[INFO] cloning repository https://github.com/nicklaswj/toy-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/nicklaswj/toy-payment-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicklaswj%2Ftoy-payment-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicklaswj%2Ftoy-payment-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89af5d66a789ce19ad931d7d848e5d21e6dec482
[INFO] testing nicklaswj/toy-payment-engine against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicklaswj%2Ftoy-payment-engine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicklaswj/toy-payment-engine on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicklaswj/toy-payment-engine
[INFO] finished tweaking git repo https://github.com/nicklaswj/toy-payment-engine
[INFO] tweaked toml for git repo https://github.com/nicklaswj/toy-payment-engine written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nicklaswj/toy-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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_decimal_macros v1.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a47270826707b32f3d88a9e7555ffe693125a9086e4e0eab82d9a0bd7f04039
[INFO] running `Command { std: "docker" "start" "-a" "8a47270826707b32f3d88a9e7555ffe693125a9086e4e0eab82d9a0bd7f04039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a47270826707b32f3d88a9e7555ffe693125a9086e4e0eab82d9a0bd7f04039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a47270826707b32f3d88a9e7555ffe693125a9086e4e0eab82d9a0bd7f04039", kill_on_drop: false }`
[INFO] [stdout] 8a47270826707b32f3d88a9e7555ffe693125a9086e4e0eab82d9a0bd7f04039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9de271f9d570e53ea417ad34e253ff6c096ce103d90dd5ed7a3de7cdd0337c8c
[INFO] running `Command { std: "docker" "start" "-a" "9de271f9d570e53ea417ad34e253ff6c096ce103d90dd5ed7a3de7cdd0337c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.142
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling rust_decimal v1.26.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rust_decimal_macros v1.26.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling toy-payment-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/account.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut account = self.accounts.entry(transaction.client_id()).or_default();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.73s
[INFO] running `Command { std: "docker" "inspect" "9de271f9d570e53ea417ad34e253ff6c096ce103d90dd5ed7a3de7cdd0337c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de271f9d570e53ea417ad34e253ff6c096ce103d90dd5ed7a3de7cdd0337c8c", kill_on_drop: false }`
[INFO] [stdout] 9de271f9d570e53ea417ad34e253ff6c096ce103d90dd5ed7a3de7cdd0337c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1ad18a9a8317bda979d9bf0a1d04cb9103fb5ce55c6bdcdc39e82ad38b8a484
[INFO] running `Command { std: "docker" "start" "-a" "f1ad18a9a8317bda979d9bf0a1d04cb9103fb5ce55c6bdcdc39e82ad38b8a484", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-payment-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/account.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut account = self.accounts.entry(transaction.client_id()).or_default();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "f1ad18a9a8317bda979d9bf0a1d04cb9103fb5ce55c6bdcdc39e82ad38b8a484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ad18a9a8317bda979d9bf0a1d04cb9103fb5ce55c6bdcdc39e82ad38b8a484", kill_on_drop: false }`
[INFO] [stdout] f1ad18a9a8317bda979d9bf0a1d04cb9103fb5ce55c6bdcdc39e82ad38b8a484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04f0d2e844fce675390404ef2feb37598845584444c0332af816f5b5d02f5015
[INFO] running `Command { std: "docker" "start" "-a" "04f0d2e844fce675390404ef2feb37598845584444c0332af816f5b5d02f5015", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/account.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut account = self.accounts.entry(transaction.client_id()).or_default();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `toy-payment-engine` (bin "toy-payment-engine" test) generated 1 warning (run `cargo fix --bin "toy-payment-engine" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toy_payment_engine-5307ea3f5c9dfb90)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test account::test::dispute_client_transaction_id_mismatch_test ... ok
[INFO] [stdout] test account::test::overdraw_test ... ok
[INFO] [stdout] test account::test::dispute_to_resolve_test ... ok
[INFO] [stdout] test account::test::dispute_withdrawal_no_effect_test ... ok
[INFO] [stdout] test account::test::simple_withdrawal_test ... ok
[INFO] [stdout] test account::test::simple_deposit_and_withdrawal_test ... ok
[INFO] [stdout] test account::test::dispute_to_chargeback_test ... ok
[INFO] [stdout] test transaction::test::errornous_header_test ... ok
[INFO] [stdout] test transaction::test::low_precision_test ... ok
[INFO] [stdout] test transaction::test::successfully_serialize_test ... ok
[INFO] [stdout] test transaction::test::too_high_precision_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04f0d2e844fce675390404ef2feb37598845584444c0332af816f5b5d02f5015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f0d2e844fce675390404ef2feb37598845584444c0332af816f5b5d02f5015", kill_on_drop: false }`
[INFO] [stdout] 04f0d2e844fce675390404ef2feb37598845584444c0332af816f5b5d02f5015