[INFO] cloning repository https://github.com/sflanaga/postdu2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sflanaga/postdu2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsflanaga%2Fpostdu2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsflanaga%2Fpostdu2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c33861c6c4285eb5f256f2b1811e3c1fa55c5d5e [INFO] checking sflanaga/postdu2 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsflanaga%2Fpostdu2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sflanaga/postdu2 [INFO] finished tweaking git repo https://github.com/sflanaga/postdu2 [INFO] tweaked toml for git repo https://github.com/sflanaga/postdu2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sflanaga/postdu2 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sflanaga/postdu2 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.structopt.feature [INFO] [stderr] warning: version requirement `0.10.0+zstd.1.5.22` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] warning: unused manifest key: profile.release.trustflags [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 475ee1af9ccd846fb61a67a70089400b1003dd5900d2e381d13588b065c49618 [INFO] running `Command { std: "docker" "start" "-a" "475ee1af9ccd846fb61a67a70089400b1003dd5900d2e381d13588b065c49618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "475ee1af9ccd846fb61a67a70089400b1003dd5900d2e381d13588b065c49618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "475ee1af9ccd846fb61a67a70089400b1003dd5900d2e381d13588b065c49618", kill_on_drop: false }` [INFO] [stdout] 475ee1af9ccd846fb61a67a70089400b1003dd5900d2e381d13588b065c49618 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 249fe7ac33cd7d146ca3798e649d7625f1afb9592234636c2640e489ec66fa23 [INFO] running `Command { std: "docker" "start" "-a" "249fe7ac33cd7d146ca3798e649d7625f1afb9592234636c2640e489ec66fa23", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.structopt.feature [INFO] [stderr] warning: version requirement `0.10.0+zstd.1.5.22` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion [INFO] [stderr] warning: unused manifest key: profile.release.trustflags [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling zstd-safe v4.1.4+zstd.1.5.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling jobserver v0.1.22 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling zstd-sys v1.6.3+zstd.1.5.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking zstd v0.10.0+zstd.1.5.2 [INFO] [stderr] Checking postdu2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:154:40 [INFO] [stdout] | [INFO] [stdout] 154 | (0..cfg.num_rec_threads).for_each(|i|send_sr.send(None).expect("send_sr - for shutdown")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | for i in 0..cfg.num_rec_threads { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `field_count` is assigned to, but never used [INFO] [stdout] --> src/main.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | let mut field_count = 0 ; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_field_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `field_count` is never read [INFO] [stdout] --> src/main.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | field_count += sr.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | let mut rdr: Box = match &ext[..] { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:154:40 [INFO] [stdout] | [INFO] [stdout] 154 | (0..cfg.num_rec_threads).for_each(|i|send_sr.send(None).expect("send_sr - for shutdown")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | for i in 0..cfg.num_rec_threads { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `field_count` is assigned to, but never used [INFO] [stdout] --> src/main.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | let mut field_count = 0 ; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_field_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `field_count` is never read [INFO] [stdout] --> src/main.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | field_count += sr.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | let mut rdr: Box = match &ext[..] { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.98s [INFO] running `Command { std: "docker" "inspect" "249fe7ac33cd7d146ca3798e649d7625f1afb9592234636c2640e489ec66fa23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "249fe7ac33cd7d146ca3798e649d7625f1afb9592234636c2640e489ec66fa23", kill_on_drop: false }` [INFO] [stdout] 249fe7ac33cd7d146ca3798e649d7625f1afb9592234636c2640e489ec66fa23