[INFO] cloning repository https://github.com/yuer1727/rutils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuer1727/rutils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuer1727%2Frutils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuer1727%2Frutils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ea3487d750e96ea993b0fab5ac37661df345c5f
[INFO] checking yuer1727/rutils against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuer1727%2Frutils" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  26% (278/1041)   
Checking out files:  27% (282/1041)   
Checking out files:  28% (292/1041)   
Checking out files:  29% (302/1041)   
Checking out files:  30% (313/1041)   
Checking out files:  31% (323/1041)   
Checking out files:  31% (324/1041)   
Checking out files:  32% (334/1041)   
Checking out files:  33% (344/1041)   
Checking out files:  34% (354/1041)   
Checking out files:  35% (365/1041)   
Checking out files:  36% (375/1041)   
Checking out files:  37% (386/1041)   
Checking out files:  38% (396/1041)   
Checking out files:  39% (406/1041)   
Checking out files:  40% (417/1041)   
Checking out files:  41% (427/1041)   
Checking out files:  42% (438/1041)   
Checking out files:  43% (448/1041)   
Checking out files:  44% (459/1041)   
Checking out files:  45% (469/1041)   
Checking out files:  46% (479/1041)   
Checking out files:  47% (490/1041)   
Checking out files:  48% (500/1041)   
Checking out files:  49% (511/1041)   
Checking out files:  50% (521/1041)   
Checking out files:  51% (531/1041)   
Checking out files:  52% (542/1041)   
Checking out files:  53% (552/1041)   
Checking out files:  54% (563/1041)   
Checking out files:  55% (573/1041)   
Checking out files:  56% (583/1041)   
Checking out files:  57% (594/1041)   
Checking out files:  58% (604/1041)   
Checking out files:  59% (615/1041)   
Checking out files:  60% (625/1041)   
Checking out files:  61% (636/1041)   
Checking out files:  62% (646/1041)   
Checking out files:  63% (656/1041)   
Checking out files:  64% (667/1041)   
Checking out files:  65% (677/1041)   
Checking out files:  66% (688/1041)   
Checking out files:  67% (698/1041)   
Checking out files:  68% (708/1041)   
Checking out files:  69% (719/1041)   
Checking out files:  70% (729/1041)   
Checking out files:  71% (740/1041)   
Checking out files:  72% (750/1041)   
Checking out files:  73% (760/1041)   
Checking out files:  74% (771/1041)   
Checking out files:  75% (781/1041)   
Checking out files:  76% (792/1041)   
Checking out files:  77% (802/1041)   
Checking out files:  78% (812/1041)   
Checking out files:  79% (823/1041)   
Checking out files:  80% (833/1041)   
Checking out files:  81% (844/1041)   
Checking out files:  82% (854/1041)   
Checking out files:  83% (865/1041)   
Checking out files:  84% (875/1041)   
Checking out files:  85% (885/1041)   
Checking out files:  86% (896/1041)   
Checking out files:  87% (906/1041)   
Checking out files:  88% (917/1041)   
Checking out files:  88% (918/1041)   
Checking out files:  89% (927/1041)   
Checking out files:  90% (937/1041)   
Checking out files:  91% (948/1041)   
Checking out files:  92% (958/1041)   
Checking out files:  93% (969/1041)   
Checking out files:  94% (979/1041)   
Checking out files:  95% (989/1041)   
Checking out files:  96% (1000/1041)   
Checking out files:  97% (1010/1041)   
Checking out files:  98% (1021/1041)   
Checking out files:  99% (1031/1041)   
Checking out files: 100% (1041/1041)   
Checking out files: 100% (1041/1041), done.
[INFO] validating manifest of git repo https://github.com/yuer1727/rutils on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuer1727/rutils
[INFO] finished tweaking git repo https://github.com/yuer1727/rutils
[INFO] tweaked toml for git repo https://github.com/yuer1727/rutils written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yuer1727/rutils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8429ddf8f801496fa01c6f481f6c866b05857203cf6e363782dbaef752cd1a91
[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" "8429ddf8f801496fa01c6f481f6c866b05857203cf6e363782dbaef752cd1a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8429ddf8f801496fa01c6f481f6c866b05857203cf6e363782dbaef752cd1a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8429ddf8f801496fa01c6f481f6c866b05857203cf6e363782dbaef752cd1a91", kill_on_drop: false }`
[INFO] [stdout] 8429ddf8f801496fa01c6f481f6c866b05857203cf6e363782dbaef752cd1a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b97d355e0c72586d5e23545be1b6ee9ece8a450dc5e5ef972387600ae827107
[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" "5b97d355e0c72586d5e23545be1b6ee9ece8a450dc5e5ef972387600ae827107", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Local`, `Utc`
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use chrono::{Local, Utc, TimeZone};
[INFO] [stdout]    |              ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Local`, `Utc`
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use chrono::{Local, Utc, TimeZone};
[INFO] [stdout]    |              ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         _ => (),
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         _ => (),
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "5b97d355e0c72586d5e23545be1b6ee9ece8a450dc5e5ef972387600ae827107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b97d355e0c72586d5e23545be1b6ee9ece8a450dc5e5ef972387600ae827107", kill_on_drop: false }`
[INFO] [stdout] 5b97d355e0c72586d5e23545be1b6ee9ece8a450dc5e5ef972387600ae827107