[INFO] cloning repository https://github.com/phowell/FHasher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phowell/FHasher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphowell%2FFHasher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphowell%2FFHasher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d67383d7e2c58a956cfb3cf99e92bafa3c29c17 [INFO] checking phowell/FHasher against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphowell%2FFHasher" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phowell/FHasher on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phowell/FHasher [INFO] finished tweaking git repo https://github.com/phowell/FHasher [INFO] tweaked toml for git repo https://github.com/phowell/FHasher written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/phowell/FHasher already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] 2c8654c82340e938e553ef8e739d7e3d573186c1f738857ec7295a8b9637e99a [INFO] running `Command { std: "docker" "start" "-a" "2c8654c82340e938e553ef8e739d7e3d573186c1f738857ec7295a8b9637e99a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c8654c82340e938e553ef8e739d7e3d573186c1f738857ec7295a8b9637e99a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c8654c82340e938e553ef8e739d7e3d573186c1f738857ec7295a8b9637e99a", kill_on_drop: false }` [INFO] [stdout] 2c8654c82340e938e553ef8e739d7e3d573186c1f738857ec7295a8b9637e99a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f32a1f32200a3ffe41ea4b8802dce944342df5b0e3dea7b12fe98ae263e9c938 [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" "f32a1f32200a3ffe41ea4b8802dce944342df5b0e3dea7b12fe98ae263e9c938", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Checking same-file v1.0.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking block-padding v0.1.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling proc-macro2 v0.4.12 [INFO] [stderr] Checking walkdir v2.2.5 [INFO] [stderr] Checking block-buffer v0.7.0 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking fhasher v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logfile.rs:29:48 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn open(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logfile.rs:41:54 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn save(&self, path: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logfile.rs:47:71 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn add(&mut self, p: &Path, alg: Algorithm) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logfile.rs:29:48 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn open(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logfile.rs:41:54 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn save(&self, path: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/logfile.rs:47:71 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn add(&mut self, p: &Path, alg: Algorithm) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/logfile.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | for mut f in self.files.iter_mut() { [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: variable does not need to be mutable [INFO] [stdout] --> src/logfile.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | for mut f in self.files.iter_mut() { [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.00s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f32a1f32200a3ffe41ea4b8802dce944342df5b0e3dea7b12fe98ae263e9c938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f32a1f32200a3ffe41ea4b8802dce944342df5b0e3dea7b12fe98ae263e9c938", kill_on_drop: false }` [INFO] [stdout] f32a1f32200a3ffe41ea4b8802dce944342df5b0e3dea7b12fe98ae263e9c938