[INFO] cloning repository https://github.com/iyuroch/rust_word_counter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iyuroch/rust_word_counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyuroch%2Frust_word_counter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyuroch%2Frust_word_counter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 12ee883c7ff016ca88ac16f4d8e9fc7a7682612c [INFO] checking iyuroch/rust_word_counter against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyuroch%2Frust_word_counter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iyuroch/rust_word_counter on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iyuroch/rust_word_counter [INFO] finished tweaking git repo https://github.com/iyuroch/rust_word_counter [INFO] tweaked toml for git repo https://github.com/iyuroch/rust_word_counter written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iyuroch/rust_word_counter 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.4.6 [INFO] [stderr] Downloaded quote v0.6.3 [INFO] [stderr] Downloaded stable_deref_trait v1.1.0 [INFO] [stderr] Downloaded cfg-if v0.1.3 [INFO] [stderr] Downloaded lazy_static v1.0.1 [INFO] [stderr] Downloaded spmc v0.2.2 [INFO] [stderr] Downloaded nodrop v0.1.12 [INFO] [stderr] Downloaded smallvec v0.6.2 [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded canal v0.1.3 [INFO] [stderr] Downloaded chan v0.1.21 [INFO] [stderr] Downloaded crossbeam v0.3.2 [INFO] [stderr] Downloaded crossbeam-utils v0.4.1 [INFO] [stderr] Downloaded syn v0.14.2 [INFO] [stderr] Downloaded rand v0.5.4 [INFO] [stderr] Downloaded libc v0.2.42 [INFO] [stderr] Downloaded crossbeam-channel v0.2.2 [INFO] [stderr] Downloaded rayon-core v1.4.0 [INFO] [stderr] Downloaded serde v1.0.66 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] [stderr] Downloaded crossbeam-epoch v0.5.0 [INFO] [stderr] Downloaded serde_json v1.0.20 [INFO] [stderr] Downloaded parking_lot v0.5.5 [INFO] [stderr] Downloaded rand_core v0.2.1 [INFO] [stderr] Downloaded rayon v1.0.1 [INFO] [stderr] Downloaded serde_derive v1.0.66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abbd9c7d4e92a307e64a13afb19de993c2a73f1cd1ca40f53032bb85ceedf546 [INFO] running `Command { std: "docker" "start" "-a" "abbd9c7d4e92a307e64a13afb19de993c2a73f1cd1ca40f53032bb85ceedf546", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abbd9c7d4e92a307e64a13afb19de993c2a73f1cd1ca40f53032bb85ceedf546", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abbd9c7d4e92a307e64a13afb19de993c2a73f1cd1ca40f53032bb85ceedf546", kill_on_drop: false }` [INFO] [stdout] abbd9c7d4e92a307e64a13afb19de993c2a73f1cd1ca40f53032bb85ceedf546 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e23f5188655f02353e598293d3efe4e514118af8f6f22e6c0482f7aed99c56cd [INFO] running `Command { std: "docker" "start" "-a" "e23f5188655f02353e598293d3efe4e514118af8f6f22e6c0482f7aed99c56cd", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Checking smallvec v0.6.2 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking crossbeam-utils v0.4.1 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking canal v0.1.3 [INFO] [stderr] Checking spmc v0.2.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.0 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking chan v0.1.21 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking crossbeam-channel v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Checking serde_json v1.0.20 [INFO] [stderr] Checking word_counter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0635]: unknown feature `io` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(io)] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `io` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(io)] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:92:25 [INFO] [stdout] | [INFO] [stdout] 92 | let mut raw_words = String::from(str::from_utf8(&char_vec).unwrap()); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:92:25 [INFO] [stdout] | [INFO] [stdout] 92 | let mut raw_words = String::from(str::from_utf8(&char_vec).unwrap()); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `word_counter` (bin "word_counter" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `word_counter` (bin "word_counter") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "e23f5188655f02353e598293d3efe4e514118af8f6f22e6c0482f7aed99c56cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e23f5188655f02353e598293d3efe4e514118af8f6f22e6c0482f7aed99c56cd", kill_on_drop: false }` [INFO] [stdout] e23f5188655f02353e598293d3efe4e514118af8f6f22e6c0482f7aed99c56cd [INFO] checking iyuroch/rust_word_counter against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyuroch%2Frust_word_counter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iyuroch/rust_word_counter on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iyuroch/rust_word_counter [INFO] finished tweaking git repo https://github.com/iyuroch/rust_word_counter [INFO] tweaked toml for git repo https://github.com/iyuroch/rust_word_counter written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iyuroch/rust_word_counter 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9eacb2aecd60244bc544e757973f9279ce3ac7d3dd5f9fa480a4c29619f69c4d [INFO] running `Command { std: "docker" "start" "-a" "9eacb2aecd60244bc544e757973f9279ce3ac7d3dd5f9fa480a4c29619f69c4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9eacb2aecd60244bc544e757973f9279ce3ac7d3dd5f9fa480a4c29619f69c4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eacb2aecd60244bc544e757973f9279ce3ac7d3dd5f9fa480a4c29619f69c4d", kill_on_drop: false }` [INFO] [stdout] 9eacb2aecd60244bc544e757973f9279ce3ac7d3dd5f9fa480a4c29619f69c4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9982bcd80a4babbf856c9a1b9127c9aeb912a3170a316fb7bbeb3f4e5597030 [INFO] running `Command { std: "docker" "start" "-a" "a9982bcd80a4babbf856c9a1b9127c9aeb912a3170a316fb7bbeb3f4e5597030", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "a9982bcd80a4babbf856c9a1b9127c9aeb912a3170a316fb7bbeb3f4e5597030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9982bcd80a4babbf856c9a1b9127c9aeb912a3170a316fb7bbeb3f4e5597030", kill_on_drop: false }` [INFO] [stdout] a9982bcd80a4babbf856c9a1b9127c9aeb912a3170a316fb7bbeb3f4e5597030