[INFO] cloning repository https://github.com/motss/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/motss/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotss%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotss%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba8b1604551ac72a4b3e93a0ed2de3e5ae9f6621 [INFO] testing motss/learning-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotss%2Flearning-rust" "/workspace/builds/worker-74/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/motss/learning-rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/motss/learning-rust [INFO] finished tweaking git repo https://github.com/motss/learning-rust [INFO] tweaked toml for git repo https://github.com/motss/learning-rust written to /workspace/builds/worker-74/source/Cargo.toml [INFO] crate git repo https://github.com/motss/learning-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 550ac89bf7824adb8f33bec7de16eacd5345bd54aa4010ebe6237b4951338888 [INFO] running `Command { std: "docker" "start" "-a" "550ac89bf7824adb8f33bec7de16eacd5345bd54aa4010ebe6237b4951338888", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "550ac89bf7824adb8f33bec7de16eacd5345bd54aa4010ebe6237b4951338888", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "550ac89bf7824adb8f33bec7de16eacd5345bd54aa4010ebe6237b4951338888", kill_on_drop: false }` [INFO] [stdout] 550ac89bf7824adb8f33bec7de16eacd5345bd54aa4010ebe6237b4951338888 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6eed05f10b5fc895f6bdf8af5d2df1327f21e3dfe381fd9d97e41ed119e5a67e [INFO] running `Command { std: "docker" "start" "-a" "6eed05f10b5fc895f6bdf8af5d2df1327f21e3dfe381fd9d97e41ed119e5a67e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling byteorder v1.2.4 [INFO] [stderr] Compiling futures v0.1.23 [INFO] [stderr] Compiling lazy_static v1.0.2 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling matches v0.1.7 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling arrayref v0.3.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling indexmap v1.0.1 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling string v0.1.1 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling utf-8 v0.7.4 [INFO] [stderr] Compiling termcolor v1.0.1 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling tokio-executor v0.1.2 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling syn v0.14.7 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling tokio-timer v0.2.4 [INFO] [stderr] Compiling url v1.7.1 [INFO] [stderr] Compiling crossbeam-deque v0.3.1 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling sha-1 v0.7.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling bytes v0.4.9 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.15 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling serde_json v1.0.24 [INFO] [stderr] Compiling serde_urlencoded v0.5.2 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Compiling tokio-threadpool v0.1.5 [INFO] [stderr] Compiling tokio-io v0.1.7 [INFO] [stderr] Compiling http v0.1.8 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling env_logger v0.5.12 [INFO] [stderr] Compiling tungstenite v0.6.0 [INFO] [stderr] Compiling pretty_env_logger v0.2.4 [INFO] [stderr] Compiling tokio-reactor v0.1.2 [INFO] [stderr] Compiling tokio-codec v0.1.0 [INFO] [stderr] Compiling tokio-fs v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio-udp v0.1.1 [INFO] [stderr] Compiling tokio v0.1.7 [INFO] [stderr] Compiling h2 v0.1.11 [INFO] [stderr] Compiling hyper v0.12.7 [INFO] [stderr] Compiling warp v0.1.0 [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.53s [INFO] running `Command { std: "docker" "inspect" "6eed05f10b5fc895f6bdf8af5d2df1327f21e3dfe381fd9d97e41ed119e5a67e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eed05f10b5fc895f6bdf8af5d2df1327f21e3dfe381fd9d97e41ed119e5a67e", kill_on_drop: false }` [INFO] [stdout] 6eed05f10b5fc895f6bdf8af5d2df1327f21e3dfe381fd9d97e41ed119e5a67e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 004f390c4740e77aca3b7baba17ef3b8946f9c1dd56c53b5fb243b29fc7e118a [INFO] running `Command { std: "docker" "start" "-a" "004f390c4740e77aca3b7baba17ef3b8946f9c1dd56c53b5fb243b29fc7e118a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.65s [INFO] running `Command { std: "docker" "inspect" "004f390c4740e77aca3b7baba17ef3b8946f9c1dd56c53b5fb243b29fc7e118a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "004f390c4740e77aca3b7baba17ef3b8946f9c1dd56c53b5fb243b29fc7e118a", kill_on_drop: false }` [INFO] [stdout] 004f390c4740e77aca3b7baba17ef3b8946f9c1dd56c53b5fb243b29fc7e118a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 52b4f6234b499b11073cbba6d2b1624732d8aa1b86aadfb5e76698e6062235cf [INFO] running `Command { std: "docker" "start" "-a" "52b4f6234b499b11073cbba6d2b1624732d8aa1b86aadfb5e76698e6062235cf", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/learning_rust-179c7bf6eb1bc00a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "52b4f6234b499b11073cbba6d2b1624732d8aa1b86aadfb5e76698e6062235cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52b4f6234b499b11073cbba6d2b1624732d8aa1b86aadfb5e76698e6062235cf", kill_on_drop: false }` [INFO] [stdout] 52b4f6234b499b11073cbba6d2b1624732d8aa1b86aadfb5e76698e6062235cf