[INFO] crate rustdoc-stripper 0.1.9 is already in cache
[INFO] checking rustdoc-stripper-0.1.9 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate rustdoc-stripper 0.1.9 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustdoc-stripper 0.1.9 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustdoc-stripper 0.1.9
[INFO] finished tweaking crates.io crate rustdoc-stripper 0.1.9
[INFO] tweaked toml for crates.io crate rustdoc-stripper 0.1.9 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rustdoc-stripper 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 404a550fe04428ef4dffd1e5d6e2b18ebd9cfa898ce12526cf4395037c9b8d7d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "404a550fe04428ef4dffd1e5d6e2b18ebd9cfa898ce12526cf4395037c9b8d7d"`
[INFO] [stderr]     Checking rustdoc-stripper v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/types.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 try!(sub_call(f, p.borrow(), true));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     try!(writeln!(w, "{}{}{}", MOD_COMMENT, id, END_INFO));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/types.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 try!(sub_call(f, p.borrow(), true));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     try!(writeln!(w, "{}{}{}", MOD_COMMENT, id, END_INFO));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `"docker" "inspect" "404a550fe04428ef4dffd1e5d6e2b18ebd9cfa898ce12526cf4395037c9b8d7d"`
[INFO] running `"docker" "rm" "-f" "404a550fe04428ef4dffd1e5d6e2b18ebd9cfa898ce12526cf4395037c9b8d7d"`
[INFO] [stdout] 404a550fe04428ef4dffd1e5d6e2b18ebd9cfa898ce12526cf4395037c9b8d7d