[INFO] cloning repository https://github.com/JuanPotato/my_first_async_calculator.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanPotato/my_first_async_calculator.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmy_first_async_calculator.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmy_first_async_calculator.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7dfb764163c920fb9d7439b33d552178e5596da4 [INFO] checking JuanPotato/my_first_async_calculator.rs against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmy_first_async_calculator.rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JuanPotato/my_first_async_calculator.rs on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JuanPotato/my_first_async_calculator.rs [INFO] finished tweaking git repo https://github.com/JuanPotato/my_first_async_calculator.rs [INFO] tweaked toml for git repo https://github.com/JuanPotato/my_first_async_calculator.rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JuanPotato/my_first_async_calculator.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num_cpus v1.10.0 [INFO] [stderr] Downloaded tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Downloaded tracing-attributes v0.1.5 [INFO] [stderr] Downloaded crossbeam-utils v0.6.5 [INFO] [stderr] Downloaded tracing v0.1.10 [INFO] [stderr] Downloaded byteorder v1.3.1 [INFO] [stderr] Downloaded tracing-core v0.1.7 [INFO] [stderr] Downloaded mio v0.6.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 792670687cbae603eb78eb537560b3396863d1615c7676130481ce5154902252 [INFO] running `Command { std: "docker" "start" "-a" "792670687cbae603eb78eb537560b3396863d1615c7676130481ce5154902252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "792670687cbae603eb78eb537560b3396863d1615c7676130481ce5154902252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792670687cbae603eb78eb537560b3396863d1615c7676130481ce5154902252", kill_on_drop: false }` [INFO] [stdout] 792670687cbae603eb78eb537560b3396863d1615c7676130481ce5154902252 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e77946f6ddd109160854e424ad9a1d6332c9e5e249029b12b7e259cb431d0f12 [INFO] running `Command { std: "docker" "start" "-a" "e77946f6ddd109160854e424ad9a1d6332c9e5e249029b12b7e259cb431d0f12", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking async_calc_utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Checking async_calc_server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stderr] Checking async_calc_client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.65s [INFO] running `Command { std: "docker" "inspect" "e77946f6ddd109160854e424ad9a1d6332c9e5e249029b12b7e259cb431d0f12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e77946f6ddd109160854e424ad9a1d6332c9e5e249029b12b7e259cb431d0f12", kill_on_drop: false }` [INFO] [stdout] e77946f6ddd109160854e424ad9a1d6332c9e5e249029b12b7e259cb431d0f12 [INFO] checking JuanPotato/my_first_async_calculator.rs against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanPotato%2Fmy_first_async_calculator.rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JuanPotato/my_first_async_calculator.rs on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JuanPotato/my_first_async_calculator.rs [INFO] finished tweaking git repo https://github.com/JuanPotato/my_first_async_calculator.rs [INFO] tweaked toml for git repo https://github.com/JuanPotato/my_first_async_calculator.rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JuanPotato/my_first_async_calculator.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47a77c3f53de4587aa5d6867c5e75d6ff75668dccdb0f6a81d147e11119c86c5 [INFO] running `Command { std: "docker" "start" "-a" "47a77c3f53de4587aa5d6867c5e75d6ff75668dccdb0f6a81d147e11119c86c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47a77c3f53de4587aa5d6867c5e75d6ff75668dccdb0f6a81d147e11119c86c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47a77c3f53de4587aa5d6867c5e75d6ff75668dccdb0f6a81d147e11119c86c5", kill_on_drop: false }` [INFO] [stdout] 47a77c3f53de4587aa5d6867c5e75d6ff75668dccdb0f6a81d147e11119c86c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd8fbf0f5cc5f6bf38ad9516ec9339c8d158c73a632e8d555c880c6fb66a446f [INFO] running `Command { std: "docker" "start" "-a" "bd8fbf0f5cc5f6bf38ad9516ec9339c8d158c73a632e8d555c880c6fb66a446f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking async_calc_utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Checking async_calc_server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stderr] Checking async_calc_client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.74s [INFO] running `Command { std: "docker" "inspect" "bd8fbf0f5cc5f6bf38ad9516ec9339c8d158c73a632e8d555c880c6fb66a446f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd8fbf0f5cc5f6bf38ad9516ec9339c8d158c73a632e8d555c880c6fb66a446f", kill_on_drop: false }` [INFO] [stdout] bd8fbf0f5cc5f6bf38ad9516ec9339c8d158c73a632e8d555c880c6fb66a446f