[INFO] fetching crate csv_uploader 0.1.3...
[INFO] checking csv_uploader-0.1.3 against 1.95.0 for pr-155915
[INFO] extracting crate csv_uploader 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate csv_uploader 0.1.3
[INFO] finished tweaking crates.io crate csv_uploader 0.1.3
[INFO] tweaked toml for crates.io crate csv_uploader 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate csv_uploader 0.1.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate csv_uploader 0.1.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reql-types v0.3.3
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[INFO] [stderr]   Downloaded reql v0.11.1
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44214796f648dc8f38420dae47896ccc110aca8416cd6d6e13672c2278e70b7b
[INFO] running `Command { std: "docker" "start" "-a" "44214796f648dc8f38420dae47896ccc110aca8416cd6d6e13672c2278e70b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44214796f648dc8f38420dae47896ccc110aca8416cd6d6e13672c2278e70b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44214796f648dc8f38420dae47896ccc110aca8416cd6d6e13672c2278e70b7b", kill_on_drop: false }`
[INFO] [stdout] 44214796f648dc8f38420dae47896ccc110aca8416cd6d6e13672c2278e70b7b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83db7964415f783a64467236d3b59b2a6edf2924bf2ca086fed86972463951e2
[INFO] running `Command { std: "docker" "start" "-a" "83db7964415f783a64467236d3b59b2a6edf2924bf2ca086fed86972463951e2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.5.0
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[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.26
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[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]     Checking serde v1.0.147
[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]    Compiling ql2 v2.1.1
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking reql-types v0.3.3
[INFO] [stderr]     Checking reql v0.11.1
[INFO] [stderr]     Checking csv_uploader v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]   --> src/main.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn print_json(json: Value) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (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:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             if let Some(Ok(mut o)) = iter.next() {
[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: `json`
[INFO] [stdout]   --> src/main.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn print_json(json: Value) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (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:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             if let Some(Ok(mut o)) = iter.next() {
[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 38.56s
[INFO] running `Command { std: "docker" "inspect" "83db7964415f783a64467236d3b59b2a6edf2924bf2ca086fed86972463951e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83db7964415f783a64467236d3b59b2a6edf2924bf2ca086fed86972463951e2", kill_on_drop: false }`
[INFO] [stdout] 83db7964415f783a64467236d3b59b2a6edf2924bf2ca086fed86972463951e2
