[INFO] fetching crate good_lp 1.7.0...
[INFO] checking good_lp-1.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate good_lp 1.7.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate good_lp 1.7.0 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 crates.io crate good_lp 1.7.0
[INFO] finished tweaking crates.io crate good_lp 1.7.0
[INFO] tweaked toml for crates.io crate good_lp 1.7.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 122 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bindgen v0.64.0 (latest: v0.69.4)
[INFO] [stderr]       Adding bitflags v0.5.0 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding matrixmultiply v0.2.4 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.13.1 (latest: v0.15.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.5)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding peeking_take_while v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding russcip v0.2.6 (latest: v0.3.4)
[INFO] [stderr]       Adding sprs v0.7.1 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[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 sprs v0.7.1
[INFO] [stderr]   Downloaded coin_cbc_sys v0.1.2
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded minilp v0.2.2
[INFO] [stderr]   Downloaded lpsolve v0.1.0
[INFO] [stderr]   Downloaded coin_cbc v0.1.8
[INFO] [stderr]   Downloaded highs v1.6.1
[INFO] [stderr]   Downloaded lp-solvers v1.0.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded russcip v0.2.6
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded lpsolve-sys v5.5.0
[INFO] [stderr]   Downloaded scip-sys v0.1.13
[INFO] [stderr]   Downloaded highs-sys v1.6.2
[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] 705222b9a26bb8019c7ef098ecbdac33d00f1759db3c936e9d1a3b644bafe6a1
[INFO] running `Command { std: "docker" "start" "-a" "705222b9a26bb8019c7ef098ecbdac33d00f1759db3c936e9d1a3b644bafe6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705222b9a26bb8019c7ef098ecbdac33d00f1759db3c936e9d1a3b644bafe6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705222b9a26bb8019c7ef098ecbdac33d00f1759db3c936e9d1a3b644bafe6a1", kill_on_drop: false }`
[INFO] [stdout] 705222b9a26bb8019c7ef098ecbdac33d00f1759db3c936e9d1a3b644bafe6a1
[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] c42578ba0d19bf33b5a234c0fd3868d7d1b80a6c5139cc36d2b0a0d35c2221a4
[INFO] running `Command { std: "docker" "start" "-a" "c42578ba0d19bf33b5a234c0fd3868d7d1b80a6c5139cc36d2b0a0d35c2221a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling coin_cbc_sys v0.1.2
[INFO] [stderr]     Checking float_eq v1.0.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking coin_cbc v0.1.8
[INFO] [stderr]     Checking good_lp v1.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "c42578ba0d19bf33b5a234c0fd3868d7d1b80a6c5139cc36d2b0a0d35c2221a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42578ba0d19bf33b5a234c0fd3868d7d1b80a6c5139cc36d2b0a0d35c2221a4", kill_on_drop: false }`
[INFO] [stdout] c42578ba0d19bf33b5a234c0fd3868d7d1b80a6c5139cc36d2b0a0d35c2221a4
[INFO] checking good_lp-1.7.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate good_lp 1.7.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate good_lp 1.7.0 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 crates.io crate good_lp 1.7.0
[INFO] finished tweaking crates.io crate good_lp 1.7.0
[INFO] tweaked toml for crates.io crate good_lp 1.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] a748f4c45ba4b5bdf8c89078d1c2848c307fba4cb8d35f015a2e43216a1d0e83
[INFO] running `Command { std: "docker" "start" "-a" "a748f4c45ba4b5bdf8c89078d1c2848c307fba4cb8d35f015a2e43216a1d0e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a748f4c45ba4b5bdf8c89078d1c2848c307fba4cb8d35f015a2e43216a1d0e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a748f4c45ba4b5bdf8c89078d1c2848c307fba4cb8d35f015a2e43216a1d0e83", kill_on_drop: false }`
[INFO] [stdout] a748f4c45ba4b5bdf8c89078d1c2848c307fba4cb8d35f015a2e43216a1d0e83
[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] ce93403e3f2e517b8fd5a0b40d04b713f27cf6d49981adb37929cc5372a6957b
[INFO] running `Command { std: "docker" "start" "-a" "ce93403e3f2e517b8fd5a0b40d04b713f27cf6d49981adb37929cc5372a6957b", kill_on_drop: false }`
[INFO] [stderr]    Compiling coin_cbc_sys v0.1.2
[INFO] [stderr]     Checking float_eq v1.0.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking coin_cbc v0.1.8
[INFO] [stderr]     Checking good_lp v1.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "ce93403e3f2e517b8fd5a0b40d04b713f27cf6d49981adb37929cc5372a6957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce93403e3f2e517b8fd5a0b40d04b713f27cf6d49981adb37929cc5372a6957b", kill_on_drop: false }`
[INFO] [stdout] ce93403e3f2e517b8fd5a0b40d04b713f27cf6d49981adb37929cc5372a6957b