[INFO] fetching crate most-recently 0.2.0...
[INFO] testing most-recently-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate most-recently 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate most-recently 0.2.0
[INFO] finished tweaking crates.io crate most-recently 0.2.0
[INFO] tweaked toml for crates.io crate most-recently 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate most-recently 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate most-recently 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e227f82c280bffd92ab2d3ffca318bff2a5b23beb95b741ea68656a5ca18d73
[INFO] running `Command { std: "docker" "start" "-a" "2e227f82c280bffd92ab2d3ffca318bff2a5b23beb95b741ea68656a5ca18d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e227f82c280bffd92ab2d3ffca318bff2a5b23beb95b741ea68656a5ca18d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e227f82c280bffd92ab2d3ffca318bff2a5b23beb95b741ea68656a5ca18d73", kill_on_drop: false }`
[INFO] [stdout] 2e227f82c280bffd92ab2d3ffca318bff2a5b23beb95b741ea68656a5ca18d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef0bdfdb5d83e15b710c6fcd86b027605cc77ad85e9fa17f4fb601d45325615
[INFO] running `Command { std: "docker" "start" "-a" "1ef0bdfdb5d83e15b710c6fcd86b027605cc77ad85e9fa17f4fb601d45325615", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling tracing v0.1.26
[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/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name tracing --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="attributes"' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="tracing-attributes"' --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"))' -C metadata=fb8fe5cfe5d42c53 -C extra-filename=-3b96544d82611b1d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-33ef6c02a07f9fec.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-e686f189f307e605.rmeta --extern tracing_attributes=/opt/rustwide/target/debug/deps/libtracing_attributes-fcec80dd1f2080e6.so --extern tracing_core=/opt/rustwide/target/debug/deps/libtracing_core-bba56a57516570bf.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" "1ef0bdfdb5d83e15b710c6fcd86b027605cc77ad85e9fa17f4fb601d45325615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef0bdfdb5d83e15b710c6fcd86b027605cc77ad85e9fa17f4fb601d45325615", kill_on_drop: false }`
[INFO] [stdout] 1ef0bdfdb5d83e15b710c6fcd86b027605cc77ad85e9fa17f4fb601d45325615