[INFO] cloning repository https://github.com/CRefice/reel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CRefice/reel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRefice%2Freel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRefice%2Freel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb50def7c3de4d14140772719e43d45af1d07547
[INFO] checking CRefice/reel against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRefice%2Freel" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CRefice/reel
[INFO] finished tweaking git repo https://github.com/CRefice/reel
[INFO] tweaked toml for git repo https://github.com/CRefice/reel written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CRefice/reel on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CRefice/reel 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded dirs v2.0.1
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded rustyline v5.0.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6
[INFO] running `Command { std: "docker" "start" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking rustyline v5.0.0
[INFO] [stderr]     Checking oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]    --> src/compile.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 653 |     Conversion {
[INFO] [stdout]     |     ---------- field in this variant
[INFO] [stdout] 654 |         loc: SourceLocation,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `len` are never read
[INFO] [stdout]  --> src/loc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct SourceLocation {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 3 |     pub offset: usize,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 4 |     pub len: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SourceLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `text`, `split_source`, `context`, and `end_offset` are never used
[INFO] [stdout]   --> src/loc.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl SourceLocation {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout]  8 |     /// Return the section of `source` corresponding to this location.
[INFO] [stdout]  9 |     pub fn text<'a>(&self, source: &'a str) -> &'a str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn split_source<'a>(&self, source: &'a str) -> (&'a str, &'a str, &'a str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn context(self, source: &str) -> (&str, SourceLocation) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn end_offset(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Locate` is never used
[INFO] [stdout]   --> src/loc.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Locate {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TryLocate` is never used
[INFO] [stdout]   --> src/loc.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait TryLocate {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]    --> src/scan.rs:288:5
[INFO] [stdout]     |
[INFO] [stdout] 286 | pub struct Error {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 287 |     kind: ErrorKind,
[INFO] [stdout] 288 |     loc: SourceLocation,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]    --> src/compile.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 653 |     Conversion {
[INFO] [stdout]     |     ---------- field in this variant
[INFO] [stdout] 654 |         loc: SourceLocation,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `len` are never read
[INFO] [stdout]  --> src/loc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct SourceLocation {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 3 |     pub offset: usize,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 4 |     pub len: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SourceLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `text`, `split_source`, `context`, and `end_offset` are never used
[INFO] [stdout]   --> src/loc.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl SourceLocation {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout]  8 |     /// Return the section of `source` corresponding to this location.
[INFO] [stdout]  9 |     pub fn text<'a>(&self, source: &'a str) -> &'a str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn split_source<'a>(&self, source: &'a str) -> (&'a str, &'a str, &'a str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn context(self, source: &str) -> (&str, SourceLocation) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn end_offset(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Locate` is never used
[INFO] [stdout]   --> src/loc.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Locate {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TryLocate` is never used
[INFO] [stdout]   --> src/loc.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait TryLocate {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]    --> src/scan.rs:288:5
[INFO] [stdout]     |
[INFO] [stdout] 286 | pub struct Error {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 287 |     kind: ErrorKind,
[INFO] [stdout] 288 |     loc: SourceLocation,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6", kill_on_drop: false }`
[INFO] [stdout] ad3450505ded687de2af1c5444d7f3ca3319396d9d2f5cfeaec108c04b5229c6
