[INFO] fetching crate rast 0.1.0-alpha.0... [INFO] checking rast-0.1.0-alpha.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate rast 0.1.0-alpha.0 into /workspace/builds/worker-83/source [INFO] validating manifest of crates.io crate rast 0.1.0-alpha.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rast 0.1.0-alpha.0 [INFO] finished tweaking crates.io crate rast 0.1.0-alpha.0 [INFO] tweaked toml for crates.io crate rast 0.1.0-alpha.0 written to /workspace/builds/worker-83/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d21b03ccdb8b92fe2c24891f254aa3cbf9f8bc931140739b9ae36a73dbedab62 [INFO] running `Command { std: "docker" "start" "-a" "d21b03ccdb8b92fe2c24891f254aa3cbf9f8bc931140739b9ae36a73dbedab62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d21b03ccdb8b92fe2c24891f254aa3cbf9f8bc931140739b9ae36a73dbedab62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d21b03ccdb8b92fe2c24891f254aa3cbf9f8bc931140739b9ae36a73dbedab62", kill_on_drop: false }` [INFO] [stdout] d21b03ccdb8b92fe2c24891f254aa3cbf9f8bc931140739b9ae36a73dbedab62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 220ccafe4d63b4d8b5b830070a1086ad3815064f655fa4b5ac11e292a6878ca7 [INFO] running `Command { std: "docker" "start" "-a" "220ccafe4d63b4d8b5b830070a1086ad3815064f655fa4b5ac11e292a6878ca7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking extreme v666.666.666666 [INFO] [stderr] Checking rast v0.1.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stdout] warning: field is never read: `worker_idx` [INFO] [stdout] --> src/nemesis/nemesis.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 42 | worker_idx: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/nemesis/nemesis.rs:43:3 [INFO] [stdout] | [INFO] [stdout] 43 | start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `req` [INFO] [stdout] --> src/nemesis/nemesis.rs:44:3 [INFO] [stdout] | [INFO] [stdout] 44 | req: ReadReq, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `finish` [INFO] [stdout] --> src/nemesis/nemesis.rs:46:3 [INFO] [stdout] | [INFO] [stdout] 46 | finish: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `worker_idx` [INFO] [stdout] --> src/nemesis/nemesis.rs:51:3 [INFO] [stdout] | [INFO] [stdout] 51 | worker_idx: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/nemesis/nemesis.rs:52:3 [INFO] [stdout] | [INFO] [stdout] 52 | start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `finish` [INFO] [stdout] --> src/nemesis/nemesis.rs:55:3 [INFO] [stdout] | [INFO] [stdout] 55 | finish: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/testutil/noopfuture.rs:45:54 [INFO] [stdout] | [INFO] [stdout] 45 | Poll::Pending => panic!("unexpectedly not ready: {:?}"), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 45 | Poll::Pending => panic!("unexpectedly not ready: {:?}", ...), [INFO] [stdout] | +++++ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 45 | Poll::Pending => panic!("{}", "unexpectedly not ready: {:?}"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.88s [INFO] running `Command { std: "docker" "inspect" "220ccafe4d63b4d8b5b830070a1086ad3815064f655fa4b5ac11e292a6878ca7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "220ccafe4d63b4d8b5b830070a1086ad3815064f655fa4b5ac11e292a6878ca7", kill_on_drop: false }` [INFO] [stdout] 220ccafe4d63b4d8b5b830070a1086ad3815064f655fa4b5ac11e292a6878ca7