[INFO] fetching crate persistent-keystore-rs 0.0.8...
[INFO] checking persistent-keystore-rs-0.0.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate persistent-keystore-rs 0.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate persistent-keystore-rs 0.0.8 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 persistent-keystore-rs 0.0.8
[INFO] finished tweaking crates.io crate persistent-keystore-rs 0.0.8
[INFO] tweaked toml for crates.io crate persistent-keystore-rs 0.0.8 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages
[INFO] [stderr]       Adding downcast v0.10.0 (latest: v0.11.0)
[INFO] [stderr]       Adding float-cmp v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding fragile v1.2.2 (latest: v2.0.0)
[INFO] [stderr]       Adding lz4_flex v0.9.5 (latest: v0.11.3)
[INFO] [stderr]       Adding mockall v0.10.2 (latest: v0.12.1)
[INFO] [stderr]       Adding mockall_derive v0.10.2 (latest: v0.12.1)
[INFO] [stderr]       Adding predicates v1.0.8 (latest: v3.1.0)
[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]     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 fragile v1.2.2
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded lz4_flex v0.9.5
[INFO] [stderr]   Downloaded mockall v0.10.2
[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] 61082522b9d92863ca2a80448fd7f7946cf6528caa8c84113f39e8b315bdaf73
[INFO] running `Command { std: "docker" "start" "-a" "61082522b9d92863ca2a80448fd7f7946cf6528caa8c84113f39e8b315bdaf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61082522b9d92863ca2a80448fd7f7946cf6528caa8c84113f39e8b315bdaf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61082522b9d92863ca2a80448fd7f7946cf6528caa8c84113f39e8b315bdaf73", kill_on_drop: false }`
[INFO] [stdout] 61082522b9d92863ca2a80448fd7f7946cf6528caa8c84113f39e8b315bdaf73
[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] 07da07e54de23654eda283c5221f920bfcb6338316af7b61407364ecce707aa5
[INFO] running `Command { std: "docker" "start" "-a" "07da07e54de23654eda283c5221f920bfcb6338316af7b61407364ecce707aa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking lz4_flex v0.9.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking persistent-keystore-rs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "07da07e54de23654eda283c5221f920bfcb6338316af7b61407364ecce707aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07da07e54de23654eda283c5221f920bfcb6338316af7b61407364ecce707aa5", kill_on_drop: false }`
[INFO] [stdout] 07da07e54de23654eda283c5221f920bfcb6338316af7b61407364ecce707aa5