[INFO] cloning repository https://github.com/prabusankars/fwt-lancinate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prabusankars/fwt-lancinate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprabusankars%2Ffwt-lancinate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprabusankars%2Ffwt-lancinate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58994fd2d81e40375948e0ad0711162fb7207ece
[INFO] checking prabusankars/fwt-lancinate against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprabusankars%2Ffwt-lancinate" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/prabusankars/fwt-lancinate
[INFO] finished tweaking git repo https://github.com/prabusankars/fwt-lancinate
[INFO] tweaked toml for git repo https://github.com/prabusankars/fwt-lancinate written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prabusankars/fwt-lancinate on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/prabusankars/fwt-lancinate 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" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v4.2.1
[INFO] [stderr]   Downloaded serde_yaml v0.9.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3127595f4dd85b32d7a9eedce227887d766b0d144e426386aa41aec735eceee
[INFO] running `Command { std: "docker" "start" "-a" "d3127595f4dd85b32d7a9eedce227887d766b0d144e426386aa41aec735eceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3127595f4dd85b32d7a9eedce227887d766b0d144e426386aa41aec735eceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3127595f4dd85b32d7a9eedce227887d766b0d144e426386aa41aec735eceee", kill_on_drop: false }`
[INFO] [stdout] d3127595f4dd85b32d7a9eedce227887d766b0d144e426386aa41aec735eceee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d82f33ac6c5a0d521daec49860fa76a28afe32802e0c0e7728a85f17b53c059e
[INFO] running `Command { std: "docker" "start" "-a" "d82f33ac6c5a0d521daec49860fa76a28afe32802e0c0e7728a85f17b53c059e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.193
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]     Checking serde_yaml v0.9.29
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[INFO] [stdout] warning: unused import: `os::unix::fs::MetadataExt`
[INFO] [stdout]  --> src/main.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, os::unix::fs::MetadataExt, path::Path, time::Duration};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::unix::fs::MetadataExt`
[INFO] [stdout]  --> src/main.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, os::unix::fs::MetadataExt, path::Path, time::Duration};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sno` and `file_name` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 23 |     sno : u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     file_name:String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATE_FORMAT_STR` is never used
[INFO] [stdout]   --> src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const DATE_FORMAT_STR: &'static str = "[%Y-%m-%d][%H:%M:%S]";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sno` and `file_name` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 23 |     sno : u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     file_name:String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATE_FORMAT_STR` is never used
[INFO] [stdout]   --> src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const DATE_FORMAT_STR: &'static str = "[%Y-%m-%d][%H:%M:%S]";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.07s
[INFO] running `Command { std: "docker" "inspect" "d82f33ac6c5a0d521daec49860fa76a28afe32802e0c0e7728a85f17b53c059e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82f33ac6c5a0d521daec49860fa76a28afe32802e0c0e7728a85f17b53c059e", kill_on_drop: false }`
[INFO] [stdout] d82f33ac6c5a0d521daec49860fa76a28afe32802e0c0e7728a85f17b53c059e