[INFO] cloning repository https://github.com/allaboutevemirolive/simple-blockhain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allaboutevemirolive/simple-blockhain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallaboutevemirolive%2Fsimple-blockhain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallaboutevemirolive%2Fsimple-blockhain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d330ccbe1d80369246305ca766f6192e46d063
[INFO] checking allaboutevemirolive/simple-blockhain against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallaboutevemirolive%2Fsimple-blockhain" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allaboutevemirolive/simple-blockhain 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/allaboutevemirolive/simple-blockhain
[INFO] finished tweaking git repo https://github.com/allaboutevemirolive/simple-blockhain
[INFO] tweaked toml for git repo https://github.com/allaboutevemirolive/simple-blockhain written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/allaboutevemirolive/simple-blockhain 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 869e0abeed8807c05fce5b780ed908c284c4a51f7f46573a05ad815c5d111f24
[INFO] running `Command { std: "docker" "start" "-a" "869e0abeed8807c05fce5b780ed908c284c4a51f7f46573a05ad815c5d111f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "869e0abeed8807c05fce5b780ed908c284c4a51f7f46573a05ad815c5d111f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869e0abeed8807c05fce5b780ed908c284c4a51f7f46573a05ad815c5d111f24", kill_on_drop: false }`
[INFO] [stdout] 869e0abeed8807c05fce5b780ed908c284c4a51f7f46573a05ad815c5d111f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cebd98495244f61fb7c246b28a96e84e5e281aaf2b499612e7af0338f7fa0938
[INFO] running `Command { std: "docker" "start" "-a" "cebd98495244f61fb7c246b28a96e84e5e281aaf2b499612e7af0338f7fa0938", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking simple-blockhain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "cebd98495244f61fb7c246b28a96e84e5e281aaf2b499612e7af0338f7fa0938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebd98495244f61fb7c246b28a96e84e5e281aaf2b499612e7af0338f7fa0938", kill_on_drop: false }`
[INFO] [stdout] cebd98495244f61fb7c246b28a96e84e5e281aaf2b499612e7af0338f7fa0938
[INFO] checking allaboutevemirolive/simple-blockhain against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallaboutevemirolive%2Fsimple-blockhain" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allaboutevemirolive/simple-blockhain 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/allaboutevemirolive/simple-blockhain
[INFO] finished tweaking git repo https://github.com/allaboutevemirolive/simple-blockhain
[INFO] tweaked toml for git repo https://github.com/allaboutevemirolive/simple-blockhain written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/allaboutevemirolive/simple-blockhain 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 40854a92035ff1e1262b230e5658fea7bb910c0e86e8529de81ff92a8602d08b
[INFO] running `Command { std: "docker" "start" "-a" "40854a92035ff1e1262b230e5658fea7bb910c0e86e8529de81ff92a8602d08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40854a92035ff1e1262b230e5658fea7bb910c0e86e8529de81ff92a8602d08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40854a92035ff1e1262b230e5658fea7bb910c0e86e8529de81ff92a8602d08b", kill_on_drop: false }`
[INFO] [stdout] 40854a92035ff1e1262b230e5658fea7bb910c0e86e8529de81ff92a8602d08b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ceacc08e2f74c68b89e65f09f291bcad434b2348433fe8bda8768a033c57ce25
[INFO] running `Command { std: "docker" "start" "-a" "ceacc08e2f74c68b89e65f09f291bcad434b2348433fe8bda8768a033c57ce25", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking simple-blockhain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "ceacc08e2f74c68b89e65f09f291bcad434b2348433fe8bda8768a033c57ce25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceacc08e2f74c68b89e65f09f291bcad434b2348433fe8bda8768a033c57ce25", kill_on_drop: false }`
[INFO] [stdout] ceacc08e2f74c68b89e65f09f291bcad434b2348433fe8bda8768a033c57ce25