[INFO] fetching crate http-api-isahc-client 0.2.2...
[INFO] checking http-api-isahc-client-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate http-api-isahc-client 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate http-api-isahc-client 0.2.2 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 http-api-isahc-client 0.2.2
[INFO] finished tweaking crates.io crate http-api-isahc-client 0.2.2
[INFO] tweaked toml for crates.io crate http-api-isahc-client 0.2.2 written to /workspace/builds/worker-0-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 117 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.2)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding castaway v0.1.2 (latest: v0.2.2)
[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 futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.6.0)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.32)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[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)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[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 castaway v0.1.2
[INFO] [stderr]   Downloaded sluice v0.5.5
[INFO] [stderr]   Downloaded async-sleep v0.4.1
[INFO] [stderr]   Downloaded async-timer v1.0.0-beta.13
[INFO] [stderr]   Downloaded http-api-client v0.2.1
[INFO] [stderr]   Downloaded error-code v3.2.0
[INFO] [stderr]   Downloaded http-api-client-endpoint v0.2.1
[INFO] [stderr]   Downloaded isahc v1.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3d58c906dd4cdabb178019da3a0eeff83fe06c99ac4f92b0565baf5b7de780f0
[INFO] running `Command { std: "docker" "start" "-a" "3d58c906dd4cdabb178019da3a0eeff83fe06c99ac4f92b0565baf5b7de780f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d58c906dd4cdabb178019da3a0eeff83fe06c99ac4f92b0565baf5b7de780f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d58c906dd4cdabb178019da3a0eeff83fe06c99ac4f92b0565baf5b7de780f0", kill_on_drop: false }`
[INFO] [stdout] 3d58c906dd4cdabb178019da3a0eeff83fe06c99ac4f92b0565baf5b7de780f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 903568cf3160b5832d420a57bc89cac555610a28dbc706aaa295d959022afd64
[INFO] running `Command { std: "docker" "start" "-a" "903568cf3160b5832d420a57bc89cac555610a28dbc706aaa295d959022afd64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking http-api-client-endpoint v0.2.1
[INFO] [stderr]     Checking castaway v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http-api-client v0.2.1
[INFO] [stderr]     Checking sluice v0.5.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking http-api-isahc-client v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> tests/with_sleep_via_x.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Foo;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 5.35s
[INFO] running `Command { std: "docker" "inspect" "903568cf3160b5832d420a57bc89cac555610a28dbc706aaa295d959022afd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903568cf3160b5832d420a57bc89cac555610a28dbc706aaa295d959022afd64", kill_on_drop: false }`
[INFO] [stdout] 903568cf3160b5832d420a57bc89cac555610a28dbc706aaa295d959022afd64
[INFO] checking http-api-isahc-client-0.2.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate http-api-isahc-client 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate http-api-isahc-client 0.2.2 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 http-api-isahc-client 0.2.2
[INFO] finished tweaking crates.io crate http-api-isahc-client 0.2.2
[INFO] tweaked toml for crates.io crate http-api-isahc-client 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a1909a75f019a7d29bcd889adb5b93f0e11c863c54b5a3830f09bbe3f26368e0
[INFO] running `Command { std: "docker" "start" "-a" "a1909a75f019a7d29bcd889adb5b93f0e11c863c54b5a3830f09bbe3f26368e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1909a75f019a7d29bcd889adb5b93f0e11c863c54b5a3830f09bbe3f26368e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1909a75f019a7d29bcd889adb5b93f0e11c863c54b5a3830f09bbe3f26368e0", kill_on_drop: false }`
[INFO] [stdout] a1909a75f019a7d29bcd889adb5b93f0e11c863c54b5a3830f09bbe3f26368e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 47a33e36da667e61ae8e37552e0dc4fdd2ce451945789682d5648a7001965753
[INFO] running `Command { std: "docker" "start" "-a" "47a33e36da667e61ae8e37552e0dc4fdd2ce451945789682d5648a7001965753", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]     Checking http-api-client-endpoint v0.2.1
[INFO] [stderr]     Checking castaway v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http-api-client v0.2.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking sluice v0.5.5
[INFO] [stderr]     Checking http-api-isahc-client v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> tests/with_sleep_via_x.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Foo;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 6.61s
[INFO] running `Command { std: "docker" "inspect" "47a33e36da667e61ae8e37552e0dc4fdd2ce451945789682d5648a7001965753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a33e36da667e61ae8e37552e0dc4fdd2ce451945789682d5648a7001965753", kill_on_drop: false }`
[INFO] [stdout] 47a33e36da667e61ae8e37552e0dc4fdd2ce451945789682d5648a7001965753