[INFO] cloning repository https://github.com/dashed/counter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dashed/counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashed%2Fcounter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashed%2Fcounter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a228628acb5f7b11f9fa706581cd645e594cac1 [INFO] checking dashed/counter against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashed%2Fcounter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dashed/counter 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 git repo https://github.com/dashed/counter [INFO] finished tweaking git repo https://github.com/dashed/counter [INFO] tweaked toml for git repo https://github.com/dashed/counter written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dashed/counter 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] Updating git repository `https://github.com/m4rw3r/chomp` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-iter v0.1.32 [INFO] [stderr] Downloaded num-traits v0.1.32 [INFO] [stderr] Downloaded num v0.1.32 [INFO] [stderr] Downloaded time v0.1.35 [INFO] [stderr] Downloaded cfg-if v0.1.0 [INFO] [stderr] Downloaded debug-builders v0.1.0 [INFO] [stderr] Downloaded strsim v0.4.1 [INFO] [stderr] Downloaded bit-set v0.2.0 [INFO] [stderr] Downloaded bit-vec v0.4.3 [INFO] [stderr] Downloaded rand v0.3.14 [INFO] [stderr] Downloaded backtrace-sys v0.1.3 [INFO] [stderr] Downloaded winapi v0.2.6 [INFO] [stderr] Downloaded clap v2.3.0 [INFO] [stderr] Downloaded libc v0.2.10 [INFO] [stderr] Downloaded chan v0.1.18 [INFO] [stderr] Downloaded backtrace v0.1.8 [INFO] [stderr] Downloaded debugtrace v0.1.0 [INFO] [stderr] Downloaded custom_derive v0.1.5 [INFO] [stderr] Downloaded ansi_term v0.7.2 [INFO] [stderr] Downloaded bitflags v0.5.0 [INFO] [stderr] Downloaded num-integer v0.1.32 [INFO] [stderr] Downloaded unicode-width v0.1.3 [INFO] [stderr] Downloaded chrono v0.2.22 [INFO] [stderr] Downloaded timer v0.1.6 [INFO] [stderr] Downloaded chan-signal v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc98e0fd5d3566d00fd69b9a0666b67828e73d29331c2995f3d69fc74e2e6849 [INFO] running `Command { std: "docker" "start" "-a" "dc98e0fd5d3566d00fd69b9a0666b67828e73d29331c2995f3d69fc74e2e6849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc98e0fd5d3566d00fd69b9a0666b67828e73d29331c2995f3d69fc74e2e6849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc98e0fd5d3566d00fd69b9a0666b67828e73d29331c2995f3d69fc74e2e6849", kill_on_drop: false }` [INFO] [stdout] dc98e0fd5d3566d00fd69b9a0666b67828e73d29331c2995f3d69fc74e2e6849 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 25988d08a4e2d88142ce007faedf17553ee67bb6bd73927141ee113c0d7fe01c [INFO] running `Command { std: "docker" "start" "-a" "25988d08a4e2d88142ce007faedf17553ee67bb6bd73927141ee113c0d7fe01c", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking libc v0.2.10 [INFO] [stderr] Checking winapi v0.2.6 [INFO] [stderr] Checking num-traits v0.1.32 [INFO] [stderr] Compiling backtrace-sys v0.1.3 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking debug-builders v0.1.0 [INFO] [stderr] Compiling debugtrace v0.1.0 [INFO] [stderr] Checking bitflags v0.5.0 [INFO] [stderr] Checking custom_derive v0.1.5 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Checking bit-vec v0.4.3 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking rand v0.3.14 [INFO] [stderr] Checking bit-set v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.3 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking strsim v0.4.1 [INFO] [stderr] Checking vec_map v0.6.0 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking ansi_term v0.7.2 [INFO] [stderr] Checking num v0.1.32 [INFO] [stderr] Checking backtrace v0.1.8 [INFO] [stderr] Checking clap v2.3.0 [INFO] [stderr] Checking chrono v0.2.22 [INFO] [stderr] Checking chomp v0.2.5 (https://github.com/m4rw3r/chomp?rev=c1287f2e7ee1558d50a8cab95e1bf900f5a47061#c1287f2e) [INFO] [stderr] Checking chan v0.1.18 [INFO] [stderr] Checking chan-signal v0.1.5 [INFO] [stderr] Checking timer v0.1.6 [INFO] [stderr] Checking counter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `string` [INFO] [stdout] --> src/main.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | use chomp::parsers::{string, eof}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/main.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | use std::ascii::{AsciiExt}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `string` [INFO] [stdout] --> src/main.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | use chomp::parsers::{string, eof}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/main.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | use std::ascii::{AsciiExt}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsciiExt` [INFO] [stdout] --> src/main.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | use std::ascii::{AsciiExt}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `signal` [INFO] [stdout] --> src/main.rs:136:26 [INFO] [stdout] | [INFO] [stdout] 136 | signal.recv() -> signal => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | let output = Command::new("sh") [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nothing` [INFO] [stdout] --> src/main.rs:369:13 [INFO] [stdout] | [INFO] [stdout] 369 | let nothing: Vec<()> = many_till(|i| space_or_tab(i), |i| eof(i)); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: `nothing` is captured in macro and introduced a unused variable [INFO] [stdout] --> src/main.rs:363:5 [INFO] [stdout] | [INFO] [stdout] 363 | / parse!{i; [INFO] [stdout] 364 | | [INFO] [stdout] 365 | | skip_many(|i| space_or_tab(i)); [INFO] [stdout] ... | [INFO] [stdout] 371 | | ret range [INFO] [stdout] 372 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] = note: this warning originates in the macro `__parse_internal` which comes from the expansion of the macro `parse` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wait_for` [INFO] [stdout] --> src/main.rs:487:29 [INFO] [stdout] | [INFO] [stdout] 487 | &Counter::CountDown(wait_for) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wait_for` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsciiExt` [INFO] [stdout] --> src/main.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | use std::ascii::{AsciiExt}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `signal` [INFO] [stdout] --> src/main.rs:136:26 [INFO] [stdout] | [INFO] [stdout] 136 | signal.recv() -> signal => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | let output = Command::new("sh") [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nothing` [INFO] [stdout] --> src/main.rs:369:13 [INFO] [stdout] | [INFO] [stdout] 369 | let nothing: Vec<()> = many_till(|i| space_or_tab(i), |i| eof(i)); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: `nothing` is captured in macro and introduced a unused variable [INFO] [stdout] --> src/main.rs:363:5 [INFO] [stdout] | [INFO] [stdout] 363 | / parse!{i; [INFO] [stdout] 364 | | [INFO] [stdout] 365 | | skip_many(|i| space_or_tab(i)); [INFO] [stdout] ... | [INFO] [stdout] 371 | | ret range [INFO] [stdout] 372 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] = note: this warning originates in the macro `__parse_internal` which comes from the expansion of the macro `parse` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wait_for` [INFO] [stdout] --> src/main.rs:487:29 [INFO] [stdout] | [INFO] [stdout] 487 | &Counter::CountDown(wait_for) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wait_for` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "25988d08a4e2d88142ce007faedf17553ee67bb6bd73927141ee113c0d7fe01c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25988d08a4e2d88142ce007faedf17553ee67bb6bd73927141ee113c0d7fe01c", kill_on_drop: false }` [INFO] [stdout] 25988d08a4e2d88142ce007faedf17553ee67bb6bd73927141ee113c0d7fe01c