[INFO] fetching crate BuildEAR 3.1.0...
[INFO] checking BuildEAR-3.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate BuildEAR 3.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate BuildEAR 3.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate BuildEAR 3.1.0
[INFO] finished tweaking crates.io crate BuildEAR 3.1.0
[INFO] tweaked toml for crates.io crate BuildEAR 3.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93c07ac4e78027b1861effde0ec79815f63a718d24ea87b29f8e3bd89a8a2c0a
[INFO] running `"docker" "start" "-a" "93c07ac4e78027b1861effde0ec79815f63a718d24ea87b29f8e3bd89a8a2c0a"`
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking BuildEAR v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn write(target: &mut io::Write, value: &Trace) -> Result<()> {
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn read(source: &mut io::Read) -> Result<Trace> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/database.rs:86:41
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn load(&mut self, source: &mut io::Read) -> Result<()> {
[INFO] [stderr]    |                                         ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/database.rs:92:37
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn save(&self, target: &mut io::Write) -> Result<()> {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn write(target: &mut io::Write, value: &Trace) -> Result<()> {
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn read(source: &mut io::Read) -> Result<Trace> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/database.rs:86:41
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn load(&mut self, source: &mut io::Read) -> Result<()> {
[INFO] [stderr]    |                                         ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/database.rs:92:37
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn save(&self, target: &mut io::Write) -> Result<()> {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `compiler`
[INFO] [stderr]   --> src/compilation.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     compiler: path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `phase`
[INFO] [stderr]   --> src/compilation.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     phase: CompilerPass,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `flags`
[INFO] [stderr]   --> src/compilation.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     flags: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `source`
[INFO] [stderr]   --> src/compilation.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     source: path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `output`
[INFO] [stderr]   --> src/compilation.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     output: Option<path::PathBuf>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cwd`
[INFO] [stderr]   --> src/compilation.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     cwd: path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `compiler`
[INFO] [stderr]   --> src/compilation.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     compiler: path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `phase`
[INFO] [stderr]   --> src/compilation.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     phase: CompilerPass,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `flags`
[INFO] [stderr]   --> src/compilation.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     flags: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `source`
[INFO] [stderr]   --> src/compilation.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     source: path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `output`
[INFO] [stderr]   --> src/compilation.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     output: Option<path::PathBuf>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cwd`
[INFO] [stderr]   --> src/compilation.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     cwd: path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `"docker" "inspect" "93c07ac4e78027b1861effde0ec79815f63a718d24ea87b29f8e3bd89a8a2c0a"`
[INFO] running `"docker" "rm" "-f" "93c07ac4e78027b1861effde0ec79815f63a718d24ea87b29f8e3bd89a8a2c0a"`
[INFO] [stdout] 93c07ac4e78027b1861effde0ec79815f63a718d24ea87b29f8e3bd89a8a2c0a