[INFO] fetching crate rcstring 0.2.1...
[INFO] testing rcstring-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rcstring 0.2.1 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate rcstring 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcstring 0.2.1
[INFO] finished tweaking crates.io crate rcstring 0.2.1
[INFO] tweaked toml for crates.io crate rcstring 0.2.1 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95fe2a396c9cfef5f333da7e186705ddcb06ee1299e1b07f20ce004c99bd78fc
[INFO] running `Command { std: "docker" "start" "-a" "95fe2a396c9cfef5f333da7e186705ddcb06ee1299e1b07f20ce004c99bd78fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95fe2a396c9cfef5f333da7e186705ddcb06ee1299e1b07f20ce004c99bd78fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fe2a396c9cfef5f333da7e186705ddcb06ee1299e1b07f20ce004c99bd78fc", kill_on_drop: false }`
[INFO] [stdout] 95fe2a396c9cfef5f333da7e186705ddcb06ee1299e1b07f20ce004c99bd78fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab949d12aef216d12db219187d0eb776eb1037fbc8100ffa3e32d55906620883
[INFO] running `Command { std: "docker" "start" "-a" "ab949d12aef216d12db219187d0eb776eb1037fbc8100ffa3e32d55906620883", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcstring v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "ab949d12aef216d12db219187d0eb776eb1037fbc8100ffa3e32d55906620883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab949d12aef216d12db219187d0eb776eb1037fbc8100ffa3e32d55906620883", kill_on_drop: false }`
[INFO] [stdout] ab949d12aef216d12db219187d0eb776eb1037fbc8100ffa3e32d55906620883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f82ea282c4e9ad824cd5008eab382064a2a5ad972f949dcce0deb88b059bd1f
[INFO] running `Command { std: "docker" "start" "-a" "6f82ea282c4e9ad824cd5008eab382064a2a5ad972f949dcce0deb88b059bd1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcstring v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "6f82ea282c4e9ad824cd5008eab382064a2a5ad972f949dcce0deb88b059bd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f82ea282c4e9ad824cd5008eab382064a2a5ad972f949dcce0deb88b059bd1f", kill_on_drop: false }`
[INFO] [stdout] 6f82ea282c4e9ad824cd5008eab382064a2a5ad972f949dcce0deb88b059bd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71e2517a4538902a379d76dfe34d9b5a85b9ee7f1942523f02fb5588ff19e520
[INFO] running `Command { std: "docker" "start" "-a" "71e2517a4538902a379d76dfe34d9b5a85b9ee7f1942523f02fb5588ff19e520", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcstring-9d89b32b57d58269)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::cmp ... ok
[INFO] [stdout] test test::cstring_len ... ok
[INFO] [stdout] test test::eq ... ok
[INFO] [stdout] test test::from_cstring ... ok
[INFO] [stdout] test test::new_cstring ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcstring
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - CString::new (line 106) ... ok
[INFO] [stdout] test src/lib.rs - cstr (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71e2517a4538902a379d76dfe34d9b5a85b9ee7f1942523f02fb5588ff19e520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e2517a4538902a379d76dfe34d9b5a85b9ee7f1942523f02fb5588ff19e520", kill_on_drop: false }`
[INFO] [stdout] 71e2517a4538902a379d76dfe34d9b5a85b9ee7f1942523f02fb5588ff19e520