[INFO] fetching crate azure_devops_rust_api 0.14.1...
[INFO] checking azure_devops_rust_api-0.14.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate azure_devops_rust_api 0.14.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate azure_devops_rust_api 0.14.1 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 azure_devops_rust_api 0.14.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate azure_devops_rust_api 0.14.1
[INFO] tweaked toml for crates.io crate azure_devops_rust_api 0.14.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate azure_devops_rust_api 0.14.1 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f318a4ef9ec2eb79ec98fc19dcf0ba9b1258060633472ee682b49cfda5b90f5a
[INFO] running `Command { std: "docker" "start" "-a" "f318a4ef9ec2eb79ec98fc19dcf0ba9b1258060633472ee682b49cfda5b90f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f318a4ef9ec2eb79ec98fc19dcf0ba9b1258060633472ee682b49cfda5b90f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f318a4ef9ec2eb79ec98fc19dcf0ba9b1258060633472ee682b49cfda5b90f5a", kill_on_drop: false }`
[INFO] [stdout] f318a4ef9ec2eb79ec98fc19dcf0ba9b1258060633472ee682b49cfda5b90f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a4eec0895fc8d14d9358a288d4abf717b79499e6246dd255b85995f8d2a8c9fb
[INFO] running `Command { std: "docker" "start" "-a" "a4eec0895fc8d14d9358a288d4abf717b79499e6246dd255b85995f8d2a8c9fb", kill_on_drop: false }`
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[INFO] [stderr]     Checking azure_devops_rust_api v0.14.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/serde.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` 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: the item `ErrorKind` is imported redundantly
[INFO] [stdout]    --> src/date_time.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::*;
[INFO] [stdout]     |         -------- the item `ErrorKind` is already imported here
[INFO] [stdout] 114 |     use azure_core::error::{ErrorKind, ResultExt};
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ResultExt` is imported redundantly
[INFO] [stdout]    --> src/date_time.rs:114:40
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::*;
[INFO] [stdout]     |         -------- the item `ResultExt` is already imported here
[INFO] [stdout] 114 |     use azure_core::error::{ErrorKind, ResultExt};
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/date_time.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/serde.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "a4eec0895fc8d14d9358a288d4abf717b79499e6246dd255b85995f8d2a8c9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4eec0895fc8d14d9358a288d4abf717b79499e6246dd255b85995f8d2a8c9fb", kill_on_drop: false }`
[INFO] [stdout] a4eec0895fc8d14d9358a288d4abf717b79499e6246dd255b85995f8d2a8c9fb
[INFO] checking azure_devops_rust_api-0.14.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate azure_devops_rust_api 0.14.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate azure_devops_rust_api 0.14.1 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 azure_devops_rust_api 0.14.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate azure_devops_rust_api 0.14.1
[INFO] tweaked toml for crates.io crate azure_devops_rust_api 0.14.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate azure_devops_rust_api 0.14.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4ff9dbe09629e7ec9962d3527f00da30c49ec0e0802c7c9050c40578205b7f2a
[INFO] running `Command { std: "docker" "start" "-a" "4ff9dbe09629e7ec9962d3527f00da30c49ec0e0802c7c9050c40578205b7f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff9dbe09629e7ec9962d3527f00da30c49ec0e0802c7c9050c40578205b7f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff9dbe09629e7ec9962d3527f00da30c49ec0e0802c7c9050c40578205b7f2a", kill_on_drop: false }`
[INFO] [stdout] 4ff9dbe09629e7ec9962d3527f00da30c49ec0e0802c7c9050c40578205b7f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 17b0ab8bf8a478cf86dfe20cb463d572e3e47b7977b9c8c407725ae48fc8d4c7
[INFO] running `Command { std: "docker" "start" "-a" "17b0ab8bf8a478cf86dfe20cb463d572e3e47b7977b9c8c407725ae48fc8d4c7", kill_on_drop: false }`
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[INFO] [stderr]     Checking azure_devops_rust_api v0.14.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/serde.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` 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: the item `ErrorKind` is imported redundantly
[INFO] [stdout]    --> src/date_time.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::*;
[INFO] [stdout]     |         -------- the item `ErrorKind` is already imported here
[INFO] [stdout] 114 |     use azure_core::error::{ErrorKind, ResultExt};
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ResultExt` is imported redundantly
[INFO] [stdout]    --> src/date_time.rs:114:40
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::*;
[INFO] [stdout]     |         -------- the item `ResultExt` is already imported here
[INFO] [stdout] 114 |     use azure_core::error::{ErrorKind, ResultExt};
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/date_time.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/serde.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "17b0ab8bf8a478cf86dfe20cb463d572e3e47b7977b9c8c407725ae48fc8d4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b0ab8bf8a478cf86dfe20cb463d572e3e47b7977b9c8c407725ae48fc8d4c7", kill_on_drop: false }`
[INFO] [stdout] 17b0ab8bf8a478cf86dfe20cb463d572e3e47b7977b9c8c407725ae48fc8d4c7