[INFO] fetching crate serde_dhall 0.10.1...
[INFO] checking serde_dhall-0.10.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate serde_dhall 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_dhall 0.10.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_dhall 0.10.1
[INFO] finished tweaking crates.io crate serde_dhall 0.10.1
[INFO] tweaked toml for crates.io crate serde_dhall 0.10.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f193e50cc0ab949a272c34cf925d1474930bd6a2ed8c2b8482f8d6442903f452
[INFO] running `Command { std: "docker" "start" "-a" "f193e50cc0ab949a272c34cf925d1474930bd6a2ed8c2b8482f8d6442903f452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f193e50cc0ab949a272c34cf925d1474930bd6a2ed8c2b8482f8d6442903f452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f193e50cc0ab949a272c34cf925d1474930bd6a2ed8c2b8482f8d6442903f452", kill_on_drop: false }`
[INFO] [stdout] f193e50cc0ab949a272c34cf925d1474930bd6a2ed8c2b8482f8d6442903f452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c2180ec3646d7bc94482a89625c78d439b3fe4e23edf9b1bdd985d6c33deb4
[INFO] running `Command { std: "docker" "start" "-a" "c1c2180ec3646d7bc94482a89625c78d439b3fe4e23edf9b1bdd985d6c33deb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking annotate-snippets v0.9.0
[INFO] [stderr]     Checking elsa v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling abnf v0.6.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]    Compiling abnf_to_pest v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pest_consume_macros v1.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling dhall v0.10.1
[INFO] [stderr]    Compiling dhall_proc_macros v0.5.1
[INFO] [stderr]     Checking pest_consume v1.1.1
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Checking serde_dhall v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.28s
[INFO] running `Command { std: "docker" "inspect" "c1c2180ec3646d7bc94482a89625c78d439b3fe4e23edf9b1bdd985d6c33deb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c2180ec3646d7bc94482a89625c78d439b3fe4e23edf9b1bdd985d6c33deb4", kill_on_drop: false }`
[INFO] [stdout] c1c2180ec3646d7bc94482a89625c78d439b3fe4e23edf9b1bdd985d6c33deb4