[INFO] fetching crate favlist 2.0.0...
[INFO] checking favlist-2.0.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate favlist 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate favlist 2.0.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate favlist 2.0.0
[INFO] finished tweaking crates.io crate favlist 2.0.0
[INFO] tweaked toml for crates.io crate favlist 2.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate favlist 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7410f6b9bbdff0255d53d01074476467b349148401d69c0f19ea3985bc60e13a
[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" "7410f6b9bbdff0255d53d01074476467b349148401d69c0f19ea3985bc60e13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7410f6b9bbdff0255d53d01074476467b349148401d69c0f19ea3985bc60e13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7410f6b9bbdff0255d53d01074476467b349148401d69c0f19ea3985bc60e13a", kill_on_drop: false }`
[INFO] [stdout] 7410f6b9bbdff0255d53d01074476467b349148401d69c0f19ea3985bc60e13a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbfe27a0f74ad43525235819764a5d3c0888c0df48a514119b1075418cd486b9
[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" "fbfe27a0f74ad43525235819764a5d3c0888c0df48a514119b1075418cd486b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking rusqlite v0.22.0
[INFO] [stderr]     Checking favlist v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.93s
[INFO] running `Command { std: "docker" "inspect" "fbfe27a0f74ad43525235819764a5d3c0888c0df48a514119b1075418cd486b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfe27a0f74ad43525235819764a5d3c0888c0df48a514119b1075418cd486b9", kill_on_drop: false }`
[INFO] [stdout] fbfe27a0f74ad43525235819764a5d3c0888c0df48a514119b1075418cd486b9