[INFO] cloning repository https://github.com/codesections/dlarm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codesections/dlarm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodesections%2Fdlarm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodesections%2Fdlarm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3d3ea8dd067c3184d307972133c69012ff55de8
[INFO] checking codesections/dlarm against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodesections%2Fdlarm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codesections/dlarm 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/codesections/dlarm
[INFO] finished tweaking git repo https://github.com/codesections/dlarm
[INFO] tweaked toml for git repo https://github.com/codesections/dlarm written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/codesections/dlarm 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded cc v1.0.28
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded serde_json v1.0.35
[INFO] [stderr]   Downloaded syn v0.15.24
[INFO] [stderr]   Downloaded rand v0.4.5
[INFO] [stderr]   Downloaded predicates v1.0.0
[INFO] [stderr]   Downloaded man v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3df671cde5448e2ae9a9a2a1bb4bc01413afc51059a369038267b14a0f8fc615
[INFO] running `Command { std: "docker" "start" "-a" "3df671cde5448e2ae9a9a2a1bb4bc01413afc51059a369038267b14a0f8fc615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df671cde5448e2ae9a9a2a1bb4bc01413afc51059a369038267b14a0f8fc615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df671cde5448e2ae9a9a2a1bb4bc01413afc51059a369038267b14a0f8fc615", kill_on_drop: false }`
[INFO] [stdout] 3df671cde5448e2ae9a9a2a1bb4bc01413afc51059a369038267b14a0f8fc615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d38ecbeb34500031b5544bee320dd5fa5b9a8a732a6e5a250e5cf8536b146419
[INFO] running `Command { std: "docker" "start" "-a" "d38ecbeb34500031b5544bee320dd5fa5b9a8a732a6e5a250e5cf8536b146419", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking roff v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking man v0.2.0
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking serde_json v1.0.35
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Checking dlarm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Local` is imported redundantly
[INFO] [stdout]  --> src/settings.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ------------------ the item `Local` is already imported here
[INFO] [stdout] 3 | use chrono::{Duration, Local, NaiveTime};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NaiveTime` is imported redundantly
[INFO] [stdout]  --> src/settings.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ------------------ the item `NaiveTime` is already imported here
[INFO] [stdout] 3 | use chrono::{Duration, Local, NaiveTime};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Local` is imported redundantly
[INFO] [stdout]  --> src/settings.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ------------------ the item `Local` is already imported here
[INFO] [stdout] 3 | use chrono::{Duration, Local, NaiveTime};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NaiveTime` is imported redundantly
[INFO] [stdout]  --> src/settings.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ------------------ the item `NaiveTime` is already imported here
[INFO] [stdout] 3 | use chrono::{Duration, Local, NaiveTime};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/data_file.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         &file_path.push(filename);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let _ = &file_path.push(filename);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/data_file.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         &file_path.push(filename);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let _ = &file_path.push(filename);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "d38ecbeb34500031b5544bee320dd5fa5b9a8a732a6e5a250e5cf8536b146419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38ecbeb34500031b5544bee320dd5fa5b9a8a732a6e5a250e5cf8536b146419", kill_on_drop: false }`
[INFO] [stdout] d38ecbeb34500031b5544bee320dd5fa5b9a8a732a6e5a250e5cf8536b146419