[INFO] fetching crate ckb-standalone-types 0.1.5...
[INFO] checking ckb-standalone-types-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ckb-standalone-types 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ckb-standalone-types 0.1.5 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-standalone-types 0.1.5
[INFO] finished tweaking crates.io crate ckb-standalone-types 0.1.5
[INFO] tweaked toml for crates.io crate ckb-standalone-types 0.1.5 written to /workspace/builds/worker-0-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 6 packages
[INFO] [stderr]       Adding faster-hex v0.6.1 (latest: v0.9.0)
[INFO] [stderr]       Adding molecule v0.7.5 (latest: v0.8.0)
[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 faster-hex v0.6.1
[INFO] [stderr]   Downloaded blake2b-ref v0.3.1
[INFO] [stderr]   Downloaded molecule v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eeb84179a6125871fc0bd1e5a1d17428ba0636bdcbf419ff80fa96761c233a18
[INFO] running `Command { std: "docker" "start" "-a" "eeb84179a6125871fc0bd1e5a1d17428ba0636bdcbf419ff80fa96761c233a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb84179a6125871fc0bd1e5a1d17428ba0636bdcbf419ff80fa96761c233a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb84179a6125871fc0bd1e5a1d17428ba0636bdcbf419ff80fa96761c233a18", kill_on_drop: false }`
[INFO] [stdout] eeb84179a6125871fc0bd1e5a1d17428ba0636bdcbf419ff80fa96761c233a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4a61c7f4a8cae8ee7326e607807ae880c1a41d83f76a3ff8ff9ab849026883fa
[INFO] running `Command { std: "docker" "start" "-a" "4a61c7f4a8cae8ee7326e607807ae880c1a41d83f76a3ff8ff9ab849026883fa", kill_on_drop: false }`
[INFO] [stderr]     Checking faster-hex v0.6.1
[INFO] [stderr]     Checking molecule v0.7.5
[INFO] [stderr]     Checking ckb-standalone-types v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/conversion/blockchain.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bytes::Bytes, packed, prelude::*, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/conversion/blockchain.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bytes::Bytes, packed, prelude::*, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "4a61c7f4a8cae8ee7326e607807ae880c1a41d83f76a3ff8ff9ab849026883fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a61c7f4a8cae8ee7326e607807ae880c1a41d83f76a3ff8ff9ab849026883fa", kill_on_drop: false }`
[INFO] [stdout] 4a61c7f4a8cae8ee7326e607807ae880c1a41d83f76a3ff8ff9ab849026883fa
[INFO] checking ckb-standalone-types-0.1.5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ckb-standalone-types 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ckb-standalone-types 0.1.5 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-standalone-types 0.1.5
[INFO] finished tweaking crates.io crate ckb-standalone-types 0.1.5
[INFO] tweaked toml for crates.io crate ckb-standalone-types 0.1.5 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fddae64389d31839309a4efafcd4a237b7f489c4ef97d63a296612f3a7ad5925
[INFO] running `Command { std: "docker" "start" "-a" "fddae64389d31839309a4efafcd4a237b7f489c4ef97d63a296612f3a7ad5925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fddae64389d31839309a4efafcd4a237b7f489c4ef97d63a296612f3a7ad5925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddae64389d31839309a4efafcd4a237b7f489c4ef97d63a296612f3a7ad5925", kill_on_drop: false }`
[INFO] [stdout] fddae64389d31839309a4efafcd4a237b7f489c4ef97d63a296612f3a7ad5925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 65a8a33640e02a2ebd93d7ba6b7696cbdaa000e52bfc62d365c5a65d69c42ea6
[INFO] running `Command { std: "docker" "start" "-a" "65a8a33640e02a2ebd93d7ba6b7696cbdaa000e52bfc62d365c5a65d69c42ea6", kill_on_drop: false }`
[INFO] [stderr]     Checking faster-hex v0.6.1
[INFO] [stderr]     Checking molecule v0.7.5
[INFO] [stderr]     Checking ckb-standalone-types v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/conversion/blockchain.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bytes::Bytes, packed, prelude::*, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/conversion/blockchain.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{bytes::Bytes, packed, prelude::*, vec::Vec};
[INFO] [stdout]   |                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "65a8a33640e02a2ebd93d7ba6b7696cbdaa000e52bfc62d365c5a65d69c42ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a8a33640e02a2ebd93d7ba6b7696cbdaa000e52bfc62d365c5a65d69c42ea6", kill_on_drop: false }`
[INFO] [stdout] 65a8a33640e02a2ebd93d7ba6b7696cbdaa000e52bfc62d365c5a65d69c42ea6