[INFO] fetching crate simple_proxy 1.3.4...
[INFO] checking simple_proxy-1.3.4 against master#35d55b34bffd51384ac430cc20852b7d16dd5a90 for pr-145108
[INFO] extracting crate simple_proxy 1.3.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate simple_proxy 1.3.4
[INFO] finished tweaking crates.io crate simple_proxy 1.3.4
[INFO] tweaked toml for crates.io crate simple_proxy 1.3.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_proxy 1.3.4 on toolchain 35d55b34bffd51384ac430cc20852b7d16dd5a90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9b435bb121c3ea1c16cac9ea98a8a393f4ae8efdb9101d54aca2adf15fb9b7
[INFO] running `Command { std: "docker" "start" "-a" "9e9b435bb121c3ea1c16cac9ea98a8a393f4ae8efdb9101d54aca2adf15fb9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9b435bb121c3ea1c16cac9ea98a8a393f4ae8efdb9101d54aca2adf15fb9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b435bb121c3ea1c16cac9ea98a8a393f4ae8efdb9101d54aca2adf15fb9b7", kill_on_drop: false }`
[INFO] [stdout] 9e9b435bb121c3ea1c16cac9ea98a8a393f4ae8efdb9101d54aca2adf15fb9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84dac6da1c8ca019d22bb5c2489a5b6304969774d4d5f9e604e744c954439f67
[INFO] running `Command { std: "docker" "start" "-a" "84dac6da1c8ca019d22bb5c2489a5b6304969774d4d5f9e604e744c954439f67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr] error: could not compile `tracing` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/35d55b34bffd51384ac430cc20852b7d16dd5a90/bin/rustc --crate-name tracing --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(flaky_tests)' --check-cfg 'cfg(tracing_unstable)' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async-await", "attributes", "default", "log", "log-always", "max_level_debug", "max_level_error", "max_level_info", "max_level_off", "max_level_trace", "max_level_warn", "release_max_level_debug", "release_max_level_error", "release_max_level_info", "release_max_level_off", "release_max_level_trace", "release_max_level_warn", "std", "tracing-attributes", "valuable"))' -C metadata=9bf8d7aa073eb76e -C extra-filename=-5ee927796e8d4406 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern tracing_core=/opt/rustwide/target/debug/deps/libtracing_core-16af5a474495ff71.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "84dac6da1c8ca019d22bb5c2489a5b6304969774d4d5f9e604e744c954439f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dac6da1c8ca019d22bb5c2489a5b6304969774d4d5f9e604e744c954439f67", kill_on_drop: false }`
[INFO] [stdout] 84dac6da1c8ca019d22bb5c2489a5b6304969774d4d5f9e604e744c954439f67