[INFO] fetching crate xsnappy 0.1.0... [INFO] checking xsnappy-0.1.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate xsnappy 0.1.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate xsnappy 0.1.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d60d06ab3e691e09a7217b0ee9fdbf2f8c49f0187e207035bf1cddda6179521 [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" "2d60d06ab3e691e09a7217b0ee9fdbf2f8c49f0187e207035bf1cddda6179521", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d60d06ab3e691e09a7217b0ee9fdbf2f8c49f0187e207035bf1cddda6179521", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d60d06ab3e691e09a7217b0ee9fdbf2f8c49f0187e207035bf1cddda6179521", kill_on_drop: false }` [INFO] [stdout] 2d60d06ab3e691e09a7217b0ee9fdbf2f8c49f0187e207035bf1cddda6179521 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abc0034d6c12913c6948786cda9f9748d81ec29b8146f0f7128bb6d821e52376 [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" "abc0034d6c12913c6948786cda9f9748d81ec29b8146f0f7128bb6d821e52376", kill_on_drop: false }` [INFO] [stderr] Checking xsnappy v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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/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] = note: `#[warn(unused_mut)]` on by default [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] [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: 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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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: function is never used: `extend_match` [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)]` on by default [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] = note: `#[warn(unused_mut)]` on by default [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] [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: function is never used: `extend_match` [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "abc0034d6c12913c6948786cda9f9748d81ec29b8146f0f7128bb6d821e52376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abc0034d6c12913c6948786cda9f9748d81ec29b8146f0f7128bb6d821e52376", kill_on_drop: false }` [INFO] [stdout] abc0034d6c12913c6948786cda9f9748d81ec29b8146f0f7128bb6d821e52376