[INFO] fetching crate xsnappy 0.1.0... [INFO] building xsnappy-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate xsnappy 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate xsnappy 0.1.0 [INFO] finished tweaking crates.io crate xsnappy 0.1.0 [INFO] tweaked toml for crates.io crate xsnappy 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate xsnappy 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1878274aba1ebab0949e2d5095958e30b27b14b1300fb1b832418ec831d226ae [INFO] running `Command { std: "docker" "start" "-a" "1878274aba1ebab0949e2d5095958e30b27b14b1300fb1b832418ec831d226ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1878274aba1ebab0949e2d5095958e30b27b14b1300fb1b832418ec831d226ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1878274aba1ebab0949e2d5095958e30b27b14b1300fb1b832418ec831d226ae", kill_on_drop: false }` [INFO] [stdout] 1878274aba1ebab0949e2d5095958e30b27b14b1300fb1b832418ec831d226ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca70f9acf9132a3a5e28d3b0e208d7890e07d3f0356c71adc9fb28fde05bd3ae [INFO] running `Command { std: "docker" "start" "-a" "ca70f9acf9132a3a5e28d3b0e208d7890e07d3f0356c71adc9fb28fde05bd3ae", kill_on_drop: false }` [INFO] [stderr] Compiling xsnappy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `candidate` is never read [INFO] [stdout] --> src/encode.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let mut candidate = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/encode.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut i = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [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/decode.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut p; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | let mut dst_end = dst.offset(dst_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let mut src_end = src.offset(src_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let mut dst_end = dst.offset(dst_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut base = s; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extend_match` is never used [INFO] [stdout] --> src/encode.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "ca70f9acf9132a3a5e28d3b0e208d7890e07d3f0356c71adc9fb28fde05bd3ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca70f9acf9132a3a5e28d3b0e208d7890e07d3f0356c71adc9fb28fde05bd3ae", kill_on_drop: false }` [INFO] [stdout] ca70f9acf9132a3a5e28d3b0e208d7890e07d3f0356c71adc9fb28fde05bd3ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f342e822867814781f3ca1225be5b706476cf91e8e93aaae4f45da80258df54 [INFO] running `Command { std: "docker" "start" "-a" "3f342e822867814781f3ca1225be5b706476cf91e8e93aaae4f45da80258df54", kill_on_drop: false }` [INFO] [stdout] warning: value assigned to `candidate` is never read [INFO] [stdout] --> src/encode.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let mut candidate = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/encode.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut i = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [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/decode.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut p; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | let mut dst_end = dst.offset(dst_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let mut src_end = src.offset(src_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let mut dst_end = dst.offset(dst_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut base = s; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling xsnappy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `extend_match` is never used [INFO] [stdout] --> src/encode.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/encode.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut i = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `candidate` is never read [INFO] [stdout] --> src/encode.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let mut candidate = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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/decode.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut p; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let mut src_end = src.offset(src_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let mut dst_end = dst.offset(dst_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/decode.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | let mut dst_end = dst.offset(dst_len as isize); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut base = s; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extend_match` is never used [INFO] [stdout] --> src/encode.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "3f342e822867814781f3ca1225be5b706476cf91e8e93aaae4f45da80258df54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f342e822867814781f3ca1225be5b706476cf91e8e93aaae4f45da80258df54", kill_on_drop: false }` [INFO] [stdout] 3f342e822867814781f3ca1225be5b706476cf91e8e93aaae4f45da80258df54