[INFO] fetching crate snes_compress 0.1.4...
[INFO] checking snes_compress-0.1.4 against 1.95.0 for pr-155915
[INFO] extracting crate snes_compress 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate snes_compress 0.1.4
[INFO] finished tweaking crates.io crate snes_compress 0.1.4
[INFO] tweaked toml for crates.io crate snes_compress 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snes_compress 0.1.4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snes_compress 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--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 syn v1.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e39ead46ae4a8b18ef30d72ff23c284f728839cdae94eec06b48b6a6c0d7a9b6
[INFO] running `Command { std: "docker" "start" "-a" "e39ead46ae4a8b18ef30d72ff23c284f728839cdae94eec06b48b6a6c0d7a9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39ead46ae4a8b18ef30d72ff23c284f728839cdae94eec06b48b6a6c0d7a9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39ead46ae4a8b18ef30d72ff23c284f728839cdae94eec06b48b6a6c0d7a9b6", kill_on_drop: false }`
[INFO] [stdout] e39ead46ae4a8b18ef30d72ff23c284f728839cdae94eec06b48b6a6c0d7a9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324f7a0ab68d44d3dc42ccb12ef02518f384d0badc3f476a35fe5c950f4c4552
[INFO] running `Command { std: "docker" "start" "-a" "324f7a0ab68d44d3dc42ccb12ef02518f384d0badc3f476a35fe5c950f4c4552", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking snes_compress v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/compression/strategies.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for i in 0..num_iterations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/compression/block.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Block {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 2 |     pub index: 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: field `max_block_size` is never read
[INFO] [stdout]  --> src/compression/command.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CommandConfiguration {
[INFO] [stdout]   |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub max_block_size: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeat_be` is never used
[INFO] [stdout]   --> src/decompression/command_callbacks.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn repeat_be(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_repeat_be` is never used
[INFO] [stdout]   --> src/decompression/command_callbacks.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn xor_repeat_be(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compression/history_table.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(source: &[u8]) -> HistoryTable {
[INFO] [stdout]    |                        ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(source: &[u8]) -> HistoryTable<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/compression/strategies.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for i in 0..num_iterations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_block_size` is never read
[INFO] [stdout]  --> src/compression/command.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CommandConfiguration {
[INFO] [stdout]   |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub max_block_size: 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: function `repeat_be` is never used
[INFO] [stdout]   --> src/decompression/command_callbacks.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn repeat_be(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_repeat_be` is never used
[INFO] [stdout]   --> src/decompression/command_callbacks.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn xor_repeat_be(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compression/history_table.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(source: &[u8]) -> HistoryTable {
[INFO] [stdout]    |                        ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(source: &[u8]) -> HistoryTable<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "324f7a0ab68d44d3dc42ccb12ef02518f384d0badc3f476a35fe5c950f4c4552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324f7a0ab68d44d3dc42ccb12ef02518f384d0badc3f476a35fe5c950f4c4552", kill_on_drop: false }`
[INFO] [stdout] 324f7a0ab68d44d3dc42ccb12ef02518f384d0badc3f476a35fe5c950f4c4552
