[INFO] cloning repository https://github.com/moparisthebest/csv-transaction-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moparisthebest/csv-transaction-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoparisthebest%2Fcsv-transaction-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoparisthebest%2Fcsv-transaction-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da8966b0e028674cb13fc1e225a9b07cedccd1cb
[INFO] checking moparisthebest/csv-transaction-engine against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoparisthebest%2Fcsv-transaction-engine" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/moparisthebest/csv-transaction-engine
[INFO] finished tweaking git repo https://github.com/moparisthebest/csv-transaction-engine
[INFO] tweaked toml for git repo https://github.com/moparisthebest/csv-transaction-engine written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/moparisthebest/csv-transaction-engine on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/moparisthebest/csv-transaction-engine 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `csv_transaction_engine` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc2/source/target/.../csv_transaction_engine
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `csv-transaction-engine`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 - name = "csv_transaction_engine"
[INFO] [stderr] 12 + name = "csv-transaction-engine"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `csv-transaction-engine`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 ~ version = "0.1.0"
[INFO] [stderr] 14 + [[bin]]
[INFO] [stderr] 15 + name = "csv-transaction-engine"
[INFO] [stderr] 16 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `csv_transaction_engine` (manifest) generated 1 warning
[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 serde_derive v1.0.130
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded rust_decimal v1.16.0
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4
[INFO] running `Command { std: "docker" "start" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `csv_transaction_engine` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../csv_transaction_engine
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `csv-transaction-engine`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 - name = "csv_transaction_engine"
[INFO] [stderr] 12 + name = "csv-transaction-engine"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `csv-transaction-engine`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 ~ version = "0.1.0"
[INFO] [stderr] 14 + [[bin]]
[INFO] [stderr] 15 + name = "csv-transaction-engine"
[INFO] [stderr] 16 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `csv_transaction_engine` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking rust_decimal v1.16.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking csv_transaction_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction_engine.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...   let mut client = self.clients.get_mut(&orig_tx.client).unwrap(); // this unwrap is safe because we never insert a transaction ...
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction_engine.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...   let mut client = self.clients.get_mut(&orig_tx.client).unwrap(); // this unwrap is safe because we never insert a transaction ...
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/transaction_reader.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn valid_records(&mut self) -> ValidRecordsIter<R> {
[INFO] [stdout]    |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn valid_records(&mut self) -> ValidRecordsIter<'_, R> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/transaction_reader.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn valid_records(&mut self) -> ValidRecordsIter<R> {
[INFO] [stdout]    |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn valid_records(&mut self) -> ValidRecordsIter<'_, R> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4", kill_on_drop: false }`
[INFO] [stdout] 9c7e3c2ccce1361aa678913117aa47b006a5579f7241474471b0c7b3e32e81e4
