[INFO] fetching crate nanots 0.1.0...
[INFO] testing nanots-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nanots 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nanots 0.1.0 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 nanots 0.1.0
[INFO] finished tweaking crates.io crate nanots 0.1.0
[INFO] tweaked toml for crates.io crate nanots 0.1.0 written to /workspace/builds/worker-12/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_macros_common v0.3.3
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded from_variant v0.1.3
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded string_enum v0.3.1
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded is-macro v0.1.9
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] [stderr]   Downloaded ast_node v0.7.3
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded swc_ecma_ast v0.49.5
[INFO] [stderr]   Downloaded swc_eq_ignore_macros v0.1.0
[INFO] [stderr]   Downloaded swc_visit v0.2.6
[INFO] [stderr]   Downloaded swc_atoms v0.2.7
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded swc_visit_macros v0.2.3
[INFO] [stderr]   Downloaded swc_common v0.11.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] bf95eb771f98e1828de75df77780ecedda72dcfe6ec7372d7ff3112f228b4f9e
[INFO] running `Command { std: "docker" "start" "-a" "bf95eb771f98e1828de75df77780ecedda72dcfe6ec7372d7ff3112f228b4f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf95eb771f98e1828de75df77780ecedda72dcfe6ec7372d7ff3112f228b4f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf95eb771f98e1828de75df77780ecedda72dcfe6ec7372d7ff3112f228b4f9e", kill_on_drop: false }`
[INFO] [stdout] bf95eb771f98e1828de75df77780ecedda72dcfe6ec7372d7ff3112f228b4f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 89c58158881ad5b43781f794efd68948d15212711fe580d60fa3fe1104d828c1
[INFO] running `Command { std: "docker" "start" "-a" "89c58158881ad5b43781f794efd68948d15212711fe580d60fa3fe1104d828c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_atoms v0.2.7
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling swc_visit_macros v0.2.3
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling is-macro v0.1.9
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3
[INFO] [stderr]    Compiling swc_visit v0.2.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling swc_common v0.11.9
[INFO] [stderr]    Compiling swc_ecma_ast v0.49.5
[INFO] [stderr]    Compiling nanots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.08s
[INFO] running `Command { std: "docker" "inspect" "89c58158881ad5b43781f794efd68948d15212711fe580d60fa3fe1104d828c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c58158881ad5b43781f794efd68948d15212711fe580d60fa3fe1104d828c1", kill_on_drop: false }`
[INFO] [stdout] 89c58158881ad5b43781f794efd68948d15212711fe580d60fa3fe1104d828c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7ca3225361bc4351d218c8d126fdf2837e4e7e8efb113abb22af3be6df975614
[INFO] running `Command { std: "docker" "start" "-a" "7ca3225361bc4351d218c8d126fdf2837e4e7e8efb113abb22af3be6df975614", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7ca3225361bc4351d218c8d126fdf2837e4e7e8efb113abb22af3be6df975614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca3225361bc4351d218c8d126fdf2837e4e7e8efb113abb22af3be6df975614", kill_on_drop: false }`
[INFO] [stdout] 7ca3225361bc4351d218c8d126fdf2837e4e7e8efb113abb22af3be6df975614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e7bc13d32b0afb8ffcf3ef7f8d8e17dbf5d2a88004ed481649c4ec55038c6dc5
[INFO] running `Command { std: "docker" "start" "-a" "e7bc13d32b0afb8ffcf3ef7f8d8e17dbf5d2a88004ed481649c4ec55038c6dc5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nanots-9da60626b73919f4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nanots
[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] running `Command { std: "docker" "inspect" "e7bc13d32b0afb8ffcf3ef7f8d8e17dbf5d2a88004ed481649c4ec55038c6dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bc13d32b0afb8ffcf3ef7f8d8e17dbf5d2a88004ed481649c4ec55038c6dc5", kill_on_drop: false }`
[INFO] [stdout] e7bc13d32b0afb8ffcf3ef7f8d8e17dbf5d2a88004ed481649c4ec55038c6dc5