[INFO] fetching crate ckb-pow 0.112.1...
[INFO] checking ckb-pow-0.112.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ckb-pow 0.112.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ckb-pow 0.112.1 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 ckb-pow 0.112.1
[INFO] finished tweaking crates.io crate ckb-pow 0.112.1
[INFO] tweaked toml for crates.io crate ckb-pow 0.112.1 written to /workspace/builds/worker-5-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 61 packages
[INFO] [stderr]       Adding ckb-channel v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-constant v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-error v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-fixed-hash v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-fixed-hash-core v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-fixed-hash-macros v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-gen-types v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-hash v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-merkle-mountain-range v0.5.2 (latest: v0.6.0)
[INFO] [stderr]       Adding ckb-occupied-capacity v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-occupied-capacity-core v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-occupied-capacity-macros v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-rational v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-types v0.112.1 (latest: v0.115.0)
[INFO] [stderr]       Adding faster-hex v0.6.1 (latest: v0.9.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding molecule v0.7.5 (latest: v0.8.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 ckb-types v0.112.1
[INFO] [stderr]   Downloaded molecule v0.7.5
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded numext-constructor v0.1.6
[INFO] [stderr]   Downloaded blake2b-rs v0.2.0
[INFO] [stderr]   Downloaded ckb-channel v0.112.1
[INFO] [stderr]   Downloaded ckb-gen-types v0.112.1
[INFO] [stderr]   Downloaded blake2b-ref v0.3.1
[INFO] [stderr]   Downloaded ckb-constant v0.112.1
[INFO] [stderr]   Downloaded ckb-error v0.112.1
[INFO] [stderr]   Downloaded ckb-fixed-hash-core v0.112.1
[INFO] [stderr]   Downloaded ckb-fixed-hash-macros v0.112.1
[INFO] [stderr]   Downloaded ckb-fixed-hash v0.112.1
[INFO] [stderr]   Downloaded faster-hex v0.6.1
[INFO] [stderr]   Downloaded ckb-hash v0.112.1
[INFO] [stderr]   Downloaded ckb-merkle-mountain-range v0.5.2
[INFO] [stderr]   Downloaded ckb-occupied-capacity-core v0.112.1
[INFO] [stderr]   Downloaded ckb-occupied-capacity-macros v0.112.1
[INFO] [stderr]   Downloaded ckb-occupied-capacity v0.112.1
[INFO] [stderr]   Downloaded ckb-rational v0.112.1
[INFO] [stderr]   Downloaded golomb-coded-set v0.2.0
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] [stderr]   Downloaded eaglesong v0.1.0
[INFO] [stderr]   Downloaded numext-fixed-uint-core v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint-hack v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 421b738555b2f65b1c12e4d766162559337a281dd619c93c12807cd8ad69bcce
[INFO] running `Command { std: "docker" "start" "-a" "421b738555b2f65b1c12e4d766162559337a281dd619c93c12807cd8ad69bcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "421b738555b2f65b1c12e4d766162559337a281dd619c93c12807cd8ad69bcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421b738555b2f65b1c12e4d766162559337a281dd619c93c12807cd8ad69bcce", kill_on_drop: false }`
[INFO] [stdout] 421b738555b2f65b1c12e4d766162559337a281dd619c93c12807cd8ad69bcce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2eea1bbdebac1ebd53aa898b471e14d2a2c3b3552388f71a53b627fbfd59c4a
[INFO] running `Command { std: "docker" "start" "-a" "a2eea1bbdebac1ebd53aa898b471e14d2a2c3b3552388f71a53b627fbfd59c4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking faster-hex v0.6.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling blake2b-rs v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking blake2b-ref v0.3.1
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking ckb-merkle-mountain-range v0.5.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking merkle-cbt v0.3.2
[INFO] [stderr]     Checking ckb-constant v0.112.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking golomb-coded-set v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ckb-hash v0.112.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking ckb-channel v0.112.1
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.112.1
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.112.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking molecule v0.7.5
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.112.1
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.112.1
[INFO] [stderr]     Checking ckb-occupied-capacity v0.112.1
[INFO] [stderr]     Checking ckb-error v0.112.1
[INFO] [stderr]     Checking ckb-fixed-hash v0.112.1
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]     Checking numext-fixed-uint v0.1.6
[INFO] [stderr]     Checking ckb-gen-types v0.112.1
[INFO] [stderr]     Checking ckb-rational v0.112.1
[INFO] [stderr]     Checking ckb-types v0.112.1
[INFO] [stderr]     Checking ckb-pow v0.112.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.57s
[INFO] running `Command { std: "docker" "inspect" "a2eea1bbdebac1ebd53aa898b471e14d2a2c3b3552388f71a53b627fbfd59c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eea1bbdebac1ebd53aa898b471e14d2a2c3b3552388f71a53b627fbfd59c4a", kill_on_drop: false }`
[INFO] [stdout] a2eea1bbdebac1ebd53aa898b471e14d2a2c3b3552388f71a53b627fbfd59c4a
[INFO] checking ckb-pow-0.112.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ckb-pow 0.112.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ckb-pow 0.112.1 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 ckb-pow 0.112.1
[INFO] finished tweaking crates.io crate ckb-pow 0.112.1
[INFO] tweaked toml for crates.io crate ckb-pow 0.112.1 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e3ef441f95a7d1cd54b5fec34e60305a934a1b6fb6fde74249098aab2793e66e
[INFO] running `Command { std: "docker" "start" "-a" "e3ef441f95a7d1cd54b5fec34e60305a934a1b6fb6fde74249098aab2793e66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ef441f95a7d1cd54b5fec34e60305a934a1b6fb6fde74249098aab2793e66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ef441f95a7d1cd54b5fec34e60305a934a1b6fb6fde74249098aab2793e66e", kill_on_drop: false }`
[INFO] [stdout] e3ef441f95a7d1cd54b5fec34e60305a934a1b6fb6fde74249098aab2793e66e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c30e6f8c7f1e17777b126613ffa288af32075b95dc4d217d0406ed8d3cb42666
[INFO] running `Command { std: "docker" "start" "-a" "c30e6f8c7f1e17777b126613ffa288af32075b95dc4d217d0406ed8d3cb42666", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling blake2b-rs v0.2.0
[INFO] [stderr]    Compiling faster-hex v0.6.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking blake2b-ref v0.3.1
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking ckb-merkle-mountain-range v0.5.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking merkle-cbt v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking golomb-coded-set v0.2.0
[INFO] [stderr]     Checking ckb-constant v0.112.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ckb-hash v0.112.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking ckb-channel v0.112.1
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.112.1
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.112.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking molecule v0.7.5
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.112.1
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.112.1
[INFO] [stderr]     Checking ckb-occupied-capacity v0.112.1
[INFO] [stderr]     Checking ckb-fixed-hash v0.112.1
[INFO] [stderr]     Checking ckb-error v0.112.1
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]     Checking numext-fixed-uint v0.1.6
[INFO] [stderr]     Checking ckb-rational v0.112.1
[INFO] [stderr]     Checking ckb-gen-types v0.112.1
[INFO] [stderr]     Checking ckb-types v0.112.1
[INFO] [stderr]     Checking ckb-pow v0.112.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.32s
[INFO] running `Command { std: "docker" "inspect" "c30e6f8c7f1e17777b126613ffa288af32075b95dc4d217d0406ed8d3cb42666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30e6f8c7f1e17777b126613ffa288af32075b95dc4d217d0406ed8d3cb42666", kill_on_drop: false }`
[INFO] [stdout] c30e6f8c7f1e17777b126613ffa288af32075b95dc4d217d0406ed8d3cb42666