[INFO] cloning repository https://github.com/nickelc/woutan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickelc/woutan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickelc%2Fwoutan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickelc%2Fwoutan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9460811ad70df2ad7a042e5f4e335e45fd3ea034 [INFO] checking nickelc/woutan against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickelc%2Fwoutan" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickelc/woutan on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nickelc/woutan [INFO] finished tweaking git repo https://github.com/nickelc/woutan [INFO] tweaked toml for git repo https://github.com/nickelc/woutan written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nickelc/woutan 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded md-5 v0.10.0 [INFO] [stderr] Downloaded rusb v0.9.0 [INFO] [stderr] Downloaded libusb1-sys v0.6.0 [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36e871b609103a84c59069e601b3e3992985915c848c3f7d4b27e2074978a515 [INFO] running `Command { std: "docker" "start" "-a" "36e871b609103a84c59069e601b3e3992985915c848c3f7d4b27e2074978a515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36e871b609103a84c59069e601b3e3992985915c848c3f7d4b27e2074978a515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36e871b609103a84c59069e601b3e3992985915c848c3f7d4b27e2074978a515", kill_on_drop: false }` [INFO] [stdout] 36e871b609103a84c59069e601b3e3992985915c848c3f7d4b27e2074978a515 [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c15dbec1c4c1c7256dd6f89ce6cffe8f0ff5ca1477d7cd05440f2632528b13d7 [INFO] running `Command { std: "docker" "start" "-a" "c15dbec1c4c1c7256dd6f89ce6cffe8f0ff5ca1477d7cd05440f2632528b13d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling libusb1-sys v0.6.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling rusb v0.9.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking tar v0.4.38 [INFO] [stderr] Checking crypto-common v0.1.1 [INFO] [stderr] Checking block-buffer v0.10.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking digest v0.10.1 [INFO] [stderr] Checking md-5 v0.10.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking clap v3.0.7 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking tracing-subscriber v0.3.5 [INFO] [stderr] Checking wuotan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/proto/error.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | Io(IoError), [INFO] [stdout] | -- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - Io(IoError), [INFO] [stdout] 9 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/proto/error.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | Usb(UsbError), [INFO] [stdout] | --- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Usb(UsbError), [INFO] [stdout] 10 + Usb(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/proto/error.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | Io(IoError), [INFO] [stdout] | -- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - Io(IoError), [INFO] [stdout] 9 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/proto/error.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | Usb(UsbError), [INFO] [stdout] | --- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Usb(UsbError), [INFO] [stdout] 10 + Usb(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.57s [INFO] running `Command { std: "docker" "inspect" "c15dbec1c4c1c7256dd6f89ce6cffe8f0ff5ca1477d7cd05440f2632528b13d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c15dbec1c4c1c7256dd6f89ce6cffe8f0ff5ca1477d7cd05440f2632528b13d7", kill_on_drop: false }` [INFO] [stdout] c15dbec1c4c1c7256dd6f89ce6cffe8f0ff5ca1477d7cd05440f2632528b13d7