[INFO] cloning repository https://github.com/alexzanderr/rust-python-objects [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexzanderr/rust-python-objects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexzanderr%2Frust-python-objects", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexzanderr%2Frust-python-objects'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2b5a9c96a3436fbb14a41d48ab61b58b524493ae [INFO] checking alexzanderr/rust-python-objects against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexzanderr%2Frust-python-objects" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alexzanderr/rust-python-objects on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alexzanderr/rust-python-objects [INFO] finished tweaking git repo https://github.com/alexzanderr/rust-python-objects [INFO] tweaked toml for git repo https://github.com/alexzanderr/rust-python-objects written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/alexzanderr/rust-python-objects 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package [INFO] [stderr] Updating python-objects v0.0.6 (/workspace/builds/worker-3-tc1/source) -> v0.0.7 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded output_vt100 v0.1.3 [INFO] [stderr] Downloaded color-backtrace v0.5.1 [INFO] [stderr] Downloaded unindent v0.1.8 [INFO] [stderr] Downloaded pretty_assertions v1.1.0 [INFO] [stderr] Downloaded rstest v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c49b8347e705d22b27010eaa4736b2116005d47c8628e2b4fd0cda7e5a20882 [INFO] running `Command { std: "docker" "start" "-a" "3c49b8347e705d22b27010eaa4736b2116005d47c8628e2b4fd0cda7e5a20882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c49b8347e705d22b27010eaa4736b2116005d47c8628e2b4fd0cda7e5a20882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c49b8347e705d22b27010eaa4736b2116005d47c8628e2b4fd0cda7e5a20882", kill_on_drop: false }` [INFO] [stdout] 3c49b8347e705d22b27010eaa4736b2116005d47c8628e2b4fd0cda7e5a20882 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 339360c52fa83213528acdb57e35a022107f456de96e7393e0688707f9fe01df [INFO] running `Command { std: "docker" "start" "-a" "339360c52fa83213528acdb57e35a022107f456de96e7393e0688707f9fe01df", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking unindent v0.1.8 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking pretty_assertions v1.1.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling rstest v0.12.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking color-backtrace v0.5.1 [INFO] [stderr] Checking python-objects v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> examples/enum_dict.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops` [INFO] [stdout] --> examples/unicode.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> examples/unicode.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::string` [INFO] [stdout] --> examples/unicode.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::string; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `color_backtrace` is imported redundantly [INFO] [stdout] --> examples/unicode.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use color_backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the item `color_backtrace` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Int` is never constructed [INFO] [stdout] --> examples/enum_dict.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Int { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `iterate_over_unicode` is never used [INFO] [stdout] --> examples/unicode.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn iterate_over_unicode() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string` [INFO] [stdout] --> examples/float_example.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let string = String::from("asd"); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s [INFO] running `Command { std: "docker" "inspect" "339360c52fa83213528acdb57e35a022107f456de96e7393e0688707f9fe01df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339360c52fa83213528acdb57e35a022107f456de96e7393e0688707f9fe01df", kill_on_drop: false }` [INFO] [stdout] 339360c52fa83213528acdb57e35a022107f456de96e7393e0688707f9fe01df [INFO] checking alexzanderr/rust-python-objects against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexzanderr%2Frust-python-objects" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alexzanderr/rust-python-objects on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alexzanderr/rust-python-objects [INFO] finished tweaking git repo https://github.com/alexzanderr/rust-python-objects [INFO] tweaked toml for git repo https://github.com/alexzanderr/rust-python-objects written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/alexzanderr/rust-python-objects 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7274f2e6e6cfa6386528681f8ec2cf3c8533136f0bd8b6490e83982241244f6 [INFO] running `Command { std: "docker" "start" "-a" "b7274f2e6e6cfa6386528681f8ec2cf3c8533136f0bd8b6490e83982241244f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7274f2e6e6cfa6386528681f8ec2cf3c8533136f0bd8b6490e83982241244f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7274f2e6e6cfa6386528681f8ec2cf3c8533136f0bd8b6490e83982241244f6", kill_on_drop: false }` [INFO] [stdout] b7274f2e6e6cfa6386528681f8ec2cf3c8533136f0bd8b6490e83982241244f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71330e8dbfaa3bf11e0cebf486c67a2e5168209023226267f54afb5159cae8ad [INFO] running `Command { std: "docker" "start" "-a" "71330e8dbfaa3bf11e0cebf486c67a2e5168209023226267f54afb5159cae8ad", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking unindent v0.1.8 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking pretty_assertions v1.1.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.4/src/inflate/core.rs:1060:9 [INFO] [stdout] | [INFO] [stdout] 1060 | / match state { [INFO] [stdout] 1061 | | Start => generate_state!(state, 'state_machine, { [INFO] [stdout] 1062 | | l.bit_buf = 0; [INFO] [stdout] 1063 | | l.num_bits = 0; [INFO] [stdout] ... | [INFO] [stdout] 1592 | | _ => break TINFLStatus::Failed, [INFO] [stdout] 1593 | | }; [INFO] [stdout] | |_________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "71330e8dbfaa3bf11e0cebf486c67a2e5168209023226267f54afb5159cae8ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71330e8dbfaa3bf11e0cebf486c67a2e5168209023226267f54afb5159cae8ad", kill_on_drop: false }` [INFO] [stdout] 71330e8dbfaa3bf11e0cebf486c67a2e5168209023226267f54afb5159cae8ad