[INFO] fetching crate rlocc 0.2.1...
[INFO] building rlocc-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rlocc 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rlocc 0.2.1
[INFO] finished tweaking crates.io crate rlocc 0.2.1
[INFO] tweaked toml for crates.io crate rlocc 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlocc 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rlocc 0.2.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 589cc64b53b90018f8a4e2041a015744d8739c7761d999eb703d07af42f68dff
[INFO] running `Command { std: "docker" "start" "-a" "589cc64b53b90018f8a4e2041a015744d8739c7761d999eb703d07af42f68dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "589cc64b53b90018f8a4e2041a015744d8739c7761d999eb703d07af42f68dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589cc64b53b90018f8a4e2041a015744d8739c7761d999eb703d07af42f68dff", kill_on_drop: false }`
[INFO] [stdout] 589cc64b53b90018f8a4e2041a015744d8739c7761d999eb703d07af42f68dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01392cc00971981971e2aa3845d69a9d2e5ef31646eab80f2e20ecbe8abb6631
[INFO] running `Command { std: "docker" "start" "-a" "01392cc00971981971e2aa3845d69a9d2e5ef31646eab80f2e20ecbe8abb6631", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling rlocc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]   --> src/locc/mod.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[macro_use]` can be applied to modules, extern crates, and crates
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/locc/count.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount> {
[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] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount<'_>> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "01392cc00971981971e2aa3845d69a9d2e5ef31646eab80f2e20ecbe8abb6631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01392cc00971981971e2aa3845d69a9d2e5ef31646eab80f2e20ecbe8abb6631", kill_on_drop: false }`
[INFO] [stdout] 01392cc00971981971e2aa3845d69a9d2e5ef31646eab80f2e20ecbe8abb6631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0c126882a9a1f19a769b0a5e834e16f5bf30ffdcacb4127e557ad8d62e642ed
[INFO] running `Command { std: "docker" "start" "-a" "a0c126882a9a1f19a769b0a5e834e16f5bf30ffdcacb4127e557ad8d62e642ed", kill_on_drop: false }`
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]   --> src/locc/mod.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[macro_use]` can be applied to modules, extern crates, and crates
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/locc/count.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount> {
[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] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount<'_>> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlocc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]   --> src/locc/mod.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[macro_use]` can be applied to modules, extern crates, and crates
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]    --> src/locc/states.rs:460:12
[INFO] [stdout]     |
[INFO] [stdout] 460 |     struct A<'a> {
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/locc/states.rs:468:12
[INFO] [stdout]     |
[INFO] [stdout] 466 |     impl A<'_> {
[INFO] [stdout]     |     ---------- associated function in this implementation
[INFO] [stdout] 467 |         #[inline]
[INFO] [stdout] 468 |         fn new(lang: &'static Language) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_initial_empty_line` is never used
[INFO] [stdout]    --> src/locc/states.rs:480:8
[INFO] [stdout]     |
[INFO] [stdout] 480 |     fn state_initial_empty_line() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/locc/count.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount> {
[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] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount<'_>> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "a0c126882a9a1f19a769b0a5e834e16f5bf30ffdcacb4127e557ad8d62e642ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c126882a9a1f19a769b0a5e834e16f5bf30ffdcacb4127e557ad8d62e642ed", kill_on_drop: false }`
[INFO] [stdout] a0c126882a9a1f19a769b0a5e834e16f5bf30ffdcacb4127e557ad8d62e642ed