[INFO] fetching crate libravatar 0.1.0...
[INFO] checking libravatar-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate libravatar 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libravatar 0.1.0 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 libravatar 0.1.0
[INFO] finished tweaking crates.io crate libravatar 0.1.0
[INFO] tweaked toml for crates.io crate libravatar 0.1.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 41 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[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] 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] faa7a5e61dcfc28f9edac9fbaa908adf7dd59a16e1da4dd26e13b15fb9699cc6
[INFO] running `Command { std: "docker" "start" "-a" "faa7a5e61dcfc28f9edac9fbaa908adf7dd59a16e1da4dd26e13b15fb9699cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faa7a5e61dcfc28f9edac9fbaa908adf7dd59a16e1da4dd26e13b15fb9699cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa7a5e61dcfc28f9edac9fbaa908adf7dd59a16e1da4dd26e13b15fb9699cc6", kill_on_drop: false }`
[INFO] [stdout] faa7a5e61dcfc28f9edac9fbaa908adf7dd59a16e1da4dd26e13b15fb9699cc6
[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] 6e3b0cdd73bac2e88efa426949f1498559b0033118b42bc601ecd39639a9fa16
[INFO] running `Command { std: "docker" "start" "-a" "6e3b0cdd73bac2e88efa426949f1498559b0033118b42bc601ecd39639a9fa16", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking libravatar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "6e3b0cdd73bac2e88efa426949f1498559b0033118b42bc601ecd39639a9fa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3b0cdd73bac2e88efa426949f1498559b0033118b42bc601ecd39639a9fa16", kill_on_drop: false }`
[INFO] [stdout] 6e3b0cdd73bac2e88efa426949f1498559b0033118b42bc601ecd39639a9fa16
[INFO] checking libravatar-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate libravatar 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate libravatar 0.1.0 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 libravatar 0.1.0
[INFO] finished tweaking crates.io crate libravatar 0.1.0
[INFO] tweaked toml for crates.io crate libravatar 0.1.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8d79b72d8bd19532430e1a0e84b5a9d8c64e4138687ea45a00104a1d3ee3469c
[INFO] running `Command { std: "docker" "start" "-a" "8d79b72d8bd19532430e1a0e84b5a9d8c64e4138687ea45a00104a1d3ee3469c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d79b72d8bd19532430e1a0e84b5a9d8c64e4138687ea45a00104a1d3ee3469c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d79b72d8bd19532430e1a0e84b5a9d8c64e4138687ea45a00104a1d3ee3469c", kill_on_drop: false }`
[INFO] [stdout] 8d79b72d8bd19532430e1a0e84b5a9d8c64e4138687ea45a00104a1d3ee3469c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b9576f523bd80a1b5c63fa341f5c0fae8d4f3afc146a354e9828be322581fea8
[INFO] running `Command { std: "docker" "start" "-a" "b9576f523bd80a1b5c63fa341f5c0fae8d4f3afc146a354e9828be322581fea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking libravatar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "b9576f523bd80a1b5c63fa341f5c0fae8d4f3afc146a354e9828be322581fea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9576f523bd80a1b5c63fa341f5c0fae8d4f3afc146a354e9828be322581fea8", kill_on_drop: false }`
[INFO] [stdout] b9576f523bd80a1b5c63fa341f5c0fae8d4f3afc146a354e9828be322581fea8