[INFO] cloning repository https://github.com/rail44/neu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rail44/neu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c85c12e09bd9cf7b5f1da84612b50f7682f9c65
[INFO] checking rail44/neu against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rail44/neu 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 git repo https://github.com/rail44/neu
[INFO] finished tweaking git repo https://github.com/rail44/neu
[INFO] tweaked toml for git repo https://github.com/rail44/neu written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/rail44/neu already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded nanorand v0.5.2
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[INFO] [stderr]   Downloaded sharded-slab v0.1.3
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[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded flume v0.10.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 30f27784c974b3b3ff0dab8bc4a3ca3796fd25428c27d87f7c2d1a9f3b74e908
[INFO] running `Command { std: "docker" "start" "-a" "30f27784c974b3b3ff0dab8bc4a3ca3796fd25428c27d87f7c2d1a9f3b74e908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f27784c974b3b3ff0dab8bc4a3ca3796fd25428c27d87f7c2d1a9f3b74e908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f27784c974b3b3ff0dab8bc4a3ca3796fd25428c27d87f7c2d1a9f3b74e908", kill_on_drop: false }`
[INFO] [stdout] 30f27784c974b3b3ff0dab8bc4a3ca3796fd25428c27d87f7c2d1a9f3b74e908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 52fd06e256bfffb70738a3f95911b4ee350df34b9290b3db4d40183ec3998ef3
[INFO] running `Command { std: "docker" "start" "-a" "52fd06e256bfffb70738a3f95911b4ee350df34b9290b3db4d40183ec3998ef3", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   getrandom v0.2.3: std
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.66
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[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking ropey v1.3.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling nom v6.1.2
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[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]    Compiling tree-sitter v0.19.5
[INFO] [stderr]    Compiling tree-sitter-rust v0.19.0
[INFO] [stderr]    Compiling tree-sitter-javascript v0.19.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking termion v1.5.6
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[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking flume v0.10.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking neu v0.0.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/action.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_update`
[INFO] [stdout]   --> src/compute.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/selection.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/action.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_update`
[INFO] [stdout]   --> src/compute.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/selection.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.79s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking nanorand v0.5.2
[INFO] [stderr]     Checking flume v0.10.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking neu v0.0.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/action.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_update`
[INFO] [stdout]   --> src/compute.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/selection.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/action.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_update`
[INFO] [stdout]   --> src/compute.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/selection.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stdout]    |                   ^^^
[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 31.59s
[INFO] running `Command { std: "docker" "inspect" "52fd06e256bfffb70738a3f95911b4ee350df34b9290b3db4d40183ec3998ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fd06e256bfffb70738a3f95911b4ee350df34b9290b3db4d40183ec3998ef3", kill_on_drop: false }`
[INFO] [stdout] 52fd06e256bfffb70738a3f95911b4ee350df34b9290b3db4d40183ec3998ef3