[INFO] cloning repository https://github.com/onContentStop/silver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onContentStop/silver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fsilver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fsilver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e51c32189839b24c029eb52c87f9b4ed3b0c75a0 [INFO] checking onContentStop/silver against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fsilver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/onContentStop/silver 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/onContentStop/silver [INFO] finished tweaking git repo https://github.com/onContentStop/silver [INFO] tweaked toml for git repo https://github.com/onContentStop/silver written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/onContentStop/silver 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 credibility v0.1.3 [INFO] [stderr] Downloaded signal-hook v0.1.16 [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] adf2fb624bdcd10ae75f398e4617fa32cf4036d81c11097549be063b8c3acb7e [INFO] running `Command { std: "docker" "start" "-a" "adf2fb624bdcd10ae75f398e4617fa32cf4036d81c11097549be063b8c3acb7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adf2fb624bdcd10ae75f398e4617fa32cf4036d81c11097549be063b8c3acb7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adf2fb624bdcd10ae75f398e4617fa32cf4036d81c11097549be063b8c3acb7e", kill_on_drop: false }` [INFO] [stdout] adf2fb624bdcd10ae75f398e4617fa32cf4036d81c11097549be063b8c3acb7e [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] c5f29af13cc33415ee40f0c33f5b34a85696426a0d77f772fd29c62728c7982f [INFO] running `Command { std: "docker" "start" "-a" "c5f29af13cc33415ee40f0c33f5b34a85696426a0d77f772fd29c62728c7982f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking proptest v0.10.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking credibility v0.1.3 [INFO] [stderr] Checking silver-language v0.1.0 (/opt/rustwide/workdir/silver-language) [INFO] [stdout] warning: the item `Operator` is imported redundantly [INFO] [stdout] --> silver-language/src/analysis/syntax/parser.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 174 | use super::*; [INFO] [stdout] | -------- the item `Operator` is already imported here [INFO] [stdout] ... [INFO] [stdout] 180 | syntax::syntax_facts::Operator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `BoundNode` is never used [INFO] [stdout] --> silver-language/src/analysis/binding/bound_node.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait BoundNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BoundNodeKind` is never used [INFO] [stdout] --> silver-language/src/analysis/binding/bound_node_kind.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) enum BoundNodeKind { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `SyntaxKindWithText` is never used [INFO] [stdout] --> silver-language/src/analysis/syntax/syntax_facts.rs:35:18 [INFO] [stdout] | [INFO] [stdout] 35 | pub(crate) trait SyntaxKindWithText { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `text` is never used [INFO] [stdout] --> silver-language/src/analysis/syntax/syntax_node.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait SyntaxNodeExt { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 15 | fn text(&self) -> Option<&str>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking silver v0.1.0 (/opt/rustwide/workdir/silver) [INFO] [stdout] warning: trait `BoundNode` is never used [INFO] [stdout] --> silver-language/src/analysis/binding/bound_node.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait BoundNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BoundNodeKind` is never used [INFO] [stdout] --> silver-language/src/analysis/binding/bound_node_kind.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) enum BoundNodeKind { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s [INFO] running `Command { std: "docker" "inspect" "c5f29af13cc33415ee40f0c33f5b34a85696426a0d77f772fd29c62728c7982f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5f29af13cc33415ee40f0c33f5b34a85696426a0d77f772fd29c62728c7982f", kill_on_drop: false }` [INFO] [stdout] c5f29af13cc33415ee40f0c33f5b34a85696426a0d77f772fd29c62728c7982f [INFO] checking onContentStop/silver against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fsilver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/onContentStop/silver 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/onContentStop/silver [INFO] finished tweaking git repo https://github.com/onContentStop/silver [INFO] tweaked toml for git repo https://github.com/onContentStop/silver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/onContentStop/silver 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] d23abd570a98f0487c87f6b629949efe6afb6492d213171715fa69da5c80bf13 [INFO] running `Command { std: "docker" "start" "-a" "d23abd570a98f0487c87f6b629949efe6afb6492d213171715fa69da5c80bf13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d23abd570a98f0487c87f6b629949efe6afb6492d213171715fa69da5c80bf13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d23abd570a98f0487c87f6b629949efe6afb6492d213171715fa69da5c80bf13", kill_on_drop: false }` [INFO] [stdout] d23abd570a98f0487c87f6b629949efe6afb6492d213171715fa69da5c80bf13 [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] 51bd03ca323b8a3515e57062ac15c29b8d07b6f1b1ce1d19d06ca591348b5923 [INFO] running `Command { std: "docker" "start" "-a" "51bd03ca323b8a3515e57062ac15c29b8d07b6f1b1ce1d19d06ca591348b5923", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.4.3/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] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.2.2/src/half_lock.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { libc::abort() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [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 `signal-hook-registry` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] running `Command { std: "docker" "inspect" "51bd03ca323b8a3515e57062ac15c29b8d07b6f1b1ce1d19d06ca591348b5923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51bd03ca323b8a3515e57062ac15c29b8d07b6f1b1ce1d19d06ca591348b5923", kill_on_drop: false }` [INFO] [stdout] 51bd03ca323b8a3515e57062ac15c29b8d07b6f1b1ce1d19d06ca591348b5923