[INFO] fetching crate dhall 0.8.0...
[INFO] checking dhall-0.8.0 against beta for pr-78714
[INFO] extracting crate dhall 0.8.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dhall 0.8.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dhall 0.8.0
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate dhall 0.8.0
[INFO] tweaked toml for crates.io crate dhall 0.8.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5528ebb58cfb1b8d1b74bba3f1ff2930664c464925d7a16154f807d16dc8dff4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5528ebb58cfb1b8d1b74bba3f1ff2930664c464925d7a16154f807d16dc8dff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5528ebb58cfb1b8d1b74bba3f1ff2930664c464925d7a16154f807d16dc8dff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5528ebb58cfb1b8d1b74bba3f1ff2930664c464925d7a16154f807d16dc8dff4", kill_on_drop: false }`
[INFO] [stdout] 5528ebb58cfb1b8d1b74bba3f1ff2930664c464925d7a16154f807d16dc8dff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ea30c764d1a5244dd1655156b737595edf2a24e532a0de0185962598ff4c773
[INFO] running `Command { std: "docker" "start" "-a" "5ea30c764d1a5244dd1655156b737595edf2a24e532a0de0185962598ff4c773", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking annotate-snippets v0.7.0
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]    Compiling abnf v0.6.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling abnf_to_pest v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling pest_consume_macros v1.0.6
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling dhall v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pest_consume v1.0.6
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking libtest-mimic v0.3.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "5ea30c764d1a5244dd1655156b737595edf2a24e532a0de0185962598ff4c773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea30c764d1a5244dd1655156b737595edf2a24e532a0de0185962598ff4c773", kill_on_drop: false }`
[INFO] [stdout] 5ea30c764d1a5244dd1655156b737595edf2a24e532a0de0185962598ff4c773