[INFO] fetching crate nfminigrep 0.1.0... [INFO] checking nfminigrep-0.1.0 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192 [INFO] extracting crate nfminigrep 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate nfminigrep 0.1.0 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 676ea0b0f4821633c6836b6b30d2b10c26ecd9790c624d1372b6d362dc0b6df5 [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" "676ea0b0f4821633c6836b6b30d2b10c26ecd9790c624d1372b6d362dc0b6df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "676ea0b0f4821633c6836b6b30d2b10c26ecd9790c624d1372b6d362dc0b6df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "676ea0b0f4821633c6836b6b30d2b10c26ecd9790c624d1372b6d362dc0b6df5", kill_on_drop: false }` [INFO] [stdout] 676ea0b0f4821633c6836b6b30d2b10c26ecd9790c624d1372b6d362dc0b6df5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4040828105fc6fddfcc67f8af1c209d35ba02cdde0e5f3a6e96a78349d6a6b4a [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" "4040828105fc6fddfcc67f8af1c209d35ba02cdde0e5f3a6e96a78349d6a6b4a", kill_on_drop: false }` [INFO] [stderr] Checking 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: 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: 4 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] [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 0.57s [INFO] running `Command { std: "docker" "inspect" "4040828105fc6fddfcc67f8af1c209d35ba02cdde0e5f3a6e96a78349d6a6b4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4040828105fc6fddfcc67f8af1c209d35ba02cdde0e5f3a6e96a78349d6a6b4a", kill_on_drop: false }` [INFO] [stdout] 4040828105fc6fddfcc67f8af1c209d35ba02cdde0e5f3a6e96a78349d6a6b4a