[INFO] cloning repository https://github.com/hatzel/logger-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hatzel/logger-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatzel%2Flogger-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatzel%2Flogger-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13f9fc30c65ac46da295018e09be5c7e5671b2c8
[INFO] checking hatzel/logger-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatzel%2Flogger-example" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hatzel/logger-example on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hatzel/logger-example
[INFO] finished tweaking git repo https://github.com/hatzel/logger-example
[INFO] tweaked toml for git repo https://github.com/hatzel/logger-example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hatzel/logger-example 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded regex v0.2.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 402ab8b6530aa32293ad279373757675745d6ac500df3bb622f05e135efc0adf
[INFO] running `Command { std: "docker" "start" "-a" "402ab8b6530aa32293ad279373757675745d6ac500df3bb622f05e135efc0adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "402ab8b6530aa32293ad279373757675745d6ac500df3bb622f05e135efc0adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402ab8b6530aa32293ad279373757675745d6ac500df3bb622f05e135efc0adf", kill_on_drop: false }`
[INFO] [stdout] 402ab8b6530aa32293ad279373757675745d6ac500df3bb622f05e135efc0adf
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbeec148fe68e7b54bdae319c29320bfd8e70758a30d9097b65b38d9b517e169
[INFO] running `Command { std: "docker" "start" "-a" "cbeec148fe68e7b54bdae319c29320bfd8e70758a30d9097b65b38d9b517e169", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking logging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "cbeec148fe68e7b54bdae319c29320bfd8e70758a30d9097b65b38d9b517e169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbeec148fe68e7b54bdae319c29320bfd8e70758a30d9097b65b38d9b517e169", kill_on_drop: false }`
[INFO] [stdout] cbeec148fe68e7b54bdae319c29320bfd8e70758a30d9097b65b38d9b517e169
[INFO] checking hatzel/logger-example against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatzel%2Flogger-example" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hatzel/logger-example on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hatzel/logger-example
[INFO] finished tweaking git repo https://github.com/hatzel/logger-example
[INFO] tweaked toml for git repo https://github.com/hatzel/logger-example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hatzel/logger-example 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbcdf6959a7bfda89c2a318193aa06c37f6624a627c47b162e573e8f4a747b4a
[INFO] running `Command { std: "docker" "start" "-a" "bbcdf6959a7bfda89c2a318193aa06c37f6624a627c47b162e573e8f4a747b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbcdf6959a7bfda89c2a318193aa06c37f6624a627c47b162e573e8f4a747b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbcdf6959a7bfda89c2a318193aa06c37f6624a627c47b162e573e8f4a747b4a", kill_on_drop: false }`
[INFO] [stdout] bbcdf6959a7bfda89c2a318193aa06c37f6624a627c47b162e573e8f4a747b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41bec5f8bac81f7bf26fcda4393ebd59d55a435c6dfb0a0a6d90bcdbe05182a0
[INFO] running `Command { std: "docker" "start" "-a" "41bec5f8bac81f7bf26fcda4393ebd59d55a435c6dfb0a0a6d90bcdbe05182a0", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking logging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "41bec5f8bac81f7bf26fcda4393ebd59d55a435c6dfb0a0a6d90bcdbe05182a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bec5f8bac81f7bf26fcda4393ebd59d55a435c6dfb0a0a6d90bcdbe05182a0", kill_on_drop: false }`
[INFO] [stdout] 41bec5f8bac81f7bf26fcda4393ebd59d55a435c6dfb0a0a6d90bcdbe05182a0