[INFO] cloning repository https://github.com/dremon/ipp.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dremon/ipp.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdremon%2Fipp.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdremon%2Fipp.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d27e32c6f31aa2bfcfe243baab82821f149136
[INFO] checking dremon/ipp.rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdremon%2Fipp.rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dremon/ipp.rs 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/dremon/ipp.rs
[INFO] finished tweaking git repo https://github.com/dremon/ipp.rs
[INFO] tweaked toml for git repo https://github.com/dremon/ipp.rs 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 153 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
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[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
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[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
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[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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 enum-primitive-derive v0.3.0
[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] 013042cfb7d4dce240904dc1915de45eeba5ec3da440aebb45363f215c736273
[INFO] running `Command { std: "docker" "start" "-a" "013042cfb7d4dce240904dc1915de45eeba5ec3da440aebb45363f215c736273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "013042cfb7d4dce240904dc1915de45eeba5ec3da440aebb45363f215c736273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013042cfb7d4dce240904dc1915de45eeba5ec3da440aebb45363f215c736273", kill_on_drop: false }`
[INFO] [stdout] 013042cfb7d4dce240904dc1915de45eeba5ec3da440aebb45363f215c736273
[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] a098235b6e4320311a81c0379189734c2f23bb0186d03fcf49bc47b85b4b2a6d
[INFO] running `Command { std: "docker" "start" "-a" "a098235b6e4320311a81c0379189734c2f23bb0186d03fcf49bc47b85b4b2a6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.90
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[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
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[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking http v1.1.0
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[INFO] [stderr]     Checking rustls-pemfile v2.1.1
[INFO] [stderr]     Checking anstyle-query v1.0.2
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[INFO] [stderr]    Compiling heck v0.5.0
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[INFO] [stderr]     Checking ipp v5.0.3 (/opt/rustwide/workdir/ipp)
[INFO] [stdout] warning: the item `Uri` is imported redundantly
[INFO] [stdout]  --> ipp/src/operation/builder.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use http::Uri;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     operation::{cups::*, *},
[INFO] [stdout]   |                          - the item `Uri` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IppAttribute` is imported redundantly
[INFO] [stdout]  --> ipp/src/operation/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     attribute::IppAttribute,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     operation::{cups::*, *},
[INFO] [stdout]   |                          - the item `IppAttribute` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IppPayload` is imported redundantly
[INFO] [stdout]  --> ipp/src/operation/builder.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     operation::{cups::*, *},
[INFO] [stdout]   |                          - the item `IppPayload` is already imported here
[INFO] [stdout] 9 |     payload::IppPayload,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Uri` is imported redundantly
[INFO] [stdout]  --> ipp/src/operation/builder.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use http::Uri;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     operation::{cups::*, *},
[INFO] [stdout]   |                          - the item `Uri` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IppAttribute` is imported redundantly
[INFO] [stdout]  --> ipp/src/operation/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     attribute::IppAttribute,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     operation::{cups::*, *},
[INFO] [stdout]   |                          - the item `IppAttribute` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IppPayload` is imported redundantly
[INFO] [stdout]  --> ipp/src/operation/builder.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     operation::{cups::*, *},
[INFO] [stdout]   |                          - the item `IppPayload` is already imported here
[INFO] [stdout] 9 |     payload::IppPayload,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BTreeMap` is imported redundantly
[INFO] [stdout]    --> ipp/src/value.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     use std::collections::BTreeMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 416 |     use super::*;
[INFO] [stdout]     |         -------- the item `BTreeMap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ipp-examples v5.0.3 (/opt/rustwide/workdir/examples)
[INFO] [stderr]     Checking ipp-util v5.0.3 (/opt/rustwide/workdir/util)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "a098235b6e4320311a81c0379189734c2f23bb0186d03fcf49bc47b85b4b2a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a098235b6e4320311a81c0379189734c2f23bb0186d03fcf49bc47b85b4b2a6d", kill_on_drop: false }`
[INFO] [stdout] a098235b6e4320311a81c0379189734c2f23bb0186d03fcf49bc47b85b4b2a6d