[INFO] fetching crate sprout 1.0.0... [INFO] checking sprout-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate sprout 1.0.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate sprout 1.0.0 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 sprout 1.0.0 [INFO] finished tweaking crates.io crate sprout 1.0.0 [INFO] tweaked toml for crates.io crate sprout 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] 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] 587e73a5da6daa0da5cc9598adff9a74df62bdbe01ee0a86970d104b3daaed1d [INFO] running `Command { std: "docker" "start" "-a" "587e73a5da6daa0da5cc9598adff9a74df62bdbe01ee0a86970d104b3daaed1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "587e73a5da6daa0da5cc9598adff9a74df62bdbe01ee0a86970d104b3daaed1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "587e73a5da6daa0da5cc9598adff9a74df62bdbe01ee0a86970d104b3daaed1d", kill_on_drop: false }` [INFO] [stdout] 587e73a5da6daa0da5cc9598adff9a74df62bdbe01ee0a86970d104b3daaed1d [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] 3383e32ab195517de06c5458880b49309ad2c57bbb6a68e419f7eb7aef7c15f7 [INFO] running `Command { std: "docker" "start" "-a" "3383e32ab195517de06c5458880b49309ad2c57bbb6a68e419f7eb7aef7c15f7", kill_on_drop: false }` [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking trees v0.4.2 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Checking sprout v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `MatchResult` is imported redundantly [INFO] [stdout] --> src/token_match.rs:255:9 [INFO] [stdout] | [INFO] [stdout] 255 | use crate::compare::MatchResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 256 | [INFO] [stdout] 257 | use super::*; [INFO] [stdout] | -------- the item `MatchResult` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Matcher` is imported redundantly [INFO] [stdout] --> src/compare/match_graph_builder.rs:145:26 [INFO] [stdout] | [INFO] [stdout] 145 | use crate::compare::{Matcher, SequenceView, MatchError, MatcherContext, MatchResult}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 146 | [INFO] [stdout] 147 | use super::*; [INFO] [stdout] | -------- the item `Matcher` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/parse/grammar.rs:441:17 [INFO] [stdout] | [INFO] [stdout] 441 | use crate::{tokenize::Token, grammar}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 442 | [INFO] [stdout] 443 | use super::*; [INFO] [stdout] | -------- the item `Token` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "3383e32ab195517de06c5458880b49309ad2c57bbb6a68e419f7eb7aef7c15f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3383e32ab195517de06c5458880b49309ad2c57bbb6a68e419f7eb7aef7c15f7", kill_on_drop: false }` [INFO] [stdout] 3383e32ab195517de06c5458880b49309ad2c57bbb6a68e419f7eb7aef7c15f7 [INFO] checking sprout-1.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate sprout 1.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate sprout 1.0.0 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 sprout 1.0.0 [INFO] finished tweaking crates.io crate sprout 1.0.0 [INFO] tweaked toml for crates.io crate sprout 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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] e7fcac5d92a9073081d2114addb487662a0ebca04403c35bccb45babf31ac09d [INFO] running `Command { std: "docker" "start" "-a" "e7fcac5d92a9073081d2114addb487662a0ebca04403c35bccb45babf31ac09d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7fcac5d92a9073081d2114addb487662a0ebca04403c35bccb45babf31ac09d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7fcac5d92a9073081d2114addb487662a0ebca04403c35bccb45babf31ac09d", kill_on_drop: false }` [INFO] [stdout] e7fcac5d92a9073081d2114addb487662a0ebca04403c35bccb45babf31ac09d [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] 892c3dc9c3b4ef0de1b780581deafe38e029ce2cea68ebc8065875c8407f8f46 [INFO] running `Command { std: "docker" "start" "-a" "892c3dc9c3b4ef0de1b780581deafe38e029ce2cea68ebc8065875c8407f8f46", kill_on_drop: false }` [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking trees v0.4.2 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/trees-0.4.2/src/rc.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | 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 `trees` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "892c3dc9c3b4ef0de1b780581deafe38e029ce2cea68ebc8065875c8407f8f46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "892c3dc9c3b4ef0de1b780581deafe38e029ce2cea68ebc8065875c8407f8f46", kill_on_drop: false }` [INFO] [stdout] 892c3dc9c3b4ef0de1b780581deafe38e029ce2cea68ebc8065875c8407f8f46