[INFO] cloning repository https://github.com/KevinAiken/rust-time-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KevinAiken/rust-time-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinAiken%2Frust-time-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinAiken%2Frust-time-tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbf4b4eb5537f71406575f9448786e91ef09c127
[INFO] checking KevinAiken/rust-time-tracker against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinAiken%2Frust-time-tracker" "/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/KevinAiken/rust-time-tracker on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KevinAiken/rust-time-tracker
[INFO] finished tweaking git repo https://github.com/KevinAiken/rust-time-tracker
[INFO] tweaked toml for git repo https://github.com/KevinAiken/rust-time-tracker written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/KevinAiken/rust-time-tracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98d61b74a9c22758fea46d85633c3d1ebbf84c236d43d61a9d9ec42a9f72cc97
[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" "98d61b74a9c22758fea46d85633c3d1ebbf84c236d43d61a9d9ec42a9f72cc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d61b74a9c22758fea46d85633c3d1ebbf84c236d43d61a9d9ec42a9f72cc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d61b74a9c22758fea46d85633c3d1ebbf84c236d43d61a9d9ec42a9f72cc97", kill_on_drop: false }`
[INFO] [stdout] 98d61b74a9c22758fea46d85633c3d1ebbf84c236d43d61a9d9ec42a9f72cc97
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fb879b9cd73e5d5320964f473b6af2fd3afbff5e354b8c2b04e807de319a1c
[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" "a6fb879b9cd73e5d5320964f473b6af2fd3afbff5e354b8c2b04e807de319a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.14.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rusqlite v0.18.0
[INFO] [stderr]     Checking rust-time-tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/lib.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let entry = TimesheetEntry::new(&args).unwrap_or_else(|err| {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[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 [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "a6fb879b9cd73e5d5320964f473b6af2fd3afbff5e354b8c2b04e807de319a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fb879b9cd73e5d5320964f473b6af2fd3afbff5e354b8c2b04e807de319a1c", kill_on_drop: false }`
[INFO] [stdout] a6fb879b9cd73e5d5320964f473b6af2fd3afbff5e354b8c2b04e807de319a1c