[INFO] fetching crate dlopen2 0.6.1... [INFO] checking dlopen2-0.6.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate dlopen2 0.6.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate dlopen2 0.6.1 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 dlopen2 0.6.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate dlopen2 0.6.1 [INFO] tweaked toml for crates.io crate dlopen2 0.6.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate dlopen2 0.6.1 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 dlopen2_derive v0.4.0 [INFO] [stderr] Downloaded current_platform v0.2.0 [INFO] [stderr] Downloaded serde v1.0.178 [INFO] [stderr] Downloaded serde_derive v1.0.178 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2fbdb7b8f821f703b4a966fbf66cbabfb7582de42b2e1650fbcd36fce264670a [INFO] running `Command { std: "docker" "start" "-a" "2fbdb7b8f821f703b4a966fbf66cbabfb7582de42b2e1650fbcd36fce264670a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2fbdb7b8f821f703b4a966fbf66cbabfb7582de42b2e1650fbcd36fce264670a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fbdb7b8f821f703b4a966fbf66cbabfb7582de42b2e1650fbcd36fce264670a", kill_on_drop: false }` [INFO] [stdout] 2fbdb7b8f821f703b4a966fbf66cbabfb7582de42b2e1650fbcd36fce264670a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aba29c552e03e106f3b179d955863f483033de5fe90da9603e86b20e8bfc6561 [INFO] running `Command { std: "docker" "start" "-a" "aba29c552e03e106f3b179d955863f483033de5fe90da9603e86b20e8bfc6561", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling current_platform v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.178 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking const-cstr v0.3.0 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking regex-automata v0.3.4 [INFO] [stderr] Compiling dlopen2_derive v0.4.0 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking dlopen2 v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/err.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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 `From` is imported redundantly [INFO] [stdout] --> src/err.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `Command { std: "docker" "inspect" "aba29c552e03e106f3b179d955863f483033de5fe90da9603e86b20e8bfc6561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aba29c552e03e106f3b179d955863f483033de5fe90da9603e86b20e8bfc6561", kill_on_drop: false }` [INFO] [stdout] aba29c552e03e106f3b179d955863f483033de5fe90da9603e86b20e8bfc6561 [INFO] checking dlopen2-0.6.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate dlopen2 0.6.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate dlopen2 0.6.1 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 dlopen2 0.6.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate dlopen2 0.6.1 [INFO] tweaked toml for crates.io crate dlopen2 0.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate dlopen2 0.6.1 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 56d7e88e9c75d070b151657e2e3b911e6579d421453b80f1530a492bf7f8eb7c [INFO] running `Command { std: "docker" "start" "-a" "56d7e88e9c75d070b151657e2e3b911e6579d421453b80f1530a492bf7f8eb7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56d7e88e9c75d070b151657e2e3b911e6579d421453b80f1530a492bf7f8eb7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56d7e88e9c75d070b151657e2e3b911e6579d421453b80f1530a492bf7f8eb7c", kill_on_drop: false }` [INFO] [stdout] 56d7e88e9c75d070b151657e2e3b911e6579d421453b80f1530a492bf7f8eb7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bf0558228362af93c13d36bfbb98f5efac275d8472efb07192d0c93680b9c8e9 [INFO] running `Command { std: "docker" "start" "-a" "bf0558228362af93c13d36bfbb98f5efac275d8472efb07192d0c93680b9c8e9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling current_platform v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.178 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking const-cstr v0.3.0 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.178/src/lib_precompiled.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [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 `serde_derive` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bf0558228362af93c13d36bfbb98f5efac275d8472efb07192d0c93680b9c8e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf0558228362af93c13d36bfbb98f5efac275d8472efb07192d0c93680b9c8e9", kill_on_drop: false }` [INFO] [stdout] bf0558228362af93c13d36bfbb98f5efac275d8472efb07192d0c93680b9c8e9