[INFO] fetching crate flyway 0.3.0...
[INFO] checking flyway-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate flyway 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flyway 0.3.0 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 flyway 0.3.0
[INFO] finished tweaking crates.io crate flyway 0.3.0
[INFO] tweaked toml for crates.io crate flyway 0.3.0 written to /workspace/builds/worker-2-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 20 packages
[INFO] [stderr]       Adding flyway-codegen v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding flyway-sql-changelog v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[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 flyway-codegen v0.2.2
[INFO] [stderr]   Downloaded flyway-sql-changelog v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e330f0b40a17641cdecccf3a30553d803bb26d2a7bb9272a9429b9553cb5e31
[INFO] running `Command { std: "docker" "start" "-a" "6e330f0b40a17641cdecccf3a30553d803bb26d2a7bb9272a9429b9553cb5e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e330f0b40a17641cdecccf3a30553d803bb26d2a7bb9272a9429b9553cb5e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e330f0b40a17641cdecccf3a30553d803bb26d2a7bb9272a9429b9553cb5e31", kill_on_drop: false }`
[INFO] [stdout] 6e330f0b40a17641cdecccf3a30553d803bb26d2a7bb9272a9429b9553cb5e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 39bb6ec88cebfa28d60375a06653f3eb123ceb1ba6b20d2f9109964ff2a5e7a5
[INFO] running `Command { std: "docker" "start" "-a" "39bb6ec88cebfa28d60375a06653f3eb123ceb1ba6b20d2f9109964ff2a5e7a5", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking flyway-sql-changelog v0.2.2
[INFO] [stderr]    Compiling flyway-codegen v0.2.2
[INFO] [stderr]     Checking flyway v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "39bb6ec88cebfa28d60375a06653f3eb123ceb1ba6b20d2f9109964ff2a5e7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bb6ec88cebfa28d60375a06653f3eb123ceb1ba6b20d2f9109964ff2a5e7a5", kill_on_drop: false }`
[INFO] [stdout] 39bb6ec88cebfa28d60375a06653f3eb123ceb1ba6b20d2f9109964ff2a5e7a5