[INFO] cloning repository https://github.com/dwaas/ffs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwaas/ffs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwaas%2Fffs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwaas%2Fffs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a7f99a8bf1f4c4cc8ffcffea54353447cf42f96c [INFO] checking dwaas/ffs against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwaas%2Fffs" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dwaas/ffs on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dwaas/ffs [INFO] finished tweaking git repo https://github.com/dwaas/ffs [INFO] tweaked toml for git repo https://github.com/dwaas/ffs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/dwaas/ffs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee3c8f8dd684e341d11e00f6de6ab0f1b5956e238971e40d10625de71c46b05d [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" "ee3c8f8dd684e341d11e00f6de6ab0f1b5956e238971e40d10625de71c46b05d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee3c8f8dd684e341d11e00f6de6ab0f1b5956e238971e40d10625de71c46b05d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee3c8f8dd684e341d11e00f6de6ab0f1b5956e238971e40d10625de71c46b05d", kill_on_drop: false }` [INFO] [stdout] ee3c8f8dd684e341d11e00f6de6ab0f1b5956e238971e40d10625de71c46b05d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e93fc55683c1595f579e79f54dba7a77d738cd6e8e5a230729c0ba2477d9be47 [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" "e93fc55683c1595f579e79f54dba7a77d738cd6e8e5a230729c0ba2477d9be47", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking nibble_vec v0.0.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking radix_trie v0.1.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking ffs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `free_bitmap` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_bitmap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `free_bitmap` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_bitmap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [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/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut free_bitmap = [true; BLOCK_NUM as usize]; [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: constant is never used: `BLOCK_SIZE` [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const BLOCK_SIZE: u16 = 2 << 11; // For simplicity, like a page. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `BLOCK_SIZE` [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const BLOCK_SIZE: u16 = 2 << 11; // For simplicity, like a page. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `BLOCK_FILE` [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | const BLOCK_FILE: &'static str = "block.disk"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `BLOCK_FILE` [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | const BLOCK_FILE: &'static str = "block.disk"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.40s [INFO] running `Command { std: "docker" "inspect" "e93fc55683c1595f579e79f54dba7a77d738cd6e8e5a230729c0ba2477d9be47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e93fc55683c1595f579e79f54dba7a77d738cd6e8e5a230729c0ba2477d9be47", kill_on_drop: false }` [INFO] [stdout] e93fc55683c1595f579e79f54dba7a77d738cd6e8e5a230729c0ba2477d9be47