[INFO] cloning repository https://github.com/zidoshare/simple-log-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zidoshare/simple-log-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzidoshare%2Fsimple-log-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzidoshare%2Fsimple-log-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17cb38eb00a9d6b192f9d04ec2b7f6afff714ebe
[INFO] checking zidoshare/simple-log-viewer against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzidoshare%2Fsimple-log-viewer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zidoshare/simple-log-viewer on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zidoshare/simple-log-viewer
[INFO] finished tweaking git repo https://github.com/zidoshare/simple-log-viewer
[INFO] tweaked toml for git repo https://github.com/zidoshare/simple-log-viewer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zidoshare/simple-log-viewer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 942ac7d687d3c0f6d98fb91dd0e1d10507d06292f87e15bd15069f1a58680209
[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" "942ac7d687d3c0f6d98fb91dd0e1d10507d06292f87e15bd15069f1a58680209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "942ac7d687d3c0f6d98fb91dd0e1d10507d06292f87e15bd15069f1a58680209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942ac7d687d3c0f6d98fb91dd0e1d10507d06292f87e15bd15069f1a58680209", kill_on_drop: false }`
[INFO] [stdout] 942ac7d687d3c0f6d98fb91dd0e1d10507d06292f87e15bd15069f1a58680209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4256ed63f34717d0a4addab35a7b7cf30fb0c997e066ede93a2261af319b91b5
[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" "4256ed63f34717d0a4addab35a7b7cf30fb0c997e066ede93a2261af319b91b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rustyline v7.0.0
[INFO] [stderr]     Checking slv_core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: struct is never constructed: `RegexMatcher`
[INFO] [stdout]   --> core/src/fr.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct RegexMatcher {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> core/src/fr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     buf: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> core/src/fr.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     file: File,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RegexMatcher`
[INFO] [stdout]   --> core/src/fr.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct RegexMatcher {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> core/src/fr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     buf: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> core/src/fr.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     file: File,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking slv v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: unused import: `Completer`
[INFO] [stdout]  --> cli/src/readline.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustyline::completion::{Completer, FilenameCompleter};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RLHelper`
[INFO] [stdout]  --> cli/src/readline.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RLHelper {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LineHighligter`
[INFO] [stdout]  --> cli/src/readline.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LineHighligter {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_readline`
[INFO] [stdout]  --> cli/src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn create_readline() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completer`
[INFO] [stdout]  --> cli/src/readline.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustyline::completion::{Completer, FilenameCompleter};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RLHelper`
[INFO] [stdout]  --> cli/src/readline.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RLHelper {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LineHighligter`
[INFO] [stdout]  --> cli/src/readline.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LineHighligter {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_readline`
[INFO] [stdout]  --> cli/src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn create_readline() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.83s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4256ed63f34717d0a4addab35a7b7cf30fb0c997e066ede93a2261af319b91b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4256ed63f34717d0a4addab35a7b7cf30fb0c997e066ede93a2261af319b91b5", kill_on_drop: false }`
[INFO] [stdout] 4256ed63f34717d0a4addab35a7b7cf30fb0c997e066ede93a2261af319b91b5