[INFO] cloning repository https://github.com/ptondereau/payment-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptondereau/payment-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptondereau%2Fpayment-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptondereau%2Fpayment-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6426957adf4ed3439dccfe4159ac04196935b9da
[INFO] checking ptondereau/payment-engine against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptondereau%2Fpayment-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/ptondereau/payment-engine on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ptondereau/payment-engine
[INFO] finished tweaking git repo https://github.com/ptondereau/payment-engine
[INFO] tweaked toml for git repo https://github.com/ptondereau/payment-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ptondereau/payment-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.140
[INFO] [stderr]   Downloaded rust_decimal_macros v1.25.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.41
[INFO] [stderr]   Downloaded serde_derive v1.0.140
[INFO] [stderr]   Downloaded unicode-ident v1.0.2
[INFO] [stderr]   Downloaded csv-async v1.2.4
[INFO] [stderr]   Downloaded rust_decimal v1.25.0
[INFO] [stderr]   Downloaded bytes v1.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afd02a23e7fec2919e797c6f46d1d7131876f1248167478ab4bfa7b508b93a19
[INFO] running `Command { std: "docker" "start" "-a" "afd02a23e7fec2919e797c6f46d1d7131876f1248167478ab4bfa7b508b93a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afd02a23e7fec2919e797c6f46d1d7131876f1248167478ab4bfa7b508b93a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd02a23e7fec2919e797c6f46d1d7131876f1248167478ab4bfa7b508b93a19", kill_on_drop: false }`
[INFO] [stdout] afd02a23e7fec2919e797c6f46d1d7131876f1248167478ab4bfa7b508b93a19
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ffc917890e1f0bf9f467b445fb2eef23f2979e7cd192fb3f6989f3f3a3d3222
[INFO] running `Command { std: "docker" "start" "-a" "0ffc917890e1f0bf9f467b445fb2eef23f2979e7cd192fb3f6989f3f3a3d3222", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.41
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling rust_decimal v1.25.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling rust_decimal_macros v1.25.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv-async v1.2.4
[INFO] [stderr]     Checking payment-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/engine.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 133 |     use crate::errors::Result;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "0ffc917890e1f0bf9f467b445fb2eef23f2979e7cd192fb3f6989f3f3a3d3222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffc917890e1f0bf9f467b445fb2eef23f2979e7cd192fb3f6989f3f3a3d3222", kill_on_drop: false }`
[INFO] [stdout] 0ffc917890e1f0bf9f467b445fb2eef23f2979e7cd192fb3f6989f3f3a3d3222