop: false }`
[INFO] [stdout] 1d3f058b327e677712b1d075e50ec358e032c27976ea38970b2618f9eb65e0e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58f4ab9599f108b7b0cfe0f1ab54e05af12b5aabaaa22dde35cbeec334351baa
[INFO] running `Command { std: "docker" "start" "-a" "58f4ab9599f108b7b0cfe0f1ab54e05af12b5aabaaa22dde35cbeec334351baa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wtf8-cffb71d61be82fa9)
[INFO] [stdout] running 37 tests
[INFO] [stdout] test tests::code_point_from_char ... ok
[INFO] [stdout] test tests::code_point_from_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::code_point_to_char ... ok
[INFO] [stdout] test tests::wtf8_len ... ok
[INFO] [stdout] test tests::wtf8_slice ... ok
[INFO] [stdout] test tests::wtf8_debug ... ok
[INFO] [stdout] test tests::wtf8_code_points ... ok
[INFO] [stdout] test tests::wtf8_as_str ... ok
[INFO] [stdout] test tests::wtf8_ascii_byte_at ... ok
[INFO] [stdout] test tests::wtf8_from_str ... ok
[INFO] [stdout] test tests::code_point_to_u32 ... ok
[INFO] [stdout] test tests::wtf8_slice_from ... ok
[INFO] [stdout] test tests::wtf8buf_from_iterator ... ok
[INFO] [stdout] test tests::wtf8buf_from_str ... ok
[INFO] [stdout] test tests::wtf8buf_extend ... ok
[INFO] [stdout] test tests::wtf8_to_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8_slice_to ... ok
[INFO] [stdout] test tests::wtf8buf_push_wtf8 ... ok
[INFO] [stdout] test tests::wtf8buf_push_str ... ok
[INFO] [stdout] test tests::wtf8buf_push ... ok
[INFO] [stdout] test tests::wtf8buf_new ... ok
[INFO] [stdout] test tests::wtf8buf_truncate ... ok
[INFO] [stdout] test tests::wtf8buf_from_string ... ok
[INFO] [stdout] test tests::wtf8buf_into_string ... ok
[INFO] [stdout] test tests::wtf8buf_from_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8_to_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_debug ... ok
[INFO] [stdout] test tests::wtf8buf_push_char ... ok
[INFO] [stdout] test tests::wtf8buf_into_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_longer - should panic ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_code_point_boundary - should panic ... 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_as_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58f4ab9599f108b7b0cfe0f1ab54e05af12b5aabaaa22dde35cbeec334351baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f4ab9599f108b7b0cfe0f1ab54e05af12b5aabaaa22dde35cbeec334351baa", kill_on_drop: false }`
[INFO] [stdout] 58f4ab9599f108b7b0cfe0f1ab54e05af12b5aabaaa22dde35cbeec334351baa