[INFO] fetching crate tinyhttp-codegen 0.4.0-rc3...
[INFO] checking tinyhttp-codegen-0.4.0-rc3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tinyhttp-codegen 0.4.0-rc3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tinyhttp-codegen 0.4.0-rc3 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 tinyhttp-codegen 0.4.0-rc3
[INFO] finished tweaking crates.io crate tinyhttp-codegen 0.4.0-rc3
[INFO] tweaked toml for crates.io crate tinyhttp-codegen 0.4.0-rc3 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]      Locking 39 packages
[INFO] [stderr]       Adding cfb v0.7.3 (latest: v0.9.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 rusty_pool v0.7.0
[INFO] [stderr]   Downloaded infer v0.15.0
[INFO] [stderr]   Downloaded tinyhttp-internal v0.4.0-rc5
[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] 149c1ec264c8942aa0b3f9386c05e4e1c4cd431fb47e3feff81c3d5bf2c84c39
[INFO] running `Command { std: "docker" "start" "-a" "149c1ec264c8942aa0b3f9386c05e4e1c4cd431fb47e3feff81c3d5bf2c84c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "149c1ec264c8942aa0b3f9386c05e4e1c4cd431fb47e3feff81c3d5bf2c84c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149c1ec264c8942aa0b3f9386c05e4e1c4cd431fb47e3feff81c3d5bf2c84c39", kill_on_drop: false }`
[INFO] [stdout] 149c1ec264c8942aa0b3f9386c05e4e1c4cd431fb47e3feff81c3d5bf2c84c39
[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] b39a9c46b8e0636144884009eedb126550a2d37c49c2848763632a7359fa8d19
[INFO] running `Command { std: "docker" "start" "-a" "b39a9c46b8e0636144884009eedb126550a2d37c49c2848763632a7359fa8d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking libc v0.2.153
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking cfb v0.7.3
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking infer v0.15.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rusty_pool v0.7.0
[INFO] [stderr]     Checking tinyhttp-internal v0.4.0-rc5
[INFO] [stderr]     Checking tinyhttp-codegen v0.4.0-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "b39a9c46b8e0636144884009eedb126550a2d37c49c2848763632a7359fa8d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39a9c46b8e0636144884009eedb126550a2d37c49c2848763632a7359fa8d19", kill_on_drop: false }`
[INFO] [stdout] b39a9c46b8e0636144884009eedb126550a2d37c49c2848763632a7359fa8d19
[INFO] checking tinyhttp-codegen-0.4.0-rc3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tinyhttp-codegen 0.4.0-rc3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tinyhttp-codegen 0.4.0-rc3 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 tinyhttp-codegen 0.4.0-rc3
[INFO] finished tweaking crates.io crate tinyhttp-codegen 0.4.0-rc3
[INFO] tweaked toml for crates.io crate tinyhttp-codegen 0.4.0-rc3 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7ff7acbd576eb1d060bb00ade1b95adfb0c6af85b2e6e64c099b22aefc589b0f
[INFO] running `Command { std: "docker" "start" "-a" "7ff7acbd576eb1d060bb00ade1b95adfb0c6af85b2e6e64c099b22aefc589b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff7acbd576eb1d060bb00ade1b95adfb0c6af85b2e6e64c099b22aefc589b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff7acbd576eb1d060bb00ade1b95adfb0c6af85b2e6e64c099b22aefc589b0f", kill_on_drop: false }`
[INFO] [stdout] 7ff7acbd576eb1d060bb00ade1b95adfb0c6af85b2e6e64c099b22aefc589b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bdd99640d33e548f732d5b1c0528fbce170210ad6979b5f84e8d62bf31aae9f2
[INFO] running `Command { std: "docker" "start" "-a" "bdd99640d33e548f732d5b1c0528fbce170210ad6979b5f84e8d62bf31aae9f2", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking libc v0.2.153
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking cfb v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking infer v0.15.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rusty_pool v0.7.0
[INFO] [stderr]     Checking tinyhttp-internal v0.4.0-rc5
[INFO] [stderr]     Checking tinyhttp-codegen v0.4.0-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `Command { std: "docker" "inspect" "bdd99640d33e548f732d5b1c0528fbce170210ad6979b5f84e8d62bf31aae9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd99640d33e548f732d5b1c0528fbce170210ad6979b5f84e8d62bf31aae9f2", kill_on_drop: false }`
[INFO] [stdout] bdd99640d33e548f732d5b1c0528fbce170210ad6979b5f84e8d62bf31aae9f2