[INFO] fetching crate rustwtxt 0.1.5...
[INFO] checking rustwtxt-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rustwtxt 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rustwtxt 0.1.5 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 rustwtxt 0.1.5
[INFO] finished tweaking crates.io crate rustwtxt 0.1.5
[INFO] tweaked toml for crates.io crate rustwtxt 0.1.5 written to /workspace/builds/worker-2-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 67 packages
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.11.0 (latest: v0.22.0)
[INFO] [stderr]       Adding cookie v0.12.0 (latest: v0.18.1)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.16.0 (latest: v0.23.4)
[INFO] [stderr]       Adding sct v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding ureq v0.11.4 (latest: v2.9.6)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding webpki-roots v0.18.0 (latest: v0.26.1)
[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 ureq v0.11.4
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded webpki-roots v0.18.0
[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] 55951ee96daad610af34bb5c9bca235bbf6410e979092c33ca82f67dfbc93446
[INFO] running `Command { std: "docker" "start" "-a" "55951ee96daad610af34bb5c9bca235bbf6410e979092c33ca82f67dfbc93446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55951ee96daad610af34bb5c9bca235bbf6410e979092c33ca82f67dfbc93446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55951ee96daad610af34bb5c9bca235bbf6410e979092c33ca82f67dfbc93446", kill_on_drop: false }`
[INFO] [stdout] 55951ee96daad610af34bb5c9bca235bbf6410e979092c33ca82f67dfbc93446
[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] c8f1f99335e59be7f9bea3f85078f63fd709f088bbef72e2126400b13f300840
[INFO] running `Command { std: "docker" "start" "-a" "c8f1f99335e59be7f9bea3f85078f63fd709f088bbef72e2126400b13f300840", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]     Checking rustwtxt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ureq` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ureq;
[INFO] [stdout]    |     ^^^^ the item `ureq` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ureq` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ureq;
[INFO] [stdout]    |     ^^^^ the item `ureq` is already defined by prelude
[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] [stdout] warning: the item `rustwtxt` is imported redundantly
[INFO] [stdout]  --> tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustwtxt;
[INFO] [stdout]   |     ^^^^^^^^ the item `rustwtxt` is already defined by prelude
[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 6.79s
[INFO] running `Command { std: "docker" "inspect" "c8f1f99335e59be7f9bea3f85078f63fd709f088bbef72e2126400b13f300840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f1f99335e59be7f9bea3f85078f63fd709f088bbef72e2126400b13f300840", kill_on_drop: false }`
[INFO] [stdout] c8f1f99335e59be7f9bea3f85078f63fd709f088bbef72e2126400b13f300840