[INFO] cloning repository https://github.com/SimonEverts/backer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SimonEverts/backer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonEverts%2Fbacker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonEverts%2Fbacker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d438858ae2fb95af5b8e5f1c231472a6bf8eb3a2
[INFO] checking SimonEverts/backer against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonEverts%2Fbacker" "/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/SimonEverts/backer on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SimonEverts/backer
[INFO] finished tweaking git repo https://github.com/SimonEverts/backer
[INFO] tweaked toml for git repo https://github.com/SimonEverts/backer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SimonEverts/backer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 606cd3776a3bd53f1d87dbbf08319ac1a4eb1ce4d8c8b1357d35f2db0f352a2b
[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" "606cd3776a3bd53f1d87dbbf08319ac1a4eb1ce4d8c8b1357d35f2db0f352a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "606cd3776a3bd53f1d87dbbf08319ac1a4eb1ce4d8c8b1357d35f2db0f352a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606cd3776a3bd53f1d87dbbf08319ac1a4eb1ce4d8c8b1357d35f2db0f352a2b", kill_on_drop: false }`
[INFO] [stdout] 606cd3776a3bd53f1d87dbbf08319ac1a4eb1ce4d8c8b1357d35f2db0f352a2b
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 212f11a77280f180222b0d27f8dbd3f2efa2ba51ed2265893531aeab06748783
[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" "212f11a77280f180222b0d27f8dbd3f2efa2ba51ed2265893531aeab06748783", kill_on_drop: false }`
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking backer-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Context`, `Digest`
[INFO] [stdout]  --> backer-list.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use md5::{Context, Digest};
[INFO] [stdout]   |           ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> backer-list.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Read`
[INFO] [stdout]   --> backer-list.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufReader, Read};
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> backer-list.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     if (!only_existing) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Digest`
[INFO] [stdout]  --> backer-list.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use md5::{Context, Digest};
[INFO] [stdout]   |           ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> backer-list.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `Read`
[INFO] [stdout]   --> backer-list.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{BufReader, Read};
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> backer-list.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     if (!only_existing) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_modified`
[INFO] [stdout]   --> backer-list.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let last_modified = metadata.modified()?.duration_since(SystemTime::UNIX_EPOCH).expect("Failed getting modified date");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_modified`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:143:10
[INFO] [stdout]     |
[INFO] [stdout] 143 |     for (key, value) in files.iter_mut() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for (key, value) in files.iter_mut() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:182:10
[INFO] [stdout]     |
[INFO] [stdout] 182 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> backer-list.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut outSplit = outStr.unwrap().clone();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> backer-list.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut path = "/home/simon/.local";
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_modified`
[INFO] [stdout]   --> backer-list.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let last_modified = metadata.modified()?.duration_since(SystemTime::UNIX_EPOCH).expect("Failed getting modified date");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_modified`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:143:10
[INFO] [stdout]     |
[INFO] [stdout] 143 |     for (key, value) in files.iter_mut() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for (key, value) in files.iter_mut() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:182:10
[INFO] [stdout]     |
[INFO] [stdout] 182 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> backer-list.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |     for (key, value) in files.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outStr` should have a snake case name
[INFO] [stdout]   --> backer-list.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let outStr = String::from_utf8(out.stdout);
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `out_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outSplit` should have a snake case name
[INFO] [stdout]   --> backer-list.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut outSplit = outStr.unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `out_split`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outSplit2` should have a snake case name
[INFO] [stdout]   --> backer-list.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut outSplit2 = outSplit.split_whitespace();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `out_split2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileList` should have a snake case name
[INFO] [stdout]    --> backer-list.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 Some(fileList) => { fileList.push(file_data); }
[INFO] [stdout]     |                      ^^^^^^^^ help: convert the identifier to snake case: `file_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> backer-list.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut outSplit = outStr.unwrap().clone();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> backer-list.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut path = "/home/simon/.local";
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outStr` should have a snake case name
[INFO] [stdout]   --> backer-list.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let outStr = String::from_utf8(out.stdout);
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `out_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outSplit` should have a snake case name
[INFO] [stdout]   --> backer-list.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut outSplit = outStr.unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `out_split`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outSplit2` should have a snake case name
[INFO] [stdout]   --> backer-list.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut outSplit2 = outSplit.split_whitespace();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `out_split2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fileList` should have a snake case name
[INFO] [stdout]    --> backer-list.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 Some(fileList) => { fileList.push(file_data); }
[INFO] [stdout]     |                      ^^^^^^^^ help: convert the identifier to snake case: `file_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "212f11a77280f180222b0d27f8dbd3f2efa2ba51ed2265893531aeab06748783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212f11a77280f180222b0d27f8dbd3f2efa2ba51ed2265893531aeab06748783", kill_on_drop: false }`
[INFO] [stdout] 212f11a77280f180222b0d27f8dbd3f2efa2ba51ed2265893531aeab06748783
