[INFO] cloning repository https://github.com/kanekoshoyu/kucoin_arbitrage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanekoshoyu/kucoin_arbitrage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanekoshoyu%2Fkucoin_arbitrage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanekoshoyu%2Fkucoin_arbitrage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68cf65a73ac7ce378afc83038448f9912b7976a
[INFO] checking kanekoshoyu/kucoin_arbitrage against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanekoshoyu%2Fkucoin_arbitrage" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanekoshoyu/kucoin_arbitrage 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kanekoshoyu/kucoin_arbitrage
[INFO] finished tweaking git repo https://github.com/kanekoshoyu/kucoin_arbitrage
[INFO] tweaked toml for git repo https://github.com/kanekoshoyu/kucoin_arbitrage written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kanekoshoyu/kucoin_arbitrage 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 streamunordered v0.5.3
[INFO] [stderr]   Downloaded kucoin_api v1.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c6fc67314cead54c6764d2b8f58bff9a4726a0161bff3b74dd944c16b65ee556
[INFO] running `Command { std: "docker" "start" "-a" "c6fc67314cead54c6764d2b8f58bff9a4726a0161bff3b74dd944c16b65ee556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6fc67314cead54c6764d2b8f58bff9a4726a0161bff3b74dd944c16b65ee556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fc67314cead54c6764d2b8f58bff9a4726a0161bff3b74dd944c16b65ee556", kill_on_drop: false }`
[INFO] [stdout] c6fc67314cead54c6764d2b8f58bff9a4726a0161bff3b74dd944c16b65ee556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b4c65f58926162bf8a2f3b4aff74921ac3c412e6868709895b2bcce5c60b69cc
[INFO] running `Command { std: "docker" "start" "-a" "b4c65f58926162bf8a2f3b4aff74921ac3c412e6868709895b2bcce5c60b69cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling vcpkg v0.2.15
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[INFO] [stderr]    Compiling serde v1.0.190
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[INFO] [stderr]     Checking tinyvec_macros v0.1.1
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[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-normalization v0.1.22
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[INFO] [stderr]    Compiling parking_lot_core v0.6.3
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking utf-8 v0.7.6
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[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking rustc-demangle v0.1.23
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[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking sct v0.7.1
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[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling uuid-macro-internal v1.5.0
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking hmac v0.7.1
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[INFO] [stderr]     Checking mio-uds v0.6.8
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[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking toml v0.8.6
[INFO] [stderr]     Checking uuid v1.5.0
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking streamunordered v0.5.3
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking kucoin_api v1.4.11
[INFO] [stderr]     Checking kucoin_arbitrage v0.0.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `Command { std: "docker" "inspect" "b4c65f58926162bf8a2f3b4aff74921ac3c412e6868709895b2bcce5c60b69cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c65f58926162bf8a2f3b4aff74921ac3c412e6868709895b2bcce5c60b69cc", kill_on_drop: false }`
[INFO] [stdout] b4c65f58926162bf8a2f3b4aff74921ac3c412e6868709895b2bcce5c60b69cc