[INFO] cloning repository https://github.com/Riglanto/limit-orderbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Riglanto/limit-orderbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiglanto%2Flimit-orderbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiglanto%2Flimit-orderbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32beae373fdee7597af7d1679e701300873ea880
[INFO] checking Riglanto/limit-orderbook against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiglanto%2Flimit-orderbook" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Riglanto/limit-orderbook 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/Riglanto/limit-orderbook
[INFO] finished tweaking git repo https://github.com/Riglanto/limit-orderbook
[INFO] tweaked toml for git repo https://github.com/Riglanto/limit-orderbook written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Riglanto/limit-orderbook 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a61cb397dc58cb03bb838f390955505671029b7d59a691b484b237444c45bcd5
[INFO] running `Command { std: "docker" "start" "-a" "a61cb397dc58cb03bb838f390955505671029b7d59a691b484b237444c45bcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61cb397dc58cb03bb838f390955505671029b7d59a691b484b237444c45bcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61cb397dc58cb03bb838f390955505671029b7d59a691b484b237444c45bcd5", kill_on_drop: false }`
[INFO] [stdout] a61cb397dc58cb03bb838f390955505671029b7d59a691b484b237444c45bcd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5af80510a5c9a6dd994b0834401d6ff4bba94208548029b0b074feb62e8ce045
[INFO] running `Command { std: "docker" "start" "-a" "5af80510a5c9a6dd994b0834401d6ff4bba94208548029b0b074feb62e8ce045", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling openssl v0.10.56
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[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 sha1 v0.10.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]     Checking tungstenite v0.20.0
[INFO] [stderr]     Checking orderbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.67s
[INFO] running `Command { std: "docker" "inspect" "5af80510a5c9a6dd994b0834401d6ff4bba94208548029b0b074feb62e8ce045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af80510a5c9a6dd994b0834401d6ff4bba94208548029b0b074feb62e8ce045", kill_on_drop: false }`
[INFO] [stdout] 5af80510a5c9a6dd994b0834401d6ff4bba94208548029b0b074feb62e8ce045
[INFO] checking Riglanto/limit-orderbook against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiglanto%2Flimit-orderbook" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Riglanto/limit-orderbook 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/Riglanto/limit-orderbook
[INFO] finished tweaking git repo https://github.com/Riglanto/limit-orderbook
[INFO] tweaked toml for git repo https://github.com/Riglanto/limit-orderbook written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Riglanto/limit-orderbook 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0b3b279065ef86db6f5c29df3e87f5282fbe0bbde934c3225a4cb9a7e65c163c
[INFO] running `Command { std: "docker" "start" "-a" "0b3b279065ef86db6f5c29df3e87f5282fbe0bbde934c3225a4cb9a7e65c163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b3b279065ef86db6f5c29df3e87f5282fbe0bbde934c3225a4cb9a7e65c163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3b279065ef86db6f5c29df3e87f5282fbe0bbde934c3225a4cb9a7e65c163c", kill_on_drop: false }`
[INFO] [stdout] 0b3b279065ef86db6f5c29df3e87f5282fbe0bbde934c3225a4cb9a7e65c163c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 388fa2fb13a09914384f44606f37ad3b330cb385a40f80ae346afc4cf2a4ac2e
[INFO] running `Command { std: "docker" "start" "-a" "388fa2fb13a09914384f44606f37ad3b330cb385a40f80ae346afc4cf2a4ac2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling openssl v0.10.56
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]    Compiling syn v2.0.28
[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 sha1 v0.10.5
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking tungstenite v0.20.0
[INFO] [stderr]     Checking orderbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.35s
[INFO] running `Command { std: "docker" "inspect" "388fa2fb13a09914384f44606f37ad3b330cb385a40f80ae346afc4cf2a4ac2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388fa2fb13a09914384f44606f37ad3b330cb385a40f80ae346afc4cf2a4ac2e", kill_on_drop: false }`
[INFO] [stdout] 388fa2fb13a09914384f44606f37ad3b330cb385a40f80ae346afc4cf2a4ac2e