[INFO] cloning repository https://github.com/phillyfan1138/credit_faas_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phillyfan1138/credit_faas_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyfan1138%2Fcredit_faas_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyfan1138%2Fcredit_faas_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7508859cb99984605b58df039583a717597d94cb
[INFO] checking phillyfan1138/credit_faas_demo against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyfan1138%2Fcredit_faas_demo" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phillyfan1138/credit_faas_demo on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phillyfan1138/credit_faas_demo
[INFO] finished tweaking git repo https://github.com/phillyfan1138/credit_faas_demo
[INFO] tweaked toml for git repo https://github.com/phillyfan1138/credit_faas_demo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/phillyfan1138/credit_faas_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cf_dist_utils v0.8.0
[INFO] [stderr]   Downloaded probability v0.15.12
[INFO] [stderr]   Downloaded special v0.8.0
[INFO] [stderr]   Downloaded roots v0.0.5
[INFO] [stderr]   Downloaded approx v0.2.1
[INFO] [stderr]   Downloaded loan_ec v0.1.4
[INFO] [stderr]   Downloaded cf_functions v0.10.0
[INFO] [stderr]   Downloaded num-bigint v0.2.1
[INFO] [stderr]   Downloaded fang_oost v0.13.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f49da6a104394898b81796f479b18c880b39dfb2331d34db381b5afc71245c
[INFO] running `Command { std: "docker" "start" "-a" "38f49da6a104394898b81796f479b18c880b39dfb2331d34db381b5afc71245c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f49da6a104394898b81796f479b18c880b39dfb2331d34db381b5afc71245c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f49da6a104394898b81796f479b18c880b39dfb2331d34db381b5afc71245c", kill_on_drop: false }`
[INFO] [stdout] 38f49da6a104394898b81796f479b18c880b39dfb2331d34db381b5afc71245c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4454426844598488f01e5dc96375ddab1d7915811c2b958a19332045ed006c6
[INFO] running `Command { std: "docker" "start" "-a" "c4454426844598488f01e5dc96375ddab1d7915811c2b958a19332045ed006c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking roots v0.0.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking special v0.7.8
[INFO] [stderr]     Checking special v0.8.0
[INFO] [stderr]     Checking approx v0.2.1
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking probability v0.15.12
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking cf_functions v0.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking fang_oost v0.13.7
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]     Checking cf_dist_utils v0.8.0
[INFO] [stderr]     Checking loan_ec v0.1.4
[INFO] [stderr]     Checking credit_faas_demo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_x`
[INFO] [stdout]   --> src/bin/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     num_x: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_x`
[INFO] [stdout]   --> src/bin/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     num_x: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "c4454426844598488f01e5dc96375ddab1d7915811c2b958a19332045ed006c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4454426844598488f01e5dc96375ddab1d7915811c2b958a19332045ed006c6", kill_on_drop: false }`
[INFO] [stdout] c4454426844598488f01e5dc96375ddab1d7915811c2b958a19332045ed006c6