[INFO] fetching crate rmw-utf8 0.0.2...
[INFO] checking rmw-utf8-0.0.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate rmw-utf8 0.0.2 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate rmw-utf8 0.0.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmw-utf8 0.0.2
[INFO] finished tweaking crates.io crate rmw-utf8 0.0.2
[INFO] tweaked toml for crates.io crate rmw-utf8 0.0.2 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9876b281633ad54e64ebb08eb9ae3da432c0e6af2d17114a05241afe9a30ad3
[INFO] running `Command { std: "docker" "start" "-a" "a9876b281633ad54e64ebb08eb9ae3da432c0e6af2d17114a05241afe9a30ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9876b281633ad54e64ebb08eb9ae3da432c0e6af2d17114a05241afe9a30ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9876b281633ad54e64ebb08eb9ae3da432c0e6af2d17114a05241afe9a30ad3", kill_on_drop: false }`
[INFO] [stdout] a9876b281633ad54e64ebb08eb9ae3da432c0e6af2d17114a05241afe9a30ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc9c42c9494e35406eda6da18b9c4820845c24cf4c7e972c707e3bcf5634cade
[INFO] running `Command { std: "docker" "start" "-a" "fc9c42c9494e35406eda6da18b9c4820845c24cf4c7e972c707e3bcf5634cade", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]    Compiling static_init_macro v1.0.1
[INFO] [stderr]    Compiling static_init v1.0.1
[INFO] [stderr]     Checking ruzstd v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking huffman-compress v0.6.1
[INFO] [stderr]    Compiling speedy-derive v0.7.1
[INFO] [stderr]     Checking speedy v0.7.1
[INFO] [stderr]     Checking rmw-utf8 v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "fc9c42c9494e35406eda6da18b9c4820845c24cf4c7e972c707e3bcf5634cade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9c42c9494e35406eda6da18b9c4820845c24cf4c7e972c707e3bcf5634cade", kill_on_drop: false }`
[INFO] [stdout] fc9c42c9494e35406eda6da18b9c4820845c24cf4c7e972c707e3bcf5634cade