[INFO] cloning repository https://github.com/SupaGuys/slacker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SupaGuys/slacker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupaGuys%2Fslacker"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupaGuys%2Fslacker'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb99ea8991b60d8d970f9999f348ff62e6b823be
[INFO] checking SupaGuys/slacker against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupaGuys%2Fslacker" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SupaGuys/slacker on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SupaGuys/slacker
[INFO] finished tweaking git repo https://github.com/SupaGuys/slacker
[INFO] tweaked toml for git repo https://github.com/SupaGuys/slacker written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/SupaGuys/slacker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3257597f21993fa28e5c40a504dccb68a4254d248e2b073d26fa65ea7b9c82a3
[INFO] running `"docker" "start" "-a" "3257597f21993fa28e5c40a504dccb68a4254d248e2b073d26fa65ea7b9c82a3"`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking bodyparser v0.8.0 (https://github.com/iron/body-parser.git#49ae53cd)
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]     Checking slack_eltasko v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `persistent::Read`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use persistent::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UrlEncodedQuery`
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | use urlencoded::{UrlEncodedQuery,UrlEncodedBody};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::Headers`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use iron::Headers;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `persistent::Read`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use persistent::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UrlEncodedQuery`
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | use urlencoded::{UrlEncodedQuery,UrlEncodedBody};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::Headers`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use iron::Headers;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn help_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn list_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `CONFIG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `CONFIG` should have a snake case name
[INFO] [stderr]    --> src/main.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |    let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stderr]     |        ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn help_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn list_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `CONFIG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `CONFIG` should have a snake case name
[INFO] [stderr]    --> src/main.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |    let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stderr]     |        ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.65s
[INFO] running `"docker" "inspect" "3257597f21993fa28e5c40a504dccb68a4254d248e2b073d26fa65ea7b9c82a3"`
[INFO] running `"docker" "rm" "-f" "3257597f21993fa28e5c40a504dccb68a4254d248e2b073d26fa65ea7b9c82a3"`
[INFO] [stdout] 3257597f21993fa28e5c40a504dccb68a4254d248e2b073d26fa65ea7b9c82a3