[INFO] cloning repository https://github.com/daniel-samson/one-billion-records-challenge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-samson/one-billion-records-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-samson%2Fone-billion-records-challenge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-samson%2Fone-billion-records-challenge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a3abc9dbdf33f77b2b54d7363e98ff38e0c96b6 [INFO] checking daniel-samson/one-billion-records-challenge against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-samson%2Fone-billion-records-challenge" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/daniel-samson/one-billion-records-challenge [INFO] finished tweaking git repo https://github.com/daniel-samson/one-billion-records-challenge [INFO] tweaked toml for git repo https://github.com/daniel-samson/one-billion-records-challenge written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/daniel-samson/one-billion-records-challenge on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/daniel-samson/one-billion-records-challenge 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5b65f7c2d8d1b16ba248ef2ee1c9a764393463ea6cec43f80bf33619c29d3b5 [INFO] running `Command { std: "docker" "start" "-a" "e5b65f7c2d8d1b16ba248ef2ee1c9a764393463ea6cec43f80bf33619c29d3b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5b65f7c2d8d1b16ba248ef2ee1c9a764393463ea6cec43f80bf33619c29d3b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b65f7c2d8d1b16ba248ef2ee1c9a764393463ea6cec43f80bf33619c29d3b5", kill_on_drop: false }` [INFO] [stdout] e5b65f7c2d8d1b16ba248ef2ee1c9a764393463ea6cec43f80bf33619c29d3b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b908b2e3aaf201f0f8ef51344cc946829386264dc23a6ffeefb9e9b4cfd41bce [INFO] running `Command { std: "docker" "start" "-a" "b908b2e3aaf201f0f8ef51344cc946829386264dc23a6ffeefb9e9b4cfd41bce", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking rustc-hash v2.1.1 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking memmap2 v0.9.7 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking obr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:355:13 [INFO] [stdout] | [INFO] [stdout] 355 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:387:13 [INFO] [stdout] | [INFO] [stdout] 387 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:400:13 [INFO] [stdout] | [INFO] [stdout] 400 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:417:13 [INFO] [stdout] | [INFO] [stdout] 417 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:434:13 [INFO] [stdout] | [INFO] [stdout] 434 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/weather.rs:451:13 [INFO] [stdout] | [INFO] [stdout] 451 | let mut reader = WeatherCsvReader::from_reader(cursor); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.13s [INFO] running `Command { std: "docker" "inspect" "b908b2e3aaf201f0f8ef51344cc946829386264dc23a6ffeefb9e9b4cfd41bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b908b2e3aaf201f0f8ef51344cc946829386264dc23a6ffeefb9e9b4cfd41bce", kill_on_drop: false }` [INFO] [stdout] b908b2e3aaf201f0f8ef51344cc946829386264dc23a6ffeefb9e9b4cfd41bce