[INFO] fetching crate simulon 0.0.8...
[INFO] checking simulon-0.0.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate simulon 0.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate simulon 0.0.8 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 simulon 0.0.8
[INFO] finished tweaking crates.io crate simulon 0.0.8
[INFO] tweaked toml for crates.io crate simulon 0.0.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate simulon 0.0.8 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.173
[INFO] [stderr]   Downloaded indicatif v0.17.5
[INFO] [stderr]   Downloaded replace_with v0.1.7
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded portable-atomic v1.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.173
[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] 66720aebd93e8151d9c95e9a72bc194b5b933c6c80f0b0b21d6abcf5cc05f182
[INFO] running `Command { std: "docker" "start" "-a" "66720aebd93e8151d9c95e9a72bc194b5b933c6c80f0b0b21d6abcf5cc05f182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66720aebd93e8151d9c95e9a72bc194b5b933c6c80f0b0b21d6abcf5cc05f182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66720aebd93e8151d9c95e9a72bc194b5b933c6c80f0b0b21d6abcf5cc05f182", kill_on_drop: false }`
[INFO] [stdout] 66720aebd93e8151d9c95e9a72bc194b5b933c6c80f0b0b21d6abcf5cc05f182
[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] 61bd21c175008a3cc5f70b2e9c809f9347357cd35538bcf8b04ec908d64afaec
[INFO] running `Command { std: "docker" "start" "-a" "61bd21c175008a3cc5f70b2e9c809f9347357cd35538bcf8b04ec908d64afaec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling serde v1.0.173
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling portable-atomic v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.173
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking indicatif v0.17.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking simulon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ResourceId` is imported redundantly
[INFO] [stdout]   --> src/message.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use super::*;
[INFO] [stdout]    |         -------- the item `ResourceId` is already imported here
[INFO] [stdout] 74 |     use crate::state::ResourceId;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.32s
[INFO] running `Command { std: "docker" "inspect" "61bd21c175008a3cc5f70b2e9c809f9347357cd35538bcf8b04ec908d64afaec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bd21c175008a3cc5f70b2e9c809f9347357cd35538bcf8b04ec908d64afaec", kill_on_drop: false }`
[INFO] [stdout] 61bd21c175008a3cc5f70b2e9c809f9347357cd35538bcf8b04ec908d64afaec
[INFO] checking simulon-0.0.8 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate simulon 0.0.8 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate simulon 0.0.8 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 simulon 0.0.8
[INFO] finished tweaking crates.io crate simulon 0.0.8
[INFO] tweaked toml for crates.io crate simulon 0.0.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate simulon 0.0.8 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-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] 2cfd90be39c29248f9f0bbbc949044fdeca6142eac61652c591ba005462970e2
[INFO] running `Command { std: "docker" "start" "-a" "2cfd90be39c29248f9f0bbbc949044fdeca6142eac61652c591ba005462970e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfd90be39c29248f9f0bbbc949044fdeca6142eac61652c591ba005462970e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfd90be39c29248f9f0bbbc949044fdeca6142eac61652c591ba005462970e2", kill_on_drop: false }`
[INFO] [stdout] 2cfd90be39c29248f9f0bbbc949044fdeca6142eac61652c591ba005462970e2
[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] 6e221ba7e72fa90c3048d52eaa9451306d2bc9d4bae2e34eac1369caf13b1c96
[INFO] running `Command { std: "docker" "start" "-a" "6e221ba7e72fa90c3048d52eaa9451306d2bc9d4bae2e34eac1369caf13b1c96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde v1.0.173
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling portable-atomic v1.4.1
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.173
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking indicatif v0.17.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking simulon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ResourceId` is imported redundantly
[INFO] [stdout]   --> src/message.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use super::*;
[INFO] [stdout]    |         -------- the item `ResourceId` is already imported here
[INFO] [stdout] 74 |     use crate::state::ResourceId;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.89s
[INFO] running `Command { std: "docker" "inspect" "6e221ba7e72fa90c3048d52eaa9451306d2bc9d4bae2e34eac1369caf13b1c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e221ba7e72fa90c3048d52eaa9451306d2bc9d4bae2e34eac1369caf13b1c96", kill_on_drop: false }`
[INFO] [stdout] 6e221ba7e72fa90c3048d52eaa9451306d2bc9d4bae2e34eac1369caf13b1c96