[INFO] fetching crate phabricator 0.0.4...
[INFO] checking phabricator-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate phabricator 0.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate phabricator 0.0.4 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 phabricator 0.0.4
[INFO] finished tweaking crates.io crate phabricator 0.0.4
[INFO] tweaked toml for crates.io crate phabricator 0.0.4 written to /workspace/builds/worker-6-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 232 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
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[INFO] [stderr]       Adding bytecheck v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (latest: v0.7.0)
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[INFO] [stderr]       Adding darling v0.10.2 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.10.2 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.10.2 (latest: v0.20.8)
[INFO] [stderr]       Adding deadpool v0.9.5 (latest: v0.11.0)
[INFO] [stderr]       Adding derive_builder v0.9.0 (latest: v0.20.0)
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[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding erased-serde v0.3.31 (latest: v0.4.4)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
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[INFO] [stderr]       Adding infer v0.2.3 (latest: v0.15.0)
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[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 phabricator-mock v0.0.4
[INFO] [stderr]   Downloaded phabricator-api v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] da1fffa8d4ee3e57d56ba33f567c935aaeee2cfc9baac240bd27aa9bff13ba2a
[INFO] running `Command { std: "docker" "start" "-a" "da1fffa8d4ee3e57d56ba33f567c935aaeee2cfc9baac240bd27aa9bff13ba2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da1fffa8d4ee3e57d56ba33f567c935aaeee2cfc9baac240bd27aa9bff13ba2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1fffa8d4ee3e57d56ba33f567c935aaeee2cfc9baac240bd27aa9bff13ba2a", kill_on_drop: false }`
[INFO] [stdout] da1fffa8d4ee3e57d56ba33f567c935aaeee2cfc9baac240bd27aa9bff13ba2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 09d1d0aff7534ccc52daf5bdf0d11e89a9ec6834d0944dcdfa456dba5b651596
[INFO] running `Command { std: "docker" "start" "-a" "09d1d0aff7534ccc52daf5bdf0d11e89a9ec6834d0944dcdfa456dba5b651596", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
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[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]    Compiling derive_builder_core v0.9.0
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[INFO] [stderr]     Checking phabricator-mock v0.0.4
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[INFO] [stderr]     Checking phabricator v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Stream` is imported redundantly
[INFO] [stdout]  --> src/projectsbuilder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Stream` is already imported here
[INFO] [stdout] 5 | use futures::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Stream` is imported redundantly
[INFO] [stdout]  --> src/projectsbuilder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Stream` is already imported here
[INFO] [stdout] 5 | use futures::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `phid` and `client` are never read
[INFO] [stdout]   --> src/project.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Project {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     id: u32,
[INFO] [stdout] 11 |     phid: Phid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     client: WeakClient,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Project` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `phid` and `client` are never read
[INFO] [stdout]   --> src/project.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Project {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     id: u32,
[INFO] [stdout] 11 |     phid: Phid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     client: WeakClient,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Project` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "09d1d0aff7534ccc52daf5bdf0d11e89a9ec6834d0944dcdfa456dba5b651596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d1d0aff7534ccc52daf5bdf0d11e89a9ec6834d0944dcdfa456dba5b651596", kill_on_drop: false }`
[INFO] [stdout] 09d1d0aff7534ccc52daf5bdf0d11e89a9ec6834d0944dcdfa456dba5b651596