[INFO] cloning repository https://github.com/MellowYarker/RustX
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MellowYarker/RustX" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36ff2b87c74734c7952cde720c90be9771ee1957
[INFO] checking MellowYarker/RustX against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MellowYarker/RustX on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MellowYarker/RustX
[INFO] finished tweaking git repo https://github.com/MellowYarker/RustX
[INFO] tweaked toml for git repo https://github.com/MellowYarker/RustX written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MellowYarker/RustX already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86e7522b5b222a2a650693c03be5044206d6e57164f5debee791199e336d21f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86e7522b5b222a2a650693c03be5044206d6e57164f5debee791199e336d21f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e7522b5b222a2a650693c03be5044206d6e57164f5debee791199e336d21f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e7522b5b222a2a650693c03be5044206d6e57164f5debee791199e336d21f0", kill_on_drop: false }`
[INFO] [stdout] 86e7522b5b222a2a650693c03be5044206d6e57164f5debee791199e336d21f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec85c54bb687ad6a982a02af2f6bb0a08aa594a5e7865a1c206ea55ca6c8de4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aec85c54bb687ad6a982a02af2f6bb0a08aa594a5e7865a1c206ea55ca6c8de4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking colour v0.6.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking postgres-protocol v0.6.1
[INFO] [stderr]     Checking postgres-types v0.2.1
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.5
[INFO] [stderr]     Checking random-number v0.1.6
[INFO] [stderr]     Checking redis v0.20.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-postgres v0.7.2
[INFO] [stderr]     Checking postgres v0.19.1
[INFO] [stderr]     Checking exchange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `new_price` is never read
[INFO] [stdout]    --> src/exchange.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut new_price = None; // new price if trade occurs
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_price` is never read
[INFO] [stdout]    --> src/exchange.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut new_price = None; // new price if trade occurs
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:262:37
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   &exchange.show_market(&order.symbol);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:381:29
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   &acc.print_user();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:262:37
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   &exchange.show_market(&order.symbol);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:381:29
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   &acc.print_user();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.15s
[INFO] running `Command { std: "docker" "inspect" "aec85c54bb687ad6a982a02af2f6bb0a08aa594a5e7865a1c206ea55ca6c8de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec85c54bb687ad6a982a02af2f6bb0a08aa594a5e7865a1c206ea55ca6c8de4", kill_on_drop: false }`
[INFO] [stdout] aec85c54bb687ad6a982a02af2f6bb0a08aa594a5e7865a1c206ea55ca6c8de4