[INFO] fetching crate linux-perf-file-reader 0.2.0... [INFO] checking linux-perf-file-reader-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate linux-perf-file-reader 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate linux-perf-file-reader 0.2.0 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 linux-perf-file-reader 0.2.0 [INFO] finished tweaking crates.io crate linux-perf-file-reader 0.2.0 [INFO] tweaked toml for crates.io crate linux-perf-file-reader 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate linux-perf-file-reader 0.2.0 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] Downloading crates ... [INFO] [stderr] Downloaded backtrace v0.3.46 [INFO] [stderr] Downloaded hermit-abi v0.1.11 [INFO] [stderr] Downloaded error-chain v0.12.2 [INFO] [stderr] Downloaded regex v1.3.7 [INFO] [stderr] Downloaded backtrace-sys v0.1.35 [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] 46f6f7bc12cc8238df82612fc05742bc107c6094df731b2b90a6c4505f8f22f2 [INFO] running `Command { std: "docker" "start" "-a" "46f6f7bc12cc8238df82612fc05742bc107c6094df731b2b90a6c4505f8f22f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46f6f7bc12cc8238df82612fc05742bc107c6094df731b2b90a6c4505f8f22f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46f6f7bc12cc8238df82612fc05742bc107c6094df731b2b90a6c4505f8f22f2", kill_on_drop: false }` [INFO] [stdout] 46f6f7bc12cc8238df82612fc05742bc107c6094df731b2b90a6c4505f8f22f2 [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] 740ac1cc48097a2191f1d8ec67182480391d6e667df7bc9b34ae74fe0a4b9021 [INFO] running `Command { std: "docker" "start" "-a" "740ac1cc48097a2191f1d8ec67182480391d6e667df7bc9b34ae74fe0a4b9021", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking linux-perf-file-reader v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `Seek` is already imported here [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] 4 | use std::io::{Read, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/info_reader.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] 2 | use header::*; [INFO] [stdout] 3 | use tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Seek` is imported redundantly [INFO] [stdout] --> src/event_reader.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::*; [INFO] [stdout] | -------- the item `Seek` is already imported here [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] 4 | use std::io::{Read, Seek}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `read_raw` is imported redundantly [INFO] [stdout] --> src/info_reader.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::*; [INFO] [stdout] | -------- the item `read_raw` is already imported here [INFO] [stdout] 2 | use header::*; [INFO] [stdout] 3 | use tools::{collect_n, read_raw, read_string}; [INFO] [stdout] | ^^^^^^^^ [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s [INFO] running `Command { std: "docker" "inspect" "740ac1cc48097a2191f1d8ec67182480391d6e667df7bc9b34ae74fe0a4b9021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "740ac1cc48097a2191f1d8ec67182480391d6e667df7bc9b34ae74fe0a4b9021", kill_on_drop: false }` [INFO] [stdout] 740ac1cc48097a2191f1d8ec67182480391d6e667df7bc9b34ae74fe0a4b9021 [INFO] checking linux-perf-file-reader-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate linux-perf-file-reader 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate linux-perf-file-reader 0.2.0 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 linux-perf-file-reader 0.2.0 [INFO] finished tweaking crates.io crate linux-perf-file-reader 0.2.0 [INFO] tweaked toml for crates.io crate linux-perf-file-reader 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate linux-perf-file-reader 0.2.0 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] 9ec6d2708740d79ec233125474a25e9f5f3cdcb14d4193f3a889bdf011756b2a [INFO] running `Command { std: "docker" "start" "-a" "9ec6d2708740d79ec233125474a25e9f5f3cdcb14d4193f3a889bdf011756b2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ec6d2708740d79ec233125474a25e9f5f3cdcb14d4193f3a889bdf011756b2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ec6d2708740d79ec233125474a25e9f5f3cdcb14d4193f3a889bdf011756b2a", kill_on_drop: false }` [INFO] [stdout] 9ec6d2708740d79ec233125474a25e9f5f3cdcb14d4193f3a889bdf011756b2a [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] 825ce61b0081aa02dee8686ed913f3eb59e798e3f49f637df4305270d246fa91 [INFO] running `Command { std: "docker" "start" "-a" "825ce61b0081aa02dee8686ed913f3eb59e798e3f49f637df4305270d246fa91", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.7/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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 `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "825ce61b0081aa02dee8686ed913f3eb59e798e3f49f637df4305270d246fa91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825ce61b0081aa02dee8686ed913f3eb59e798e3f49f637df4305270d246fa91", kill_on_drop: false }` [INFO] [stdout] 825ce61b0081aa02dee8686ed913f3eb59e798e3f49f637df4305270d246fa91