[INFO] updating cached repository https://github.com/cowlet/lines [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a1431763f6db80fed29ddce87849f0536e8f4d52 [INFO] checking cowlet/lines against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcowlet%2Flines" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cowlet/lines on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cowlet/lines [INFO] finished tweaking git repo https://github.com/cowlet/lines [INFO] tweaked toml for git repo https://github.com/cowlet/lines written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/cowlet/lines already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Updating git repository `https://github.com/xasmx/rust-la` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6a8181c52baddc1639db4300620c455c514060041547ad0cac6944a89cc1d053 [INFO] running `"docker" "start" "-a" "6a8181c52baddc1639db4300620c455c514060041547ad0cac6944a89cc1d053"` [INFO] [stderr] Checking gnuplot v0.0.20 [INFO] [stderr] Checking la v0.2.0 (https://github.com/xasmx/rust-la?rev=b475844#b4758445) [INFO] [stderr] Checking lines v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:13:16 [INFO] [stderr] | [INFO] [stderr] 13 | let file = try!(fs::File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:16:17 [INFO] [stderr] | [INFO] [stderr] 16 | let lines = try!(reader.decode().collect::>>()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] extern crate la; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:12:54 [INFO] [stderr] | [INFO] [stderr] 12 | fn parse_file(file: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:13:16 [INFO] [stderr] | [INFO] [stderr] 13 | let file = try!(fs::File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:16:17 [INFO] [stderr] | [INFO] [stderr] 16 | let lines = try!(reader.decode().collect::>>()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:12:54 [INFO] [stderr] | [INFO] [stderr] 12 | fn parse_file(file: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.04s [INFO] running `"docker" "inspect" "6a8181c52baddc1639db4300620c455c514060041547ad0cac6944a89cc1d053"` [INFO] running `"docker" "rm" "-f" "6a8181c52baddc1639db4300620c455c514060041547ad0cac6944a89cc1d053"` [INFO] [stdout] 6a8181c52baddc1639db4300620c455c514060041547ad0cac6944a89cc1d053