[INFO] cloning repository https://github.com/SupaGuys/slacker
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupaGuys%2Fslacker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb99ea8991b60d8d970f9999f348ff62e6b823be
[INFO] checking SupaGuys/slacker against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupaGuys%2Fslacker" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SupaGuys/slacker 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/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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SupaGuys/slacker 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 582d161d16dc360f0d0951d05b537817d52543b07e02143c07bec16ce911fb40
[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" "582d161d16dc360f0d0951d05b537817d52543b07e02143c07bec16ce911fb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582d161d16dc360f0d0951d05b537817d52543b07e02143c07bec16ce911fb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582d161d16dc360f0d0951d05b537817d52543b07e02143c07bec16ce911fb40", kill_on_drop: false }`
[INFO] [stdout] 582d161d16dc360f0d0951d05b537817d52543b07e02143c07bec16ce911fb40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d762d295b81b21fc620d0d6f518d78b87b77425574f3648ebc1adb5c6ae3f66a
[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" "d762d295b81b21fc620d0d6f518d78b87b77425574f3648ebc1adb5c6ae3f66a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[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] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `persistent::Read`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use persistent::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UrlEncodedQuery`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use urlencoded::{UrlEncodedQuery,UrlEncodedBody};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::Headers`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use iron::Headers;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn help_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn list_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `persistent::Read`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use persistent::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UrlEncodedQuery`
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use urlencoded::{UrlEncodedQuery,UrlEncodedBody};
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::Headers`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use iron::Headers;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CONFIG` should have a snake case name
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CONFIG` should have a snake case name
[INFO] [stdout]    --> src/main.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |    let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stdout]     |        ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn help_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn list_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CONFIG` should have a snake case name
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CONFIG` should have a snake case name
[INFO] [stdout]    --> src/main.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |    let CONFIG: Config = Config::new_from_env_or_default();
[INFO] [stdout]     |        ^^^^^^ help: convert the identifier to snake case: `config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `Command { std: "docker" "inspect" "d762d295b81b21fc620d0d6f518d78b87b77425574f3648ebc1adb5c6ae3f66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d762d295b81b21fc620d0d6f518d78b87b77425574f3648ebc1adb5c6ae3f66a", kill_on_drop: false }`
[INFO] [stdout] d762d295b81b21fc620d0d6f518d78b87b77425574f3648ebc1adb5c6ae3f66a