[INFO] fetching crate micro-http 0.1.1...
[INFO] testing micro-http-0.1.1 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate micro-http 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate micro-http 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate micro-http 0.1.1
[INFO] tweaked toml for crates.io crate micro-http 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate micro-http 0.1.1 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate micro-http 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1c8f9b2909afa3bba884730c8056a3f9caa9ed5a3aecab74de72f26738db44d
[INFO] running `Command { std: "docker" "start" "-a" "e1c8f9b2909afa3bba884730c8056a3f9caa9ed5a3aecab74de72f26738db44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1c8f9b2909afa3bba884730c8056a3f9caa9ed5a3aecab74de72f26738db44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c8f9b2909afa3bba884730c8056a3f9caa9ed5a3aecab74de72f26738db44d", kill_on_drop: false }`
[INFO] [stdout] e1c8f9b2909afa3bba884730c8056a3f9caa9ed5a3aecab74de72f26738db44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e52e941bc1d42220692d88ca356935affc53d60adae4c5f8451bedb1dec1093
[INFO] running `Command { std: "docker" "start" "-a" "9e52e941bc1d42220692d88ca356935affc53d60adae4c5f8451bedb1dec1093", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling trait-variant v0.1.2
[INFO] [stderr] error: could not compile `tracing-attributes` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/16fbf98f22730e073c09e7b03f0eafb87a295545/bin/rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-attributes-0.1.28/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --warn=unexpected_cfgs --check-cfg 'cfg(flaky_tests)' --check-cfg 'cfg(tracing_unstable)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async-await"))' -C metadata=08e6967d5dcb7946 -C extra-filename=-793086ecdb2e0d75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c1602ad0331f815a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7f88217c94841094.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-02043d061fcf1833.rlib --extern proc_macro --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" "9e52e941bc1d42220692d88ca356935affc53d60adae4c5f8451bedb1dec1093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e52e941bc1d42220692d88ca356935affc53d60adae4c5f8451bedb1dec1093", kill_on_drop: false }`
[INFO] [stdout] 9e52e941bc1d42220692d88ca356935affc53d60adae4c5f8451bedb1dec1093