[INFO] fetching crate string-alloc 0.0.3...
[INFO] testing string-alloc-0.0.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate string-alloc 0.0.3 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate string-alloc 0.0.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate string-alloc 0.0.3
[INFO] tweaked toml for crates.io crate string-alloc 0.0.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-alloc 0.0.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate string-alloc 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588a499bc2a12e1e918a69b85669d09fc3bf87beac2724990a76ea568b391cd2
[INFO] running `Command { std: "docker" "start" "-a" "588a499bc2a12e1e918a69b85669d09fc3bf87beac2724990a76ea568b391cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588a499bc2a12e1e918a69b85669d09fc3bf87beac2724990a76ea568b391cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588a499bc2a12e1e918a69b85669d09fc3bf87beac2724990a76ea568b391cd2", kill_on_drop: false }`
[INFO] [stdout] 588a499bc2a12e1e918a69b85669d09fc3bf87beac2724990a76ea568b391cd2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7016213759f907932b3bf39fc80bc8bf0b1e7f5e069e1b85b2967eaf652f8bf
[INFO] running `Command { std: "docker" "start" "-a" "d7016213759f907932b3bf39fc80bc8bf0b1e7f5e069e1b85b2967eaf652f8bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-alloc v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d7016213759f907932b3bf39fc80bc8bf0b1e7f5e069e1b85b2967eaf652f8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7016213759f907932b3bf39fc80bc8bf0b1e7f5e069e1b85b2967eaf652f8bf", kill_on_drop: false }`
[INFO] [stdout] d7016213759f907932b3bf39fc80bc8bf0b1e7f5e069e1b85b2967eaf652f8bf
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cce73372c323de935ac4deed3d20e717957553d3d180459cef37ebe34783a84
[INFO] running `Command { std: "docker" "start" "-a" "1cce73372c323de935ac4deed3d20e717957553d3d180459cef37ebe34783a84", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling string-alloc v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `allocator_api` is declared but not used
[INFO] [stdout]  --> tests/serde.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "1cce73372c323de935ac4deed3d20e717957553d3d180459cef37ebe34783a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cce73372c323de935ac4deed3d20e717957553d3d180459cef37ebe34783a84", kill_on_drop: false }`
[INFO] [stdout] 1cce73372c323de935ac4deed3d20e717957553d3d180459cef37ebe34783a84
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e61a20db4a3a707ca083f217e9ebeaaf1ec85327e35b3569864b6cca7330145
[INFO] running `Command { std: "docker" "start" "-a" "7e61a20db4a3a707ca083f217e9ebeaaf1ec85327e35b3569864b6cca7330145", kill_on_drop: false }`
[INFO] [stderr] warning: feature `allocator_api` is declared but not used
[INFO] [stderr]  --> tests/serde.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(allocator_api)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `string-alloc` (test "serde") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_alloc-d3383c60fc8fa6d4)
[INFO] [stdout] 
[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] [stderr]      Running tests/format.rs (/opt/rustwide/target/debug/deps/format-e0e6f8b060c90d61)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_format_macro ... ok
[INFO] [stdout] test test_format_macro_direct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/deps/serde-f631f2c9c9cdb9a6)
[INFO] [stdout] 
[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] [stderr]      Running tests/string.rs (/opt/rustwide/target/debug/deps/string-887334029d6f20de)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_allocator_edge_cases ... ok
[INFO] [stdout] test test_basic_construction ... ok
[INFO] [stdout] test test_complex_operations ... ok
[INFO] [stdout] test test_edge_cases ... ok
[INFO] [stdout] test test_capacity_edge_cases ... ok
[INFO] [stdout] test test_traits_and_deref ... ok
[INFO] [stdout] test test_string_manipulation ... ok
[INFO] [stdout] test test_from_conversions ... ok
[INFO] [stdout] test test_utf8_conversions ... ok
[INFO] [stdout] test test_utf8_edge_cases ... ok
[INFO] [stdout] test test_workarounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_alloc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/string.rs - string::format_in (line 331) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e61a20db4a3a707ca083f217e9ebeaaf1ec85327e35b3569864b6cca7330145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e61a20db4a3a707ca083f217e9ebeaaf1ec85327e35b3569864b6cca7330145", kill_on_drop: false }`
[INFO] [stdout] 7e61a20db4a3a707ca083f217e9ebeaaf1ec85327e35b3569864b6cca7330145