[INFO] fetching crate hnews 0.4.1...
[INFO] checking hnews-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate hnews 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate hnews 0.4.1 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 hnews 0.4.1
[INFO] finished tweaking crates.io crate hnews 0.4.1
[INFO] tweaked toml for crates.io crate hnews 0.4.1 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 49 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mini-internal v0.1.38
[INFO] [stderr]   Downloaded miniserde v0.1.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f04a0d051497ba9483e9fd25ad4a5d1107c69fad417a2c69311574e4aa744617
[INFO] running `Command { std: "docker" "start" "-a" "f04a0d051497ba9483e9fd25ad4a5d1107c69fad417a2c69311574e4aa744617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04a0d051497ba9483e9fd25ad4a5d1107c69fad417a2c69311574e4aa744617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04a0d051497ba9483e9fd25ad4a5d1107c69fad417a2c69311574e4aa744617", kill_on_drop: false }`
[INFO] [stdout] f04a0d051497ba9483e9fd25ad4a5d1107c69fad417a2c69311574e4aa744617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4ad06a2df49caad242b8c2b1ca002414cfff56cfba3627a84d15b50704066cbb
[INFO] running `Command { std: "docker" "start" "-a" "4ad06a2df49caad242b8c2b1ca002414cfff56cfba3627a84d15b50704066cbb", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling mini-internal v0.1.38
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking miniserde v0.1.38
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking rustls v0.22.3
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking hnews v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/prelude.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) use std::convert::{TryFrom, TryInto};
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/prelude.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) use std::convert::{TryFrom, TryInto};
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` 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 `TryInto` is imported redundantly
[INFO] [stdout]   --> tests/test.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use std::convert::TryInto;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` 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 6.48s
[INFO] running `Command { std: "docker" "inspect" "4ad06a2df49caad242b8c2b1ca002414cfff56cfba3627a84d15b50704066cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad06a2df49caad242b8c2b1ca002414cfff56cfba3627a84d15b50704066cbb", kill_on_drop: false }`
[INFO] [stdout] 4ad06a2df49caad242b8c2b1ca002414cfff56cfba3627a84d15b50704066cbb