[INFO] fetching crate cf-env 0.1.8...
[INFO] checking cf-env-0.1.8 against master#11ebe6512b4c77633c59f8dcdd421df3b79d1a9f for pr-103872
[INFO] extracting crate cf-env 0.1.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cf-env 0.1.8 on toolchain 11ebe6512b4c77633c59f8dcdd421df3b79d1a9f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cf-env 0.1.8
[INFO] finished tweaking crates.io crate cf-env 0.1.8
[INFO] tweaked toml for crates.io crate cf-env 0.1.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded debugtrace v0.1.0
[INFO] [stderr]   Downloaded chomp v0.3.1
[INFO] [stderr]   Downloaded guid-create v0.2.0
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded either v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded locale-types v0.4.0
[INFO] [stderr]   Downloaded guid-macro-impl v0.1.0
[INFO] [stderr]   Downloaded guid v0.1.0
[INFO] [stderr]   Downloaded guid-parser v0.1.0
[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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f153637caa2fb4ba13822ef8a76fb3dad15101ea0739233fe28b4cba625bc666
[INFO] running `Command { std: "docker" "start" "-a" "f153637caa2fb4ba13822ef8a76fb3dad15101ea0739233fe28b4cba625bc666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f153637caa2fb4ba13822ef8a76fb3dad15101ea0739233fe28b4cba625bc666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f153637caa2fb4ba13822ef8a76fb3dad15101ea0739233fe28b4cba625bc666", kill_on_drop: false }`
[INFO] [stdout] f153637caa2fb4ba13822ef8a76fb3dad15101ea0739233fe28b4cba625bc666
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984b7b8f838e8645c1dcd498d221e9b4e38d9736722f599defd26cae9a233fd6
[INFO] running `Command { std: "docker" "start" "-a" "984b7b8f838e8645c1dcd498d221e9b4e38d9736722f599defd26cae9a233fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking either v0.1.7
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking chomp v0.3.1
[INFO] [stderr]     Checking guid-parser v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking locale-types v0.4.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking guid v0.1.0
[INFO] [stderr]     Checking guid-create v0.2.0
[INFO] [stderr]     Checking cf-env v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.97s
[INFO] running `Command { std: "docker" "inspect" "984b7b8f838e8645c1dcd498d221e9b4e38d9736722f599defd26cae9a233fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984b7b8f838e8645c1dcd498d221e9b4e38d9736722f599defd26cae9a233fd6", kill_on_drop: false }`
[INFO] [stdout] 984b7b8f838e8645c1dcd498d221e9b4e38d9736722f599defd26cae9a233fd6