[INFO] updating cached repository https://github.com/sayanarijit/rust-tgit [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e51882df635928112144c02aae959bfbc5b53264 [INFO] checking sayanarijit/rust-tgit against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsayanarijit%2Frust-tgit" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sayanarijit/rust-tgit on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sayanarijit/rust-tgit [INFO] finished tweaking git repo https://github.com/sayanarijit/rust-tgit [INFO] tweaked toml for git repo https://github.com/sayanarijit/rust-tgit written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sayanarijit/rust-tgit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", 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] bd9e39b33f08a55f7e00b7d714bb3038ca2ee1439483c1d53e61d9c252271025 [INFO] running `Command { std: "docker" "start" "-a" "bd9e39b33f08a55f7e00b7d714bb3038ca2ee1439483c1d53e61d9c252271025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd9e39b33f08a55f7e00b7d714bb3038ca2ee1439483c1d53e61d9c252271025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd9e39b33f08a55f7e00b7d714bb3038ca2ee1439483c1d53e61d9c252271025", kill_on_drop: false }` [INFO] [stdout] bd9e39b33f08a55f7e00b7d714bb3038ca2ee1439483c1d53e61d9c252271025 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8697aed6ad4f49f385004405f15497c190945c3cc484e99fa467517cb327e80 [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" "c8697aed6ad4f49f385004405f15497c190945c3cc484e99fa467517cb327e80", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rust-crypto v0.2.36 [INFO] [stderr] Checking tgit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/file.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let mut ref_path = ref_path.split_off(6); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `InvalidCommit` [INFO] [stdout] --> src/errors.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | InvalidCommit, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_head_ref` [INFO] [stdout] --> src/file.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn get_head_ref(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/index.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn clear(&mut self) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Tree` [INFO] [stdout] --> src/types.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/file.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | head_file.read_to_string(&mut ref_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/index.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | self.write(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/file.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let mut ref_path = ref_path.split_off(6); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `InvalidCommit` [INFO] [stdout] --> src/errors.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | InvalidCommit, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_head_ref` [INFO] [stdout] --> src/file.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn get_head_ref(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> src/index.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn clear(&mut self) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Tree` [INFO] [stdout] --> src/types.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/file.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | head_file.read_to_string(&mut ref_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/index.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | self.write(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.93s [INFO] running `Command { std: "docker" "inspect" "c8697aed6ad4f49f385004405f15497c190945c3cc484e99fa467517cb327e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8697aed6ad4f49f385004405f15497c190945c3cc484e99fa467517cb327e80", kill_on_drop: false }` [INFO] [stdout] c8697aed6ad4f49f385004405f15497c190945c3cc484e99fa467517cb327e80