[INFO] fetching crate p50x 0.1.0... [INFO] checking p50x-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate p50x 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate p50x 0.1.0 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] started tweaking crates.io crate p50x 0.1.0 [INFO] finished tweaking crates.io crate p50x 0.1.0 [INFO] tweaked toml for crates.io crate p50x 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate p50x 0.1.0 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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pkg-config v0.3.17 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded serialport v3.3.0 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded safe-transmute v0.10.1 [INFO] [stderr] Downloaded cc v1.0.52 [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded serial-unit-testing v0.2.3 [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] 456c034196bb4697b09e9f36656fdbf09b41e39cc469856b00a7cdfa431e4449 [INFO] running `Command { std: "docker" "start" "-a" "456c034196bb4697b09e9f36656fdbf09b41e39cc469856b00a7cdfa431e4449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "456c034196bb4697b09e9f36656fdbf09b41e39cc469856b00a7cdfa431e4449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "456c034196bb4697b09e9f36656fdbf09b41e39cc469856b00a7cdfa431e4449", kill_on_drop: false }` [INFO] [stdout] 456c034196bb4697b09e9f36656fdbf09b41e39cc469856b00a7cdfa431e4449 [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] bdb55be06f44c864d20b8ae773005eccc8cfbc0ef3607b47a279f66694217a48 [INFO] running `Command { std: "docker" "start" "-a" "bdb55be06f44c864d20b8ae773005eccc8cfbc0ef3607b47a279f66694217a48", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking serial-unit-testing v0.2.3 [INFO] [stderr] Checking p50x v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib/error.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib/reply.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib/protocol.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib/error.rs:64:47 [INFO] [stdout] | [INFO] [stdout] 64 | Error::Serial(ref cause) => cause.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib/error.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib/reply.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/lib/protocol.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib/error.rs:64:47 [INFO] [stdout] | [INFO] [stdout] 64 | Error::Serial(ref cause) => cause.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_u32` is never used [INFO] [stdout] --> src/lib/device.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl Device { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 96 | fn send_u32(&mut self, value: u32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_u32` is never used [INFO] [stdout] --> src/lib/device.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 44 | impl Device { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 96 | fn send_u32(&mut self, value: u32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s [INFO] running `Command { std: "docker" "inspect" "bdb55be06f44c864d20b8ae773005eccc8cfbc0ef3607b47a279f66694217a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdb55be06f44c864d20b8ae773005eccc8cfbc0ef3607b47a279f66694217a48", kill_on_drop: false }` [INFO] [stdout] bdb55be06f44c864d20b8ae773005eccc8cfbc0ef3607b47a279f66694217a48