[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] ef72227cdc98c637f1c6e4017d833b505f49be46 [INFO] checking maciejjakub/zfp_rust against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust" "/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/maciejjakub/zfp_rust on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded funty v1.0.1 [INFO] [stderr] Downloaded radium v0.5.3 [INFO] [stderr] Downloaded tap v1.0.0 [INFO] [stderr] Downloaded wyz v0.2.0 [INFO] [stderr] Downloaded bitvec v0.19.4 [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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a77bb351ee344fc1c0e5c8416838c668ba5e058983911696b0e62f12ffe59d7 [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" "4a77bb351ee344fc1c0e5c8416838c668ba5e058983911696b0e62f12ffe59d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a77bb351ee344fc1c0e5c8416838c668ba5e058983911696b0e62f12ffe59d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a77bb351ee344fc1c0e5c8416838c668ba5e058983911696b0e62f12ffe59d7", kill_on_drop: false }` [INFO] [stdout] 4a77bb351ee344fc1c0e5c8416838c668ba5e058983911696b0e62f12ffe59d7 [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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1d30b2aef7adff856c5ca16d7f9aa1d1f59c2f71daf5341f0886081ac16acb7 [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" "d1d30b2aef7adff856c5ca16d7f9aa1d1f59c2f71daf5341f0886081ac16acb7", 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] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking tap v1.0.0 [INFO] [stderr] Checking bitvec v0.19.4 [INFO] [stderr] Checking zfp_rust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Add`, `Shr`, `Sub` [INFO] [stdout] --> src/serialize.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::{Add, Shr, Sub}; [INFO] [stdout] | ^^^ ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Add`, `Shr`, `Sub` [INFO] [stdout] --> src/serialize.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::{Add, Shr, Sub}; [INFO] [stdout] | ^^^ ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/serialize.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | 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:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | 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:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | 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:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | 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:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut bits = data.view_bits_mut::(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/serialize.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | 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:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | 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:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | 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: `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: variable does not need to be mutable [INFO] [stdout] --> src/serialize.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | 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:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut bits = data.view_bits_mut::(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.29s [INFO] running `Command { std: "docker" "inspect" "d1d30b2aef7adff856c5ca16d7f9aa1d1f59c2f71daf5341f0886081ac16acb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1d30b2aef7adff856c5ca16d7f9aa1d1f59c2f71daf5341f0886081ac16acb7", kill_on_drop: false }` [INFO] [stdout] d1d30b2aef7adff856c5ca16d7f9aa1d1f59c2f71daf5341f0886081ac16acb7