[INFO] fetching crate google-authenticator 0.4.2...
[INFO] checking google-authenticator-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate google-authenticator 0.4.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate google-authenticator 0.4.2 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 google-authenticator 0.4.2
[INFO] finished tweaking crates.io crate google-authenticator 0.4.2
[INFO] tweaked toml for crates.io crate google-authenticator 0.4.2 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 60 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding hmac-sha1 v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.1)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.1)
[INFO] [stderr]       Adding qrcode v0.12.0 (latest: v0.14.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[INFO] [stderr]       Adding sha1 v0.2.0 (latest: v0.10.6)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac-sha1 v0.1.3
[INFO] [stderr]   Downloaded qrcode v0.12.0
[INFO] [stderr]   Downloaded checked_int_cast v1.0.0
[INFO] [stderr]   Downloaded vc-ltl v5.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d8861ab3c26f211dfe43edb6759e602ea72d1b06bd3ca037e9c8f613e8a36b34
[INFO] running `Command { std: "docker" "start" "-a" "d8861ab3c26f211dfe43edb6759e602ea72d1b06bd3ca037e9c8f613e8a36b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8861ab3c26f211dfe43edb6759e602ea72d1b06bd3ca037e9c8f613e8a36b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8861ab3c26f211dfe43edb6759e602ea72d1b06bd3ca037e9c8f613e8a36b34", kill_on_drop: false }`
[INFO] [stdout] d8861ab3c26f211dfe43edb6759e602ea72d1b06bd3ca037e9c8f613e8a36b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 72e33aa05a17105f6a10ebbdc74e9249185306474bd7461d1768bc7e1ab06696
[INFO] running `Command { std: "docker" "start" "-a" "72e33aa05a17105f6a10ebbdc74e9249185306474bd7461d1768bc7e1ab06696", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking google-authenticator v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "72e33aa05a17105f6a10ebbdc74e9249185306474bd7461d1768bc7e1ab06696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e33aa05a17105f6a10ebbdc74e9249185306474bd7461d1768bc7e1ab06696", kill_on_drop: false }`
[INFO] [stdout] 72e33aa05a17105f6a10ebbdc74e9249185306474bd7461d1768bc7e1ab06696