[INFO] cloning repository https://github.com/maciejjakub/zfp_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciejjakub/zfp_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03d9b720668cd249d42b17516774c17652d18724 [INFO] checking maciejjakub/zfp_rust against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maciejjakub/zfp_rust on toolchain 81275a1445c7502a974118e0c69b795ab60be991 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maciejjakub/zfp_rust [INFO] finished tweaking git repo https://github.com/maciejjakub/zfp_rust [INFO] tweaked toml for git repo https://github.com/maciejjakub/zfp_rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/maciejjakub/zfp_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded funty v1.0.1 [INFO] [stderr] Downloaded radium v0.5.3 [INFO] [stderr] Downloaded wyz v0.2.0 [INFO] [stderr] Downloaded tap v1.0.0 [INFO] [stderr] Downloaded bitvec v0.19.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcd164834e846e6c64596ca0d85e60f5db5e46036a220a75578d597afc6b3058 [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" "dcd164834e846e6c64596ca0d85e60f5db5e46036a220a75578d597afc6b3058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcd164834e846e6c64596ca0d85e60f5db5e46036a220a75578d597afc6b3058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcd164834e846e6c64596ca0d85e60f5db5e46036a220a75578d597afc6b3058", kill_on_drop: false }` [INFO] [stdout] dcd164834e846e6c64596ca0d85e60f5db5e46036a220a75578d597afc6b3058 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6043a2d27fcf73f3cd6ce8b19c8d670517c19bf9c4c5c9fd47a2c1d5b0c96f60 [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" "6043a2d27fcf73f3cd6ce8b19c8d670517c19bf9c4c5c9fd47a2c1d5b0c96f60", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Checking tap v1.0.0 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Checking bitvec v0.19.4 [INFO] [stderr] Checking zfp_rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/serialize.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let a: u8 = 0b1111; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/serialize.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let b: u8 = 0b1010; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `my_char` is never read [INFO] [stdout] --> src/serialize.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | my_char = my_char >> 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/serialize.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let a: u8 = 0b1111; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/serialize.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let b: u8 = 0b1010; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `my_char` is never read [INFO] [stdout] --> src/serialize.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | my_char = my_char >> 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serialize.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut bits = data.view_bits_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/serialize.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut bits = data.view_bits_mut::(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serialize.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut bits = data.view_bits_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/serialize.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut bits = data.view_bits_mut::(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let y: i16 = 45; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let y: i16 = 45; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.03s [INFO] running `Command { std: "docker" "inspect" "6043a2d27fcf73f3cd6ce8b19c8d670517c19bf9c4c5c9fd47a2c1d5b0c96f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6043a2d27fcf73f3cd6ce8b19c8d670517c19bf9c4c5c9fd47a2c1d5b0c96f60", kill_on_drop: false }` [INFO] [stdout] 6043a2d27fcf73f3cd6ce8b19c8d670517c19bf9c4c5c9fd47a2c1d5b0c96f60