[INFO] cloning repository https://github.com/monsieursquirrel/academic_filter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monsieursquirrel/academic_filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonsieursquirrel%2Facademic_filter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonsieursquirrel%2Facademic_filter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fcf01fcdff760d209088e5ca3e8275cf7b5155d1 [INFO] checking monsieursquirrel/academic_filter against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonsieursquirrel%2Facademic_filter" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/monsieursquirrel/academic_filter on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/monsieursquirrel/academic_filter [INFO] finished tweaking git repo https://github.com/monsieursquirrel/academic_filter [INFO] tweaked toml for git repo https://github.com/monsieursquirrel/academic_filter written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/monsieursquirrel/academic_filter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef895c0b8dd2e9fd334db57f68b0534ff8b0a6a8f0b24499f7c650ef7f0eda9a [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" "ef895c0b8dd2e9fd334db57f68b0534ff8b0a6a8f0b24499f7c650ef7f0eda9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef895c0b8dd2e9fd334db57f68b0534ff8b0a6a8f0b24499f7c650ef7f0eda9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef895c0b8dd2e9fd334db57f68b0534ff8b0a6a8f0b24499f7c650ef7f0eda9a", kill_on_drop: false }` [INFO] [stdout] ef895c0b8dd2e9fd334db57f68b0534ff8b0a6a8f0b24499f7c650ef7f0eda9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b602f71c340a13b26a66eb9f60bfd9350044616e4a347619fbfec286e6e0ac1 [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" "4b602f71c340a13b26a66eb9f60bfd9350044616e4a347619fbfec286e6e0ac1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking filter_lib v0.1.0 (/opt/rustwide/workdir/lib/filter_lib) [INFO] [stdout] warning: unused variable: `sample_rate` [INFO] [stdout] --> lib/filter_lib/src/lib.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn new(sample_rate: u32) -> FilterTwoPole { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking academic_filter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.82s [INFO] running `Command { std: "docker" "inspect" "4b602f71c340a13b26a66eb9f60bfd9350044616e4a347619fbfec286e6e0ac1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b602f71c340a13b26a66eb9f60bfd9350044616e4a347619fbfec286e6e0ac1", kill_on_drop: false }` [INFO] [stdout] 4b602f71c340a13b26a66eb9f60bfd9350044616e4a347619fbfec286e6e0ac1