[INFO] cloning repository https://github.com/b-r-oleary/squirrel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b-r-oleary/squirrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-r-oleary%2Fsquirrel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-r-oleary%2Fsquirrel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c3b29126799eb721d1b350df1e3c621a3a45162
[INFO] checking b-r-oleary/squirrel against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-r-oleary%2Fsquirrel" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/b-r-oleary/squirrel
[INFO] finished tweaking git repo https://github.com/b-r-oleary/squirrel
[INFO] tweaked toml for git repo https://github.com/b-r-oleary/squirrel written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/b-r-oleary/squirrel on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/b-r-oleary/squirrel 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48d0a4a849a79245683f81ea733b585bc81435f5bd6f09bbc644c29c301bef5f
[INFO] running `Command { std: "docker" "start" "-a" "48d0a4a849a79245683f81ea733b585bc81435f5bd6f09bbc644c29c301bef5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d0a4a849a79245683f81ea733b585bc81435f5bd6f09bbc644c29c301bef5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d0a4a849a79245683f81ea733b585bc81435f5bd6f09bbc644c29c301bef5f", kill_on_drop: false }`
[INFO] [stdout] 48d0a4a849a79245683f81ea733b585bc81435f5bd6f09bbc644c29c301bef5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758c8fbfd5ae6e5f79677dc8a82ad2ba55e8e153e67f6454b14528f25e4869ce
[INFO] running `Command { std: "docker" "start" "-a" "758c8fbfd5ae6e5f79677dc8a82ad2ba55e8e153e67f6454b14528f25e4869ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking sqlparser v0.4.0
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking squirrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Join` and `TableFactor`
[INFO] [stdout]  --> src/format/select.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sqlparser::ast::{Select, SelectItem, TableWithJoins, TableFactor, Join};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SelectItem` and `Select`
[INFO] [stdout]  --> src/format/query.rs:2:56
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sqlparser::ast::{Query, Fetch, Expr, Cte, SetExpr, Select, OrderByExpr, TableAlias, Ident, SelectItem};
[INFO] [stdout]   |                                                        ^^^^^^                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Join` and `TableFactor`
[INFO] [stdout]  --> src/format/select.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sqlparser::ast::{Select, SelectItem, TableWithJoins, TableFactor, Join};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SelectItem` and `Select`
[INFO] [stdout]  --> src/format/query.rs:2:56
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sqlparser::ast::{Query, Fetch, Expr, Cte, SetExpr, Select, OrderByExpr, TableAlias, Ident, SelectItem};
[INFO] [stdout]   |                                                        ^^^^^^                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/format/select.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/format/select.rs:116:37
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/format/select.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/format/select.rs:116:37
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/format/query.rs:120:22
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/format/query.rs:120:37
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/format/query.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/format/query.rs:126:37
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/format/query.rs:120:22
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/format/query.rs:120:37
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/format/query.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/format/query.rs:126:37
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn format(&self, opt: &Options, indent: usize) -> String {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[structopt(name = "FILE")]
[INFO] [stdout] 13 | |     file_name: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `squirrel` (bin "squirrel") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[structopt(name = "FILE")]
[INFO] [stdout] 13 | |     file_name: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `squirrel` (bin "squirrel" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "758c8fbfd5ae6e5f79677dc8a82ad2ba55e8e153e67f6454b14528f25e4869ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758c8fbfd5ae6e5f79677dc8a82ad2ba55e8e153e67f6454b14528f25e4869ce", kill_on_drop: false }`
[INFO] [stdout] 758c8fbfd5ae6e5f79677dc8a82ad2ba55e8e153e67f6454b14528f25e4869ce