[INFO] fetching crate string2 0.1.4...
[INFO] testing string2-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate string2 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate string2 0.1.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string2 0.1.4
[INFO] finished tweaking crates.io crate string2 0.1.4
[INFO] tweaked toml for crates.io crate string2 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3bc26d7fb7ee8678dbe3fada7c016bea730f36b41b733c43f7b078062fcbcce
[INFO] running `Command { std: "docker" "start" "-a" "a3bc26d7fb7ee8678dbe3fada7c016bea730f36b41b733c43f7b078062fcbcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3bc26d7fb7ee8678dbe3fada7c016bea730f36b41b733c43f7b078062fcbcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bc26d7fb7ee8678dbe3fada7c016bea730f36b41b733c43f7b078062fcbcce", kill_on_drop: false }`
[INFO] [stdout] a3bc26d7fb7ee8678dbe3fada7c016bea730f36b41b733c43f7b078062fcbcce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1e7c2bb3f06c68934d7b73f83a3b3f43a291a91a5f78a7d0b1e3876637ab3aa
[INFO] running `Command { std: "docker" "start" "-a" "f1e7c2bb3f06c68934d7b73f83a3b3f43a291a91a5f78a7d0b1e3876637ab3aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling string2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f1e7c2bb3f06c68934d7b73f83a3b3f43a291a91a5f78a7d0b1e3876637ab3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e7c2bb3f06c68934d7b73f83a3b3f43a291a91a5f78a7d0b1e3876637ab3aa", kill_on_drop: false }`
[INFO] [stdout] f1e7c2bb3f06c68934d7b73f83a3b3f43a291a91a5f78a7d0b1e3876637ab3aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87987595f6bd3d3fa1da381501fa21c5d4042145914dd5e6d27639979977c210
[INFO] running `Command { std: "docker" "start" "-a" "87987595f6bd3d3fa1da381501fa21c5d4042145914dd5e6d27639979977c210", kill_on_drop: false }`
[INFO] [stderr]    Compiling string2 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "87987595f6bd3d3fa1da381501fa21c5d4042145914dd5e6d27639979977c210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87987595f6bd3d3fa1da381501fa21c5d4042145914dd5e6d27639979977c210", kill_on_drop: false }`
[INFO] [stdout] 87987595f6bd3d3fa1da381501fa21c5d4042145914dd5e6d27639979977c210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38a5518eaf8b41687cd7a34246647a1a7d98e127ac5a7e13506df042269d4405
[INFO] running `Command { std: "docker" "start" "-a" "38a5518eaf8b41687cd7a34246647a1a7d98e127ac5a7e13506df042269d4405", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string2-8d4859e158b8be08)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string2
[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 - String2::new (line 224) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve_exact (line 369) ... ok
[INFO] [stdout] test src/lib.rs - String2::capacity (line 288) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - String2::with_capacity (line 256) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 61) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_ptr (line 433) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve (line 331) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve (line 319) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 176) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 148) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 88) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_slice (line 519) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - String2::shrink_to_fit (line 409) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_vec (line 564) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_mut_vec (line 585) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_mut_slice (line 540) ... ok
[INFO] [stdout] test src/lib.rs - String2::from_raw_parts (line 469) ... ok
[INFO] [stdout] test src/lib.rs - String2 (line 117) ... ok
[INFO] [stdout] test src/lib.rs - String2::as_bytes (line 497) ... ok
[INFO] [stdout] test src/lib.rs - String2::reserve_exact (line 381) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38a5518eaf8b41687cd7a34246647a1a7d98e127ac5a7e13506df042269d4405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a5518eaf8b41687cd7a34246647a1a7d98e127ac5a7e13506df042269d4405", kill_on_drop: false }`
[INFO] [stdout] 38a5518eaf8b41687cd7a34246647a1a7d98e127ac5a7e13506df042269d4405