[INFO] cloning repository https://github.com/kkdhandhal/rusttest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkdhandhal/rusttest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkdhandhal%2Frusttest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkdhandhal%2Frusttest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afa965235d38f5cb88ee5e2913c76d5d943a80de
[INFO] testing kkdhandhal/rusttest against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkdhandhal%2Frusttest" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  72% (8/11)
Updating files:  81% (9/11)
Updating files:  90% (10/11)
Updating files: 100% (11/11)
Updating files: 100% (11/11), done.
[INFO] validating manifest of git repo https://github.com/kkdhandhal/rusttest on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kkdhandhal/rusttest
[INFO] finished tweaking git repo https://github.com/kkdhandhal/rusttest
[INFO] tweaked toml for git repo https://github.com/kkdhandhal/rusttest written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kkdhandhal/rusttest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70f1d18ba80266f40f83982502744c8186c8d52a066d8fb0e86bb0873d27c936
[INFO] running `Command { std: "docker" "start" "-a" "70f1d18ba80266f40f83982502744c8186c8d52a066d8fb0e86bb0873d27c936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70f1d18ba80266f40f83982502744c8186c8d52a066d8fb0e86bb0873d27c936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f1d18ba80266f40f83982502744c8186c8d52a066d8fb0e86bb0873d27c936", kill_on_drop: false }`
[INFO] [stdout] 70f1d18ba80266f40f83982502744c8186c8d52a066d8fb0e86bb0873d27c936
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43aea7b7b41ad101b8de3da7bcf4a268f0fee828e375cb38d27fc7655aa4cccc
[INFO] running `Command { std: "docker" "start" "-a" "43aea7b7b41ad101b8de3da7bcf4a268f0fee828e375cb38d27fc7655aa4cccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling readfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/Import_File.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Err(e) => {0},
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/Import_File.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Err(e) => {0},
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Import_File.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut mstldg:MstLdg = MstLdg{
[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: module `Import_File` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod Import_File;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `import_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "43aea7b7b41ad101b8de3da7bcf4a268f0fee828e375cb38d27fc7655aa4cccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aea7b7b41ad101b8de3da7bcf4a268f0fee828e375cb38d27fc7655aa4cccc", kill_on_drop: false }`
[INFO] [stdout] 43aea7b7b41ad101b8de3da7bcf4a268f0fee828e375cb38d27fc7655aa4cccc
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3958dd924a2feeb5a60a78059dd18162274cbdd20c27c45c57fccb5dee5f0b80
[INFO] running `Command { std: "docker" "start" "-a" "3958dd924a2feeb5a60a78059dd18162274cbdd20c27c45c57fccb5dee5f0b80", kill_on_drop: false }`
[INFO] [stderr]    Compiling readfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/Import_File.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Err(e) => {0},
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/Import_File.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Err(e) => {0},
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Import_File.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut mstldg:MstLdg = MstLdg{
[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: module `Import_File` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod Import_File;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `import_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3958dd924a2feeb5a60a78059dd18162274cbdd20c27c45c57fccb5dee5f0b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3958dd924a2feeb5a60a78059dd18162274cbdd20c27c45c57fccb5dee5f0b80", kill_on_drop: false }`
[INFO] [stdout] 3958dd924a2feeb5a60a78059dd18162274cbdd20c27c45c57fccb5dee5f0b80
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 601c5683a00feb6979d8a1da3945ed2dbfdf629210d667f5cea825bc5ebdab6f
[INFO] running `Command { std: "docker" "start" "-a" "601c5683a00feb6979d8a1da3945ed2dbfdf629210d667f5cea825bc5ebdab6f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use std::env;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/Import_File.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Err(e) => {0},
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/Import_File.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Err(e) => {0},
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/Import_File.rs:83:6
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut mstldg:MstLdg = MstLdg{
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Import_File` should have a snake case name
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | mod Import_File;
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `import_file`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `readfile` (bin "readfile" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/readfile-3d298cd37665a1e7)
[INFO] running `Command { std: "docker" "inspect" "601c5683a00feb6979d8a1da3945ed2dbfdf629210d667f5cea825bc5ebdab6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601c5683a00feb6979d8a1da3945ed2dbfdf629210d667f5cea825bc5ebdab6f", kill_on_drop: false }`
[INFO] [stdout] 601c5683a00feb6979d8a1da3945ed2dbfdf629210d667f5cea825bc5ebdab6f