[INFO] fetching crate xsnappy 0.1.0...
[INFO] checking xsnappy-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate xsnappy 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate xsnappy 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c43872c12b3034e738a1b12523673185134d435c306d209308de56cce7b988
[INFO] running `Command { std: "docker" "start" "-a" "71c43872c12b3034e738a1b12523673185134d435c306d209308de56cce7b988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c43872c12b3034e738a1b12523673185134d435c306d209308de56cce7b988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c43872c12b3034e738a1b12523673185134d435c306d209308de56cce7b988", kill_on_drop: false }`
[INFO] [stdout] 71c43872c12b3034e738a1b12523673185134d435c306d209308de56cce7b988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38dd212e25ff5a7bafbe7ee276d365de5543f612ed6b83ca0c783216ad5f21d7
[INFO] running `Command { std: "docker" "start" "-a" "38dd212e25ff5a7bafbe7ee276d365de5543f612ed6b83ca0c783216ad5f21d7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking xsnappy v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/encode.rs (1 fix)
[INFO] [stderr]        Fixed src/decode.rs (4 fixes)
[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: 3 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking xsnappy v0.1.0 (/tmp/fixit)
[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 `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: 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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "38dd212e25ff5a7bafbe7ee276d365de5543f612ed6b83ca0c783216ad5f21d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38dd212e25ff5a7bafbe7ee276d365de5543f612ed6b83ca0c783216ad5f21d7", kill_on_drop: false }`
[INFO] [stdout] 38dd212e25ff5a7bafbe7ee276d365de5543f612ed6b83ca0c783216ad5f21d7