[INFO] cloning repository https://github.com/yuchunzhou/scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuchunzhou/scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fscanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fscanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cead3ad54449ed0fea8307bfb2b1a135c66a9af7
[INFO] checking yuchunzhou/scanner against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fscanner" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuchunzhou/scanner on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuchunzhou/scanner
[INFO] finished tweaking git repo https://github.com/yuchunzhou/scanner
[INFO] tweaked toml for git repo https://github.com/yuchunzhou/scanner written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe8fc23fb8107afa69637a96bf8505132e1402a9cdd6183f8feab3a726a2a9f3
[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" "fe8fc23fb8107afa69637a96bf8505132e1402a9cdd6183f8feab3a726a2a9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe8fc23fb8107afa69637a96bf8505132e1402a9cdd6183f8feab3a726a2a9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8fc23fb8107afa69637a96bf8505132e1402a9cdd6183f8feab3a726a2a9f3", kill_on_drop: false }`
[INFO] [stdout] fe8fc23fb8107afa69637a96bf8505132e1402a9cdd6183f8feab3a726a2a9f3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55821c714a1aad2696ae09a0c1a05733a206c76b3de3367efc55babf1c762c3
[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" "e55821c714a1aad2696ae09a0c1a05733a206c76b3de3367efc55babf1c762c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `Command { std: "docker" "inspect" "e55821c714a1aad2696ae09a0c1a05733a206c76b3de3367efc55babf1c762c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55821c714a1aad2696ae09a0c1a05733a206c76b3de3367efc55babf1c762c3", kill_on_drop: false }`
[INFO] [stdout] e55821c714a1aad2696ae09a0c1a05733a206c76b3de3367efc55babf1c762c3