[INFO] cloning repository https://github.com/chrisbouchard/klondike2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisbouchard/klondike2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisbouchard%2Fklondike2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisbouchard%2Fklondike2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c10c2ce72ca36c27c941788bf25b4ab99eabd67
[INFO] checking chrisbouchard/klondike2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisbouchard%2Fklondike2" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisbouchard/klondike2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisbouchard/klondike2
[INFO] finished tweaking git repo https://github.com/chrisbouchard/klondike2
[INFO] tweaked toml for git repo https://github.com/chrisbouchard/klondike2 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisbouchard/klondike2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7bbe0e7a9519370abf56fdc2fdd31c36c5f5770b525316aa51b34cbdd7821d3
[INFO] running `Command { std: "docker" "start" "-a" "c7bbe0e7a9519370abf56fdc2fdd31c36c5f5770b525316aa51b34cbdd7821d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7bbe0e7a9519370abf56fdc2fdd31c36c5f5770b525316aa51b34cbdd7821d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bbe0e7a9519370abf56fdc2fdd31c36c5f5770b525316aa51b34cbdd7821d3", kill_on_drop: false }`
[INFO] [stdout] c7bbe0e7a9519370abf56fdc2fdd31c36c5f5770b525316aa51b34cbdd7821d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b975be30a1c425710e15db2805cf6a9dc80b4aac59bb342bd1816b8fadc8f2a
[INFO] running `Command { std: "docker" "start" "-a" "0b975be30a1c425710e15db2805cf6a9dc80b4aac59bb342bd1816b8fadc8f2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking enum_like v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling test-case v1.1.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tui v0.13.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling enum_like_derive v0.1.0
[INFO] [stderr]    Compiling velcro_core v0.4.1
[INFO] [stderr]    Compiling velcro_macros v0.4.1
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking velcro v0.4.3
[INFO] [stderr]     Checking klondike2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "0b975be30a1c425710e15db2805cf6a9dc80b4aac59bb342bd1816b8fadc8f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b975be30a1c425710e15db2805cf6a9dc80b4aac59bb342bd1816b8fadc8f2a", kill_on_drop: false }`
[INFO] [stdout] 0b975be30a1c425710e15db2805cf6a9dc80b4aac59bb342bd1816b8fadc8f2a