[INFO] fetching crate std_helper 0.1.0...
[INFO] testing std_helper-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate std_helper 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate std_helper 0.1.0
[INFO] finished tweaking crates.io crate std_helper 0.1.0
[INFO] tweaked toml for crates.io crate std_helper 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate std_helper 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d5471f2257c07a4a7595c83071044f6797a4359130fb904b0706d489d34c28a
[INFO] running `Command { std: "docker" "start" "-a" "4d5471f2257c07a4a7595c83071044f6797a4359130fb904b0706d489d34c28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d5471f2257c07a4a7595c83071044f6797a4359130fb904b0706d489d34c28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5471f2257c07a4a7595c83071044f6797a4359130fb904b0706d489d34c28a", kill_on_drop: false }`
[INFO] [stdout] 4d5471f2257c07a4a7595c83071044f6797a4359130fb904b0706d489d34c28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53e2ec29521bdabb57e65cefe6bc2481e39305d8031a7a9e49ffd8eddbb6d270
[INFO] running `Command { std: "docker" "start" "-a" "53e2ec29521bdabb57e65cefe6bc2481e39305d8031a7a9e49ffd8eddbb6d270", kill_on_drop: false }`
[INFO] [stderr]    Compiling std_helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "53e2ec29521bdabb57e65cefe6bc2481e39305d8031a7a9e49ffd8eddbb6d270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e2ec29521bdabb57e65cefe6bc2481e39305d8031a7a9e49ffd8eddbb6d270", kill_on_drop: false }`
[INFO] [stdout] 53e2ec29521bdabb57e65cefe6bc2481e39305d8031a7a9e49ffd8eddbb6d270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41152234a4d6c44b422046ab47e5861df0a1eacd9fdce9c5435190be52f814c5
[INFO] running `Command { std: "docker" "start" "-a" "41152234a4d6c44b422046ab47e5861df0a1eacd9fdce9c5435190be52f814c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling std_helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "41152234a4d6c44b422046ab47e5861df0a1eacd9fdce9c5435190be52f814c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41152234a4d6c44b422046ab47e5861df0a1eacd9fdce9c5435190be52f814c5", kill_on_drop: false }`
[INFO] [stdout] 41152234a4d6c44b422046ab47e5861df0a1eacd9fdce9c5435190be52f814c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d095bb61d0e3774da8e28b7dd21de8360ed5c5f3d9fea6130be2aea84f8e5afe
[INFO] running `Command { std: "docker" "start" "-a" "d095bb61d0e3774da8e28b7dd21de8360ed5c5f3d9fea6130be2aea84f8e5afe", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/std_helper-19e9ad8ddc6b9b98)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/str_helper.rs (/opt/rustwide/target/debug/deps/str_helper-aad6713db297450e)
[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 8 tests
[INFO] [stdout] test insert_test ... ok
[INFO] [stdout] test base_fns_test ... ok
[INFO] [stdout] test macro_test ... ok
[INFO] [stdout] test init_helper ... ok
[INFO] [stdout] test remove_test ... ok
[INFO] [stdout] test move_test ... ok
[INFO] [stdout] test split_at_test ... ok
[INFO] [stdout] test split_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests std_helper
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::from_chars (line 95) ... ok
[INFO] [stdout] test src/string/move_to.rs - string::move_to::StrHelper::move_to (line 7) ... ok
[INFO] [stdout] test src/string/mod.rs - string::str (line 143) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::reverse (line 127) ... ok
[INFO] [stdout] test src/string/move_to.rs - string::move_to::StrHelper::move_to_the_beginning (line 53) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::from_chars_vector (line 78) ... ok
[INFO] [stdout] test src/string/insert.rs - string::insert::StrHelper::insert_at_the_beginning (line 38) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper (line 14) ... ok
[INFO] [stdout] test src/string/insert.rs - string::insert::StrHelper::insert (line 7) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::new (line 38) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::empty (line 51) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::from_string (line 65) ... ok
[INFO] [stdout] test src/string/split/mod.rs - string::split::StrHelper::split (line 10) ... ok
[INFO] [stdout] test src/string/base.rs - string::base::StrHelper::contains (line 22) ... ok
[INFO] [stdout] test src/string/move_to.rs - string::move_to::StrHelper::move_to_the_end (line 83) ... ok
[INFO] [stdout] test src/string/split/mod.rs - string::split::StrHelper::split_and_get_first (line 48) ... ok
[INFO] [stdout] test src/string/insert.rs - string::insert::StrHelper::push (line 61) ... ok
[INFO] [stdout] test src/string/mod.rs - string::StrHelper::update (line 112) ... ok
[INFO] [stdout] test src/string/move_to.rs - string::move_to::StrHelper::switch_beginning_and_end (line 113) ... ok
[INFO] [stdout] test src/string/remove.rs - string::remove::StrHelper::remove_at (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/string/split/mod.rs - string::split::StrHelper::split_and_get (line 29) ... ok
[INFO] [stdout] test src/string/split/str.rs - string::split::str::StrHelper::split_str (line 7) ... ok
[INFO] [stdout] test src/string/remove.rs - string::remove::StrHelper::remove (line 7) ... ok
[INFO] [stdout] test src/string/split/mod.rs - string::split::StrHelper::split_and_get_last (line 64) ... ok
[INFO] [stdout] test src/string/split/mod.rs - string::split::StrHelper::split_on_the_sides (line 83) ... ok
[INFO] [stdout] test src/string/split/str.rs - string::split::str::StrHelper::split_and_get_first_str (line 47) ... ok
[INFO] [stdout] test src/string/split_at/mod.rs - string::split_at::StrHelper::split_on_the_sides_at (line 30) ... ok
[INFO] [stdout] test src/string/split/string.rs - string::split::string::StrHelper::split_and_get_last_string (line 65) ... ok
[INFO] [stdout] test src/string/split_at/mod.rs - string::split_at::StrHelper::split_at (line 10) ... ok
[INFO] [stdout] test src/string/split/str.rs - string::split::str::StrHelper::split_and_get_str (line 28) ... ok
[INFO] [stdout] test src/string/split/str.rs - string::split::str::StrHelper::split_str_on_the_sides (line 82) ... ok
[INFO] [stdout] test src/string/split/string.rs - string::split::string::StrHelper::split_and_get_first_string (line 49) ... ok
[INFO] [stdout] test src/string/split/string.rs - string::split::string::StrHelper::split_and_get_string (line 26) ... ok
[INFO] [stdout] test src/string/split/string.rs - string::split::string::StrHelper::split_string (line 7) ... ok
[INFO] [stdout] test src/string/split_at/str.rs - string::split_at::str::StrHelper::split_str_at (line 7) ... ok
[INFO] [stdout] test src/string/split/string.rs - string::split::string::StrHelper::split_string_on_the_sides (line 87) ... ok
[INFO] [stdout] test src/string/split_at/str.rs - string::split_at::str::StrHelper::split_str_on_the_sides_at (line 27) ... ok
[INFO] [stdout] test src/string/split/str.rs - string::split::str::StrHelper::split_and_get_last_str (line 63) ... ok
[INFO] [stdout] test src/string/split_at/string.rs - string::split_at::string::StrHelper::split_string_on_the_sides_at (line 27) ... ok
[INFO] [stdout] test src/string/split_at/string.rs - string::split_at::string::StrHelper::split_string_at (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d095bb61d0e3774da8e28b7dd21de8360ed5c5f3d9fea6130be2aea84f8e5afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d095bb61d0e3774da8e28b7dd21de8360ed5c5f3d9fea6130be2aea84f8e5afe", kill_on_drop: false }`
[INFO] [stdout] d095bb61d0e3774da8e28b7dd21de8360ed5c5f3d9fea6130be2aea84f8e5afe