[INFO] cloning repository https://github.com/Aristogiannis/Arbitrages
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aristogiannis/Arbitrages" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAristogiannis%2FArbitrages", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAristogiannis%2FArbitrages'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b07411d1282186d022903239822d45802e37c3
[INFO] checking Aristogiannis/Arbitrages against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAristogiannis%2FArbitrages" "/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/Aristogiannis/Arbitrages on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aristogiannis/Arbitrages
[INFO] finished tweaking git repo https://github.com/Aristogiannis/Arbitrages
[INFO] tweaked toml for git repo https://github.com/Aristogiannis/Arbitrages written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Aristogiannis/Arbitrages 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/38/plotters`
[INFO] [stderr]     Updating git submodule `https://github.com/38/plotters-doc-data`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph-evcxr v0.2.0
[INFO] [stderr]   Downloaded h2 v0.3.25
[INFO] [stderr]   Downloaded syn v2.0.53
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95eb977097c7074d0706603d349e4a264ad8b6f959f73c5216aacdb8afb3fb5e
[INFO] running `Command { std: "docker" "start" "-a" "95eb977097c7074d0706603d349e4a264ad8b6f959f73c5216aacdb8afb3fb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95eb977097c7074d0706603d349e4a264ad8b6f959f73c5216aacdb8afb3fb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95eb977097c7074d0706603d349e4a264ad8b6f959f73c5216aacdb8afb3fb5e", kill_on_drop: false }`
[INFO] [stdout] 95eb977097c7074d0706603d349e4a264ad8b6f959f73c5216aacdb8afb3fb5e
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01fed8fd73813b5caff87cc25f4a4804be22f5b839465f7b33a6223ce9af209a
[INFO] running `Command { std: "docker" "start" "-a" "01fed8fd73813b5caff87cc25f4a4804be22f5b839465f7b33a6223ce9af209a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking plotters-backend v0.3.5 (https://github.com/38/plotters#af0b63ca)
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking plotters-svg v0.3.5 (https://github.com/38/plotters#af0b63ca)
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking plotters v0.3.5 (https://github.com/38/plotters#af0b63ca)
[INFO] [stderr]     Checking petgraph-evcxr v0.2.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.25
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.26
[INFO] [stderr]     Checking arbitrages v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `reqwest` is imported redundantly
[INFO] [stdout]  --> src/binance_api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reqwest;
[INFO] [stdout]   |     ^^^^^^^ the item `reqwest` 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 `Graph` is imported redundantly
[INFO] [stdout]  --> src/identify_arbitrage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use petgraph::graph::Graph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use petgraph::prelude::*;
[INFO] [stdout]   |     -------------------- the item `Graph` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `reqwest` is imported redundantly
[INFO] [stdout]  --> src/binance_api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reqwest;
[INFO] [stdout]   |     ^^^^^^^ the item `reqwest` 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 `Graph` is imported redundantly
[INFO] [stdout]  --> src/identify_arbitrage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use petgraph::graph::Graph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use petgraph::prelude::*;
[INFO] [stdout]   |     -------------------- the item `Graph` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.26s
[INFO] running `Command { std: "docker" "inspect" "01fed8fd73813b5caff87cc25f4a4804be22f5b839465f7b33a6223ce9af209a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fed8fd73813b5caff87cc25f4a4804be22f5b839465f7b33a6223ce9af209a", kill_on_drop: false }`
[INFO] [stdout] 01fed8fd73813b5caff87cc25f4a4804be22f5b839465f7b33a6223ce9af209a
[INFO] checking Aristogiannis/Arbitrages against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAristogiannis%2FArbitrages" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aristogiannis/Arbitrages on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aristogiannis/Arbitrages
[INFO] finished tweaking git repo https://github.com/Aristogiannis/Arbitrages
[INFO] tweaked toml for git repo https://github.com/Aristogiannis/Arbitrages written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Aristogiannis/Arbitrages 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7cc91988489c166d94565865ba3320e00c96c2f99e64b863a2e804b8e6445d
[INFO] running `Command { std: "docker" "start" "-a" "4a7cc91988489c166d94565865ba3320e00c96c2f99e64b863a2e804b8e6445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7cc91988489c166d94565865ba3320e00c96c2f99e64b863a2e804b8e6445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7cc91988489c166d94565865ba3320e00c96c2f99e64b863a2e804b8e6445d", kill_on_drop: false }`
[INFO] [stdout] 4a7cc91988489c166d94565865ba3320e00c96c2f99e64b863a2e804b8e6445d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f360dfedacfa39034d6e2ea8be738c98d7c34b3a7d6e6de76ee170d8cea1e10
[INFO] running `Command { std: "docker" "start" "-a" "9f360dfedacfa39034d6e2ea8be738c98d7c34b3a7d6e6de76ee170d8cea1e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking plotters-backend v0.3.5 (https://github.com/38/plotters#af0b63ca)
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking plotters-svg v0.3.5 (https://github.com/38/plotters#af0b63ca)
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking plotters v0.3.5 (https://github.com/38/plotters#af0b63ca)
[INFO] [stderr]     Checking petgraph-evcxr v0.2.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.25
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.26
[INFO] [stderr]     Checking arbitrages v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `reqwest` is imported redundantly
[INFO] [stdout]  --> src/binance_api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reqwest;
[INFO] [stdout]   |     ^^^^^^^ the item `reqwest` 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 `Graph` is imported redundantly
[INFO] [stdout]  --> src/identify_arbitrage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use petgraph::graph::Graph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use petgraph::prelude::*;
[INFO] [stdout]   |     -------------------- the item `Graph` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `reqwest` is imported redundantly
[INFO] [stdout]  --> src/binance_api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use reqwest;
[INFO] [stdout]   |     ^^^^^^^ the item `reqwest` 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 `Graph` is imported redundantly
[INFO] [stdout]  --> src/identify_arbitrage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use petgraph::graph::Graph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use petgraph::prelude::*;
[INFO] [stdout]   |     -------------------- the item `Graph` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.68s
[INFO] running `Command { std: "docker" "inspect" "9f360dfedacfa39034d6e2ea8be738c98d7c34b3a7d6e6de76ee170d8cea1e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f360dfedacfa39034d6e2ea8be738c98d7c34b3a7d6e6de76ee170d8cea1e10", kill_on_drop: false }`
[INFO] [stdout] 9f360dfedacfa39034d6e2ea8be738c98d7c34b3a7d6e6de76ee170d8cea1e10