[INFO] fetching crate serial-io 0.3.0... [INFO] checking serial-io-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate serial-io 0.3.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate serial-io 0.3.0 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 serial-io 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate serial-io 0.3.0 [INFO] tweaked toml for crates.io crate serial-io 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate serial-io 0.3.0 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] Downloading crates ... [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded serialport v4.0.1 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded nix v0.21.0 [INFO] [stderr] Downloaded libc v0.2.96 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a97dcd21e1877fa718065201c873b0ea8a79734ebc68fcd396d7de0adbf23c9f [INFO] running `Command { std: "docker" "start" "-a" "a97dcd21e1877fa718065201c873b0ea8a79734ebc68fcd396d7de0adbf23c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a97dcd21e1877fa718065201c873b0ea8a79734ebc68fcd396d7de0adbf23c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a97dcd21e1877fa718065201c873b0ea8a79734ebc68fcd396d7de0adbf23c9f", kill_on_drop: false }` [INFO] [stdout] a97dcd21e1877fa718065201c873b0ea8a79734ebc68fcd396d7de0adbf23c9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 154cb38611c2eed8587d591bc21c25a542d4535408c32f16fd48bc3939a93837 [INFO] running `Command { std: "docker" "start" "-a" "154cb38611c2eed8587d591bc21c25a542d4535408c32f16fd48bc3939a93837", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling tokio v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking nix v0.21.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking serial-io v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/unix.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | use nix::{self, libc}; [INFO] [stdout] | ^^^^ the item `nix` 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] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/unix.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | use nix::{self, libc}; [INFO] [stdout] | ^^^^ the item `nix` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.00s [INFO] running `Command { std: "docker" "inspect" "154cb38611c2eed8587d591bc21c25a542d4535408c32f16fd48bc3939a93837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "154cb38611c2eed8587d591bc21c25a542d4535408c32f16fd48bc3939a93837", kill_on_drop: false }` [INFO] [stdout] 154cb38611c2eed8587d591bc21c25a542d4535408c32f16fd48bc3939a93837 [INFO] checking serial-io-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate serial-io 0.3.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate serial-io 0.3.0 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] started tweaking crates.io crate serial-io 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate serial-io 0.3.0 [INFO] tweaked toml for crates.io crate serial-io 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate serial-io 0.3.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a046710fc9f657d68eaeb425a48324ffacaa04b0d61395eacc174e761c70af59 [INFO] running `Command { std: "docker" "start" "-a" "a046710fc9f657d68eaeb425a48324ffacaa04b0d61395eacc174e761c70af59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a046710fc9f657d68eaeb425a48324ffacaa04b0d61395eacc174e761c70af59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a046710fc9f657d68eaeb425a48324ffacaa04b0d61395eacc174e761c70af59", kill_on_drop: false }` [INFO] [stdout] a046710fc9f657d68eaeb425a48324ffacaa04b0d61395eacc174e761c70af59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b8555a47b843733c031d3f46b5c2798247fcd1bed329d90b28a6b80439807d99 [INFO] running `Command { std: "docker" "start" "-a" "b8555a47b843733c031d3f46b5c2798247fcd1bed329d90b28a6b80439807d99", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling tokio v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking nix v0.21.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking serial-io v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/unix.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | use nix::{self, libc}; [INFO] [stdout] | ^^^^ the item `nix` 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] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/unix.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | use nix::{self, libc}; [INFO] [stdout] | ^^^^ the item `nix` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.85s [INFO] running `Command { std: "docker" "inspect" "b8555a47b843733c031d3f46b5c2798247fcd1bed329d90b28a6b80439807d99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8555a47b843733c031d3f46b5c2798247fcd1bed329d90b28a6b80439807d99", kill_on_drop: false }` [INFO] [stdout] b8555a47b843733c031d3f46b5c2798247fcd1bed329d90b28a6b80439807d99