[INFO] cloning repository https://github.com/mnemnion/strs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnemnion/strs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnemnion%2Fstrs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnemnion%2Fstrs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c4863aae4bda8e0433f72b981c0fe27a029f3e2 [INFO] checking mnemnion/strs against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnemnion%2Fstrs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mnemnion/strs on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mnemnion/strs [INFO] finished tweaking git repo https://github.com/mnemnion/strs [INFO] tweaked toml for git repo https://github.com/mnemnion/strs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mnemnion/strs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a46e8b3cfde6fa9c7cb07e8bbedec722b1b78469f490800f75887e377a0676ae [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" "a46e8b3cfde6fa9c7cb07e8bbedec722b1b78469f490800f75887e377a0676ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a46e8b3cfde6fa9c7cb07e8bbedec722b1b78469f490800f75887e377a0676ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a46e8b3cfde6fa9c7cb07e8bbedec722b1b78469f490800f75887e377a0676ae", kill_on_drop: false }` [INFO] [stdout] a46e8b3cfde6fa9c7cb07e8bbedec722b1b78469f490800f75887e377a0676ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0bcb3aef3c55539ba59c8880f330c6fed37627b6e85ada7fa79ea8e9ae6e5361 [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" "0bcb3aef3c55539ba59c8880f330c6fed37627b6e85ada7fa79ea8e9ae6e5361", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking unicode-segmentation v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking term_size v0.2.1 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking thread_local v0.3.2 [INFO] [stderr] Checking aho-corasick v0.6.1 [INFO] [stderr] Checking clap v2.20.0 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking strs v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:157:17 [INFO] [stdout] | [INFO] [stdout] 157 | source: Box [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:157:17 [INFO] [stdout] | [INFO] [stdout] 157 | source: Box [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.88s [INFO] running `Command { std: "docker" "inspect" "0bcb3aef3c55539ba59c8880f330c6fed37627b6e85ada7fa79ea8e9ae6e5361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bcb3aef3c55539ba59c8880f330c6fed37627b6e85ada7fa79ea8e9ae6e5361", kill_on_drop: false }` [INFO] [stdout] 0bcb3aef3c55539ba59c8880f330c6fed37627b6e85ada7fa79ea8e9ae6e5361