[INFO] cloning repository https://github.com/PhilipDaniels/word_chains [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilipDaniels/word_chains" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aebad80fa455fd77ab190c8ea65fa4af467af899 [INFO] checking PhilipDaniels/word_chains against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhilipDaniels/word_chains 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/PhilipDaniels/word_chains [INFO] finished tweaking git repo https://github.com/PhilipDaniels/word_chains [INFO] tweaked toml for git repo https://github.com/PhilipDaniels/word_chains written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PhilipDaniels/word_chains 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 syn v1.0.81 [INFO] [stderr] Downloaded libc v0.2.106 [INFO] [stderr] Downloaded logging_timer v1.0.0 [INFO] [stderr] Downloaded logging_timer_proc_macros v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c7bcb756e53c8ec9312e3455a3bb30a597e10c134cc22724c6dbf6566d673781 [INFO] running `Command { std: "docker" "start" "-a" "c7bcb756e53c8ec9312e3455a3bb30a597e10c134cc22724c6dbf6566d673781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7bcb756e53c8ec9312e3455a3bb30a597e10c134cc22724c6dbf6566d673781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7bcb756e53c8ec9312e3455a3bb30a597e10c134cc22724c6dbf6566d673781", kill_on_drop: false }` [INFO] [stdout] c7bcb756e53c8ec9312e3455a3bb30a597e10c134cc22724c6dbf6566d673781 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2dab05328c82475e46b25679e13184f05f50b50e35d606ea14c1cdb8a5bf45f5 [INFO] running `Command { std: "docker" "start" "-a" "2dab05328c82475e46b25679e13184f05f50b50e35d606ea14c1cdb8a5bf45f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking graph v0.1.0 (/opt/rustwide/workdir/graph) [INFO] [stderr] Compiling logging_timer_proc_macros v1.0.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking logging_timer v1.0.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking longest_path_calculator v0.1.0 (/opt/rustwide/workdir/longest_path_calculator) [INFO] [stderr] Checking pre_calc v0.1.0 (/opt/rustwide/workdir/pre_calc) [INFO] [stdout] warning: unused imports: `HashMap`, `hash::Hash`, `num` [INFO] [stdout] --> longest_path_calculator/src/main.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fs::File, hash::Hash, io, num, path::PathBuf}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `vec` [INFO] [stdout] --> longest_path_calculator/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | vec, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `hash::Hash`, `num` [INFO] [stdout] --> longest_path_calculator/src/main.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fs::File, hash::Hash, io, num, path::PathBuf}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `vec` [INFO] [stdout] --> longest_path_calculator/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | vec, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> pre_calc/src/dictionary_merger.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] 3 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> pre_calc/src/dictionary_merger.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] 3 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dirs` [INFO] [stdout] --> longest_path_calculator/src/main.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 125 | dirs: &RelativeDirectories, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dirs` [INFO] [stdout] --> longest_path_calculator/src/main.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 125 | dirs: &RelativeDirectories, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings 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 3.52s [INFO] running `Command { std: "docker" "inspect" "2dab05328c82475e46b25679e13184f05f50b50e35d606ea14c1cdb8a5bf45f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dab05328c82475e46b25679e13184f05f50b50e35d606ea14c1cdb8a5bf45f5", kill_on_drop: false }` [INFO] [stdout] 2dab05328c82475e46b25679e13184f05f50b50e35d606ea14c1cdb8a5bf45f5 [INFO] checking PhilipDaniels/word_chains against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fword_chains" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhilipDaniels/word_chains 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/PhilipDaniels/word_chains [INFO] finished tweaking git repo https://github.com/PhilipDaniels/word_chains [INFO] tweaked toml for git repo https://github.com/PhilipDaniels/word_chains written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PhilipDaniels/word_chains 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 745c9aedc21898471119607959932a38697bc19ee7e8cdfcf07a6497f0bd159d [INFO] running `Command { std: "docker" "start" "-a" "745c9aedc21898471119607959932a38697bc19ee7e8cdfcf07a6497f0bd159d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "745c9aedc21898471119607959932a38697bc19ee7e8cdfcf07a6497f0bd159d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "745c9aedc21898471119607959932a38697bc19ee7e8cdfcf07a6497f0bd159d", kill_on_drop: false }` [INFO] [stdout] 745c9aedc21898471119607959932a38697bc19ee7e8cdfcf07a6497f0bd159d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e48e25cfe7c129075ffa2f19348f86e099ff3d8a8c5932ab7e5260dc36b25575 [INFO] running `Command { std: "docker" "start" "-a" "e48e25cfe7c129075ffa2f19348f86e099ff3d8a8c5932ab7e5260dc36b25575", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/src/sync/parker.rs:364:25 [INFO] [stdout] | [INFO] [stdout] 364 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 365 | | NOTIFIED | PARKED => return, [INFO] [stdout] 366 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 367 | | }; [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 `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e48e25cfe7c129075ffa2f19348f86e099ff3d8a8c5932ab7e5260dc36b25575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e48e25cfe7c129075ffa2f19348f86e099ff3d8a8c5932ab7e5260dc36b25575", kill_on_drop: false }` [INFO] [stdout] e48e25cfe7c129075ffa2f19348f86e099ff3d8a8c5932ab7e5260dc36b25575