[INFO] cloning repository https://github.com/justmao945/rs_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justmao945/rs_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustmao945%2Frs_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustmao945%2Frs_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a44c0f6995b4a5c17267497fcc4d6826ca374011
[INFO] checking justmao945/rs_demo against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustmao945%2Frs_demo" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justmao945/rs_demo on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justmao945/rs_demo
[INFO] finished tweaking git repo https://github.com/justmao945/rs_demo
[INFO] tweaked toml for git repo https://github.com/justmao945/rs_demo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/justmao945/rs_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c53f11948685a5b54f96ad27aae5184a212b0e0f30a9da75995f84ae80313a
[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" "14c53f11948685a5b54f96ad27aae5184a212b0e0f30a9da75995f84ae80313a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c53f11948685a5b54f96ad27aae5184a212b0e0f30a9da75995f84ae80313a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c53f11948685a5b54f96ad27aae5184a212b0e0f30a9da75995f84ae80313a", kill_on_drop: false }`
[INFO] [stdout] 14c53f11948685a5b54f96ad27aae5184a212b0e0f30a9da75995f84ae80313a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3295739eab30ad98bdaa14557f2de974c5c682d5ca84236cdc6f1a5af5e86923
[INFO] running `Command { std: "docker" "start" "-a" "3295739eab30ad98bdaa14557f2de974c5c682d5ca84236cdc6f1a5af5e86923", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking futures-sink v0.3.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking futures-io v0.3.10
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking levenshtein_automata v0.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.10
[INFO] [stderr]     Checking futures-task v0.3.10
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking owned-read v0.4.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking bitpacking v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tantivy-fst v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking fail v0.4.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tantivy-query-grammar v0.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.10
[INFO] [stderr]     Checking futures-executor v0.3.10
[INFO] [stderr]     Checking futures v0.3.10
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking tantivy v0.13.3
[INFO] [stderr]     Checking rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "3295739eab30ad98bdaa14557f2de974c5c682d5ca84236cdc6f1a5af5e86923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3295739eab30ad98bdaa14557f2de974c5c682d5ca84236cdc6f1a5af5e86923", kill_on_drop: false }`
[INFO] [stdout] 3295739eab30ad98bdaa14557f2de974c5c682d5ca84236cdc6f1a5af5e86923