[INFO] fetching crate remote_serial 1.0.9... [INFO] checking remote_serial-1.0.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate remote_serial 1.0.9 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate remote_serial 1.0.9 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config [INFO] started tweaking crates.io crate remote_serial 1.0.9 [INFO] finished tweaking crates.io crate remote_serial 1.0.9 [INFO] tweaked toml for crates.io crate remote_serial 1.0.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate remote_serial 1.0.9 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-core v0.3.14 [INFO] [stderr] Downloaded futures-sink v0.3.14 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded local_ipaddress v0.1.3 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded mio-serial v3.3.1 [INFO] [stderr] Downloaded crossterm_winapi v0.6.2 [INFO] [stderr] Downloaded crossterm v0.18.2 [INFO] [stderr] Downloaded futures-channel v0.3.14 [INFO] [stderr] Downloaded futures-util v0.3.14 [INFO] [stderr] Downloaded futures v0.3.14 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded serialport v3.3.0 [INFO] [stderr] Downloaded syn v1.0.70 [INFO] [stderr] Downloaded redox_syscall v0.2.6 [INFO] [stderr] Downloaded futures-executor v0.3.14 [INFO] [stderr] Downloaded futures-io v0.3.14 [INFO] [stderr] Downloaded futures-macro v0.3.14 [INFO] [stderr] Downloaded futures-task v0.3.14 [INFO] [stderr] Downloaded tokio-serial v4.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95f0e6ffd16fff8d5724563bb879fe49fce0048f61cd5f733acc85711445afed [INFO] running `Command { std: "docker" "start" "-a" "95f0e6ffd16fff8d5724563bb879fe49fce0048f61cd5f733acc85711445afed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95f0e6ffd16fff8d5724563bb879fe49fce0048f61cd5f733acc85711445afed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95f0e6ffd16fff8d5724563bb879fe49fce0048f61cd5f733acc85711445afed", kill_on_drop: false }` [INFO] [stdout] 95f0e6ffd16fff8d5724563bb879fe49fce0048f61cd5f733acc85711445afed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3e3b674b643cc5a052991e83247483bb62f194fc26e9c15fc8b58b79f2f1a08 [INFO] running `Command { std: "docker" "start" "-a" "f3e3b674b643cc5a052991e83247483bb62f194fc26e9c15fc8b58b79f2f1a08", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking local_ipaddress v0.1.3 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking mio-serial v3.3.1 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking tokio-serial v4.3.3 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking remote_serial v1.0.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `local_ipaddress` is imported redundantly [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use local_ipaddress; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the item `local_ipaddress` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `local_ipaddress` is imported redundantly [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use local_ipaddress; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the item `local_ipaddress` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.19s [INFO] running `Command { std: "docker" "inspect" "f3e3b674b643cc5a052991e83247483bb62f194fc26e9c15fc8b58b79f2f1a08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3e3b674b643cc5a052991e83247483bb62f194fc26e9c15fc8b58b79f2f1a08", kill_on_drop: false }` [INFO] [stdout] f3e3b674b643cc5a052991e83247483bb62f194fc26e9c15fc8b58b79f2f1a08 [INFO] checking remote_serial-1.0.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate remote_serial 1.0.9 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate remote_serial 1.0.9 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config [INFO] started tweaking crates.io crate remote_serial 1.0.9 [INFO] finished tweaking crates.io crate remote_serial 1.0.9 [INFO] tweaked toml for crates.io crate remote_serial 1.0.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate remote_serial 1.0.9 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3031fe50bddddd53d430cadc301f5fbf9f80890374cab26e5e814b03eba7ec62 [INFO] running `Command { std: "docker" "start" "-a" "3031fe50bddddd53d430cadc301f5fbf9f80890374cab26e5e814b03eba7ec62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3031fe50bddddd53d430cadc301f5fbf9f80890374cab26e5e814b03eba7ec62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3031fe50bddddd53d430cadc301f5fbf9f80890374cab26e5e814b03eba7ec62", kill_on_drop: false }` [INFO] [stdout] 3031fe50bddddd53d430cadc301f5fbf9f80890374cab26e5e814b03eba7ec62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3cc3847af6f93b33a133498abb68b0769b232e7122d152a917c245e659e4fb7d [INFO] running `Command { std: "docker" "start" "-a" "3cc3847af6f93b33a133498abb68b0769b232e7122d152a917c245e659e4fb7d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking local_ipaddress v0.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking mio-serial v3.3.1 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking tokio-serial v4.3.3 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking remote_serial v1.0.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `local_ipaddress` is imported redundantly [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use local_ipaddress; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the item `local_ipaddress` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `local_ipaddress` is imported redundantly [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use local_ipaddress; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the item `local_ipaddress` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.30s [INFO] running `Command { std: "docker" "inspect" "3cc3847af6f93b33a133498abb68b0769b232e7122d152a917c245e659e4fb7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cc3847af6f93b33a133498abb68b0769b232e7122d152a917c245e659e4fb7d", kill_on_drop: false }` [INFO] [stdout] 3cc3847af6f93b33a133498abb68b0769b232e7122d152a917c245e659e4fb7d