[INFO] fetching crate paperoni 0.1.0-alpha1...
[INFO] checking paperoni-0.1.0-alpha1 against beta for pr-78714
[INFO] extracting crate paperoni 0.1.0-alpha1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate paperoni 0.1.0-alpha1 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 paperoni 0.1.0-alpha1
[INFO] finished tweaking crates.io crate paperoni 0.1.0-alpha1
[INFO] tweaked toml for crates.io crate paperoni 0.1.0-alpha1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate paperoni 0.1.0-alpha1 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2e8c602b72d68c4401a5eb492e000c8decd6373174547d4d1e25c0231b12437a
[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" "2e8c602b72d68c4401a5eb492e000c8decd6373174547d4d1e25c0231b12437a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8c602b72d68c4401a5eb492e000c8decd6373174547d4d1e25c0231b12437a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8c602b72d68c4401a5eb492e000c8decd6373174547d4d1e25c0231b12437a", kill_on_drop: false }`
[INFO] [stdout] 2e8c602b72d68c4401a5eb492e000c8decd6373174547d4d1e25c0231b12437a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 0954cd8959a925ec56dc449a47c731808d1bd7a864fea839426cfcaab0c924ee
[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" "0954cd8959a925ec56dc449a47c731808d1bd7a864fea839426cfcaab0c924ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking backtrace-sys v0.1.37
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling string_cache v0.5.2
[INFO] [stderr]    Compiling html5ever-atoms v0.3.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking html2text v0.1.11
[INFO] [stderr]     Checking kuchiki v0.8.1
[INFO] [stderr]     Checking epub-builder v0.4.5
[INFO] [stderr]     Checking paperoni v0.1.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "0954cd8959a925ec56dc449a47c731808d1bd7a864fea839426cfcaab0c924ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0954cd8959a925ec56dc449a47c731808d1bd7a864fea839426cfcaab0c924ee", kill_on_drop: false }`
[INFO] [stdout] 0954cd8959a925ec56dc449a47c731808d1bd7a864fea839426cfcaab0c924ee