[INFO] fetching crate str 0.1.4...
[INFO] testing str-0.1.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate str 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate str 0.1.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate str 0.1.4
[INFO] finished tweaking crates.io crate str 0.1.4
[INFO] tweaked toml for crates.io crate str 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a38967abb11c676d4838f3f0d932b733743b4251daf6c8d3e1fe63f86aa97314
[INFO] running `Command { std: "docker" "start" "-a" "a38967abb11c676d4838f3f0d932b733743b4251daf6c8d3e1fe63f86aa97314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38967abb11c676d4838f3f0d932b733743b4251daf6c8d3e1fe63f86aa97314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38967abb11c676d4838f3f0d932b733743b4251daf6c8d3e1fe63f86aa97314", kill_on_drop: false }`
[INFO] [stdout] a38967abb11c676d4838f3f0d932b733743b4251daf6c8d3e1fe63f86aa97314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e62f36e1c7e2bc7f6ef452510e5fcef91a583516cfaa9199ccd106e21732af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13e62f36e1c7e2bc7f6ef452510e5fcef91a583516cfaa9199ccd106e21732af", kill_on_drop: false }`
[INFO] [stderr]    Compiling str v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "13e62f36e1c7e2bc7f6ef452510e5fcef91a583516cfaa9199ccd106e21732af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e62f36e1c7e2bc7f6ef452510e5fcef91a583516cfaa9199ccd106e21732af", kill_on_drop: false }`
[INFO] [stdout] 13e62f36e1c7e2bc7f6ef452510e5fcef91a583516cfaa9199ccd106e21732af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9a9332dc691cdb08fc954d55502570d025f640a27d7c84d8b9de70a7453a613
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9a9332dc691cdb08fc954d55502570d025f640a27d7c84d8b9de70a7453a613", kill_on_drop: false }`
[INFO] [stderr]    Compiling str v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "b9a9332dc691cdb08fc954d55502570d025f640a27d7c84d8b9de70a7453a613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a9332dc691cdb08fc954d55502570d025f640a27d7c84d8b9de70a7453a613", kill_on_drop: false }`
[INFO] [stdout] b9a9332dc691cdb08fc954d55502570d025f640a27d7c84d8b9de70a7453a613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3aed7bcf325d9da22588722f4f6d8e62e54cbc445897186dbcfbe4bde74b9efb
[INFO] running `Command { std: "docker" "start" "-a" "3aed7bcf325d9da22588722f4f6d8e62e54cbc445897186dbcfbe4bde74b9efb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/str-85e1574bc3d767a9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - Str::capacity (line 288) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - Str (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Str (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Str (line 148) ... ok
[INFO] [stdout] test src/lib.rs - Str (line 176) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_slice (line 519) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_mut_slice (line 540) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_vec (line 564) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_mut_vec (line 585) ... ok
[INFO] [stdout] test src/lib.rs - Str (line 88) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_bytes (line 497) ... ok
[INFO] [stdout] test src/lib.rs - Str (line 117) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_ptr (line 433) ... ok
[INFO] [stdout] test src/lib.rs - Str::from_raw_parts (line 469) ... ok
[INFO] [stdout] test src/lib.rs - Str::new (line 224) ... ok
[INFO] [stdout] test src/lib.rs - Str::reserve (line 319) ... ok
[INFO] [stdout] test src/lib.rs - Str::reserve (line 331) ... ok
[INFO] [stdout] test src/lib.rs - Str::with_capacity (line 256) ... ok
[INFO] [stdout] test src/lib.rs - Str::shrink_to_fit (line 409) ... ok
[INFO] [stdout] test src/lib.rs - Str::reserve_exact (line 381) ... ok
[INFO] [stdout] test src/lib.rs - Str::reserve_exact (line 369) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3aed7bcf325d9da22588722f4f6d8e62e54cbc445897186dbcfbe4bde74b9efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aed7bcf325d9da22588722f4f6d8e62e54cbc445897186dbcfbe4bde74b9efb", kill_on_drop: false }`
[INFO] [stdout] 3aed7bcf325d9da22588722f4f6d8e62e54cbc445897186dbcfbe4bde74b9efb