[INFO] fetching crate ratchet_rs 0.4.1...
[INFO] checking ratchet_rs-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ratchet_rs 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ratchet_rs 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 ratchet_rs 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ratchet_rs 0.4.1
[INFO] tweaked toml for crates.io crate ratchet_rs 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ratchet_rs 0.4.1 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 }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ratchet_core v0.4.1
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded ratchet_ext v0.4.1
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded cpufeatures v0.2.8
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded syn v2.0.22
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded ratchet_deflate v0.4.1
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[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] 0e061d43f0123d20afdfe8eb478e6bec78b540e70a59e2c9d18d3da196b091cd
[INFO] running `Command { std: "docker" "start" "-a" "0e061d43f0123d20afdfe8eb478e6bec78b540e70a59e2c9d18d3da196b091cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e061d43f0123d20afdfe8eb478e6bec78b540e70a59e2c9d18d3da196b091cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e061d43f0123d20afdfe8eb478e6bec78b540e70a59e2c9d18d3da196b091cd", kill_on_drop: false }`
[INFO] [stdout] 0e061d43f0123d20afdfe8eb478e6bec78b540e70a59e2c9d18d3da196b091cd
[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] 0636c447dce4a0353565bc080a99a746db8556dc3a6d618e6aa42b2d88d543ae
[INFO] running `Command { std: "docker" "start" "-a" "0636c447dce4a0353565bc080a99a746db8556dc3a6d618e6aa42b2d88d543ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking ratchet_ext v0.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking ratchet_core v0.4.1
[INFO] [stderr]     Checking ratchet_rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.14s
[INFO] running `Command { std: "docker" "inspect" "0636c447dce4a0353565bc080a99a746db8556dc3a6d618e6aa42b2d88d543ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0636c447dce4a0353565bc080a99a746db8556dc3a6d618e6aa42b2d88d543ae", kill_on_drop: false }`
[INFO] [stdout] 0636c447dce4a0353565bc080a99a746db8556dc3a6d618e6aa42b2d88d543ae
[INFO] checking ratchet_rs-0.4.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ratchet_rs 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ratchet_rs 0.4.1 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 ratchet_rs 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ratchet_rs 0.4.1
[INFO] tweaked toml for crates.io crate ratchet_rs 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ratchet_rs 0.4.1 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] 101fe08ce3d67a365edded817af4fae892371a41f4272ab56a246caa0021f311
[INFO] running `Command { std: "docker" "start" "-a" "101fe08ce3d67a365edded817af4fae892371a41f4272ab56a246caa0021f311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "101fe08ce3d67a365edded817af4fae892371a41f4272ab56a246caa0021f311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101fe08ce3d67a365edded817af4fae892371a41f4272ab56a246caa0021f311", kill_on_drop: false }`
[INFO] [stdout] 101fe08ce3d67a365edded817af4fae892371a41f4272ab56a246caa0021f311
[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] 3d91eeb4309a54eaa993c22224d1d1ef52e05ff7f1eed36de009bc78ef9b2bc0
[INFO] running `Command { std: "docker" "start" "-a" "3d91eeb4309a54eaa993c22224d1d1ef52e05ff7f1eed36de009bc78ef9b2bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking ratchet_ext v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking ratchet_core v0.4.1
[INFO] [stderr]     Checking ratchet_rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.82s
[INFO] running `Command { std: "docker" "inspect" "3d91eeb4309a54eaa993c22224d1d1ef52e05ff7f1eed36de009bc78ef9b2bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d91eeb4309a54eaa993c22224d1d1ef52e05ff7f1eed36de009bc78ef9b2bc0", kill_on_drop: false }`
[INFO] [stdout] 3d91eeb4309a54eaa993c22224d1d1ef52e05ff7f1eed36de009bc78ef9b2bc0