[INFO] fetching crate libreddit 0.1.0...
[INFO] checking libreddit-0.1.0 against beta for pr-78714
[INFO] extracting crate libreddit 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libreddit 0.1.0 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 libreddit 0.1.0
[INFO] finished tweaking crates.io crate libreddit 0.1.0
[INFO] tweaked toml for crates.io crate libreddit 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libreddit 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f33610686c987e0f769a92293ea5f3bbf1a0fe81fd0351695493def1e17a2bb8
[INFO] running `Command { std: "docker" "start" "-a" "f33610686c987e0f769a92293ea5f3bbf1a0fe81fd0351695493def1e17a2bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f33610686c987e0f769a92293ea5f3bbf1a0fe81fd0351695493def1e17a2bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33610686c987e0f769a92293ea5f3bbf1a0fe81fd0351695493def1e17a2bb8", kill_on_drop: false }`
[INFO] [stdout] f33610686c987e0f769a92293ea5f3bbf1a0fe81fd0351695493def1e17a2bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 57e360b855b4cfc2dc584d031e72947685a7a891f55c296a15c00ebb081d95de
[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" "57e360b855b4cfc2dc584d031e72947685a7a891f55c296a15c00ebb081d95de", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling v_escape v0.13.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]    Compiling v_htmlescape v0.10.4
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking buf-min v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]     Checking actix-router v0.2.5
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking actix-http v2.0.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking awc v2.0.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking actix-web v3.1.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking actix-files v0.4.0
[INFO] [stderr]     Checking libreddit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "57e360b855b4cfc2dc584d031e72947685a7a891f55c296a15c00ebb081d95de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e360b855b4cfc2dc584d031e72947685a7a891f55c296a15c00ebb081d95de", kill_on_drop: false }`
[INFO] [stdout] 57e360b855b4cfc2dc584d031e72947685a7a891f55c296a15c00ebb081d95de