[INFO] cloning repository https://github.com/tiagofmcosta/random-file-opener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiagofmcosta/random-file-opener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagofmcosta%2Frandom-file-opener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagofmcosta%2Frandom-file-opener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a1cb66df4895117db9046d29277e120020cdb4c
[INFO] checking tiagofmcosta/random-file-opener against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagofmcosta%2Frandom-file-opener" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiagofmcosta/random-file-opener 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/tiagofmcosta/random-file-opener
[INFO] finished tweaking git repo https://github.com/tiagofmcosta/random-file-opener
[INFO] tweaked toml for git repo https://github.com/tiagofmcosta/random-file-opener written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tiagofmcosta/random-file-opener 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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b131734f9d79c75a83e05d0f68c5eb89a23d0da2da5c7c1175c544d7c0b92c27
[INFO] running `Command { std: "docker" "start" "-a" "b131734f9d79c75a83e05d0f68c5eb89a23d0da2da5c7c1175c544d7c0b92c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b131734f9d79c75a83e05d0f68c5eb89a23d0da2da5c7c1175c544d7c0b92c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b131734f9d79c75a83e05d0f68c5eb89a23d0da2da5c7c1175c544d7c0b92c27", kill_on_drop: false }`
[INFO] [stdout] b131734f9d79c75a83e05d0f68c5eb89a23d0da2da5c7c1175c544d7c0b92c27
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec66c2afae97084084e174b759336fe96b61f75dafdced259307441e9382154
[INFO] running `Command { std: "docker" "start" "-a" "8ec66c2afae97084084e174b759336fe96b61f75dafdced259307441e9382154", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking random-file-opener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "8ec66c2afae97084084e174b759336fe96b61f75dafdced259307441e9382154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec66c2afae97084084e174b759336fe96b61f75dafdced259307441e9382154", kill_on_drop: false }`
[INFO] [stdout] 8ec66c2afae97084084e174b759336fe96b61f75dafdced259307441e9382154
[INFO] checking tiagofmcosta/random-file-opener against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagofmcosta%2Frandom-file-opener" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiagofmcosta/random-file-opener 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/tiagofmcosta/random-file-opener
[INFO] finished tweaking git repo https://github.com/tiagofmcosta/random-file-opener
[INFO] tweaked toml for git repo https://github.com/tiagofmcosta/random-file-opener written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tiagofmcosta/random-file-opener 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3e703249c4f4b1c8c676e070bed3eebd256c62006d35e180afb8898a4724496c
[INFO] running `Command { std: "docker" "start" "-a" "3e703249c4f4b1c8c676e070bed3eebd256c62006d35e180afb8898a4724496c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e703249c4f4b1c8c676e070bed3eebd256c62006d35e180afb8898a4724496c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e703249c4f4b1c8c676e070bed3eebd256c62006d35e180afb8898a4724496c", kill_on_drop: false }`
[INFO] [stdout] 3e703249c4f4b1c8c676e070bed3eebd256c62006d35e180afb8898a4724496c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d25aa4e04e0be21ecdd186e809e7f12657943293c3b2b8ca2c84e0739c6a4773
[INFO] running `Command { std: "docker" "start" "-a" "d25aa4e04e0be21ecdd186e809e7f12657943293c3b2b8ca2c84e0739c6a4773", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking random-file-opener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "d25aa4e04e0be21ecdd186e809e7f12657943293c3b2b8ca2c84e0739c6a4773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25aa4e04e0be21ecdd186e809e7f12657943293c3b2b8ca2c84e0739c6a4773", kill_on_drop: false }`
[INFO] [stdout] d25aa4e04e0be21ecdd186e809e7f12657943293c3b2b8ca2c84e0739c6a4773