[INFO] cloning repository https://github.com/jbgriesner/payments-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbgriesner/payments-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbgriesner%2Fpayments-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbgriesner%2Fpayments-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c94de232d0d6863dc28d0b6aef14a105555adddb
[INFO] checking jbgriesner/payments-engine against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbgriesner%2Fpayments-engine" "/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/jbgriesner/payments-engine on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbgriesner/payments-engine
[INFO] finished tweaking git repo https://github.com/jbgriesner/payments-engine
[INFO] tweaked toml for git repo https://github.com/jbgriesner/payments-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jbgriesner/payments-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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6966b40557dc5bca9a4aa633fde276129d83eb7114e9beb0822e74a07c68e03
[INFO] running `Command { std: "docker" "start" "-a" "d6966b40557dc5bca9a4aa633fde276129d83eb7114e9beb0822e74a07c68e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6966b40557dc5bca9a4aa633fde276129d83eb7114e9beb0822e74a07c68e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6966b40557dc5bca9a4aa633fde276129d83eb7114e9beb0822e74a07c68e03", kill_on_drop: false }`
[INFO] [stdout] d6966b40557dc5bca9a4aa633fde276129d83eb7114e9beb0822e74a07c68e03
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4acce7ef28886263308cf5cd7a2116acc514096a7fc8fa6948b01bd5a4a6b52d
[INFO] running `Command { std: "docker" "start" "-a" "4acce7ef28886263308cf5cd7a2116acc514096a7fc8fa6948b01bd5a4a6b52d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking payments-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/processor.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |       /// Given that the parsing could fail, I use the 'try_fold' method to handle a csv parsing error
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 | /     rdr.deserialize().try_fold(
[INFO] [stdout] 15 | |         BTreeMap::new(),
[INFO] [stdout] 16 | |         |mut hm, record: Result<Transaction, csv::Error>| {
[INFO] [stdout] 17 | |             if let Ok(trans) = record {
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         },
[INFO] [stdout] 37 | |     )
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/processor.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |       /// Given that the parsing could fail, I use the 'try_fold' method to handle a csv parsing error
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 | /     rdr.deserialize().try_fold(
[INFO] [stdout] 15 | |         BTreeMap::new(),
[INFO] [stdout] 16 | |         |mut hm, record: Result<Transaction, csv::Error>| {
[INFO] [stdout] 17 | |             if let Ok(trans) = record {
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         },
[INFO] [stdout] 37 | |     )
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "4acce7ef28886263308cf5cd7a2116acc514096a7fc8fa6948b01bd5a4a6b52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4acce7ef28886263308cf5cd7a2116acc514096a7fc8fa6948b01bd5a4a6b52d", kill_on_drop: false }`
[INFO] [stdout] 4acce7ef28886263308cf5cd7a2116acc514096a7fc8fa6948b01bd5a4a6b52d