[INFO] fetching crate mitosis 0.1.1... [INFO] checking mitosis-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate mitosis 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate mitosis 0.1.1 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 crates.io crate mitosis 0.1.1 [INFO] finished tweaking crates.io crate mitosis 0.1.1 [INFO] tweaked toml for crates.io crate mitosis 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate mitosis 0.1.1 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] Downloading crates ... [INFO] [stderr] Downloaded ipc-channel v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d75df428a1af8e0f23292b3fde71e499fc8ee5d40f09594b6dfa14b792753502 [INFO] running `Command { std: "docker" "start" "-a" "d75df428a1af8e0f23292b3fde71e499fc8ee5d40f09594b6dfa14b792753502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d75df428a1af8e0f23292b3fde71e499fc8ee5d40f09594b6dfa14b792753502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d75df428a1af8e0f23292b3fde71e499fc8ee5d40f09594b6dfa14b792753502", kill_on_drop: false }` [INFO] [stdout] d75df428a1af8e0f23292b3fde71e499fc8ee5d40f09594b6dfa14b792753502 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a5cb9d62b66cdbf0d242bcdf77bdb16700d1f92ae7211f8a6e193aa3acae4bee [INFO] running `Command { std: "docker" "start" "-a" "a5cb9d62b66cdbf0d242bcdf77bdb16700d1f92ae7211f8a6e193aa3acae4bee", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ipc-channel v0.15.0 [INFO] [stderr] Checking mitosis v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `mitosis` is imported redundantly [INFO] [stdout] --> examples/nested.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use mitosis; [INFO] [stdout] | ^^^^^^^ the item `mitosis` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mitosis` is imported redundantly [INFO] [stdout] --> examples/join.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use mitosis; [INFO] [stdout] | ^^^^^^^ the item `mitosis` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mitosis` is imported redundantly [INFO] [stdout] --> examples/simple.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use mitosis; [INFO] [stdout] | ^^^^^^^ the item `mitosis` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mitosis` is imported redundantly [INFO] [stdout] --> examples/stdout.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use mitosis; [INFO] [stdout] | ^^^^^^^ the item `mitosis` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mitosis` is imported redundantly [INFO] [stdout] --> examples/communicating.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use mitosis; [INFO] [stdout] | ^^^^^^^ the item `mitosis` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mitosis` is imported redundantly [INFO] [stdout] --> examples/kill.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use mitosis; [INFO] [stdout] | ^^^^^^^ the item `mitosis` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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 12.68s [INFO] running `Command { std: "docker" "inspect" "a5cb9d62b66cdbf0d242bcdf77bdb16700d1f92ae7211f8a6e193aa3acae4bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5cb9d62b66cdbf0d242bcdf77bdb16700d1f92ae7211f8a6e193aa3acae4bee", kill_on_drop: false }` [INFO] [stdout] a5cb9d62b66cdbf0d242bcdf77bdb16700d1f92ae7211f8a6e193aa3acae4bee [INFO] checking mitosis-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate mitosis 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mitosis 0.1.1 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 crates.io crate mitosis 0.1.1 [INFO] finished tweaking crates.io crate mitosis 0.1.1 [INFO] tweaked toml for crates.io crate mitosis 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate mitosis 0.1.1 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba0423d0b90f7cd85ede0536f546a098971da98fdfd5482f6c8e429e14cbdac6 [INFO] running `Command { std: "docker" "start" "-a" "ba0423d0b90f7cd85ede0536f546a098971da98fdfd5482f6c8e429e14cbdac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba0423d0b90f7cd85ede0536f546a098971da98fdfd5482f6c8e429e14cbdac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba0423d0b90f7cd85ede0536f546a098971da98fdfd5482f6c8e429e14cbdac6", kill_on_drop: false }` [INFO] [stdout] ba0423d0b90f7cd85ede0536f546a098971da98fdfd5482f6c8e429e14cbdac6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbf59ff44dd0e9d4037c768b6e5aad006987d8b880aad32bfbd8dd008132cb51 [INFO] running `Command { std: "docker" "start" "-a" "bbf59ff44dd0e9d4037c768b6e5aad006987d8b880aad32bfbd8dd008132cb51", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Err(Error::new(D4_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 81 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | Err(Error::new(D4_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 138 | Err::(Error::new(D4_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:246:13 [INFO] [stdout] | [INFO] [stdout] 246 | Err(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 246 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/builder/mod.rs:353:13 [INFO] [stdout] | [INFO] [stdout] 353 | Err(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 353 | Err::(Error::new(BYTES_LEN, len))?; [INFO] [stdout] | ++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/uuid-0.8.2/src/parser/mod.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(Error::InvalidLength { [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 67 | Err::(Error::InvalidLength { [INFO] [stdout] | +++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `uuid` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bbf59ff44dd0e9d4037c768b6e5aad006987d8b880aad32bfbd8dd008132cb51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbf59ff44dd0e9d4037c768b6e5aad006987d8b880aad32bfbd8dd008132cb51", kill_on_drop: false }` [INFO] [stdout] bbf59ff44dd0e9d4037c768b6e5aad006987d8b880aad32bfbd8dd008132cb51