[INFO] fetching crate nfminigrep 0.1.0...
[INFO] testing nfminigrep-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nfminigrep 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nfminigrep 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nfminigrep 0.1.0
[INFO] finished tweaking crates.io crate nfminigrep 0.1.0
[INFO] tweaked toml for crates.io crate nfminigrep 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a897a7a5d3e252ba77d2ddf5da237b906505ac34f54143ae653ea2212a00efce
[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" "a897a7a5d3e252ba77d2ddf5da237b906505ac34f54143ae653ea2212a00efce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a897a7a5d3e252ba77d2ddf5da237b906505ac34f54143ae653ea2212a00efce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a897a7a5d3e252ba77d2ddf5da237b906505ac34f54143ae653ea2212a00efce", kill_on_drop: false }`
[INFO] [stdout] a897a7a5d3e252ba77d2ddf5da237b906505ac34f54143ae653ea2212a00efce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b896cacd647199ebf572bd6c8012420131c7549f2b4e9daa572000b135a978
[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" "66b896cacd647199ebf572bd6c8012420131c7549f2b4e9daa572000b135a978", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfminigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/lib.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: function `printHelp` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn printHelp(){
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `print_help`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let Err(e) = nfminigrep::run(config) {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "66b896cacd647199ebf572bd6c8012420131c7549f2b4e9daa572000b135a978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b896cacd647199ebf572bd6c8012420131c7549f2b4e9daa572000b135a978", kill_on_drop: false }`
[INFO] [stdout] 66b896cacd647199ebf572bd6c8012420131c7549f2b4e9daa572000b135a978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 908994f248843fce9a8a250acc47a7967775f7c3e7ab633cde750fb98c439dbd
[INFO] running `Command { std: "docker" "start" "-a" "908994f248843fce9a8a250acc47a7967775f7c3e7ab633cde750fb98c439dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfminigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/lib.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: function `printHelp` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn printHelp(){
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `print_help`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/lib.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/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let Err(e) = nfminigrep::run(config) {
[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: function `printHelp` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn printHelp(){
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `print_help`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getNone` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn getNone() {
[INFO] [stdout]     |        ^^^^^^^ help: convert the identifier to snake case: `get_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getMultiple` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn getMultiple() {
[INFO] [stdout]     |        ^^^^^^^^^^^ help: convert the identifier to snake case: `get_multiple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "908994f248843fce9a8a250acc47a7967775f7c3e7ab633cde750fb98c439dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908994f248843fce9a8a250acc47a7967775f7c3e7ab633cde750fb98c439dbd", kill_on_drop: false }`
[INFO] [stdout] 908994f248843fce9a8a250acc47a7967775f7c3e7ab633cde750fb98c439dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a49c8adf429fe7d711973868429960b3a91c7291af7d460272fe1b18dc130aad
[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" "a49c8adf429fe7d711973868429960b3a91c7291af7d460272fe1b18dc130aad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `printHelp` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn printHelp(){
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `print_help`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nfminigrep` (lib) generated 2 warnings
[INFO] [stderr] warning: function `getNone` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn getNone() {
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to snake case: `get_none`
[INFO] [stderr] 
[INFO] [stderr] warning: function `getMultiple` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn getMultiple() {
[INFO] [stderr]     |        ^^^^^^^^^^^ help: convert the identifier to snake case: `get_multiple`
[INFO] [stderr] 
[INFO] [stderr] warning: `nfminigrep` (lib test) generated 4 warnings (2 duplicates)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     if let Err(e) = nfminigrep::run(config) {
[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: `nfminigrep` (bin "nfminigrep" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfminigrep-95c8edc86432d9a8)
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::getMultiple ... ok
[INFO] [stdout] test tests::getNone ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::getone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfminigrep-90738cb94948702b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nfminigrep
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a49c8adf429fe7d711973868429960b3a91c7291af7d460272fe1b18dc130aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49c8adf429fe7d711973868429960b3a91c7291af7d460272fe1b18dc130aad", kill_on_drop: false }`
[INFO] [stdout] a49c8adf429fe7d711973868429960b3a91c7291af7d460272fe1b18dc130aad