[INFO] fetching crate gantelet 0.3.1-alpha.3... [INFO] checking gantelet-0.3.1-alpha.3 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate gantelet 0.3.1-alpha.3 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate gantelet 0.3.1-alpha.3 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate gantelet 0.3.1-alpha.3 [INFO] finished tweaking crates.io crate gantelet 0.3.1-alpha.3 [INFO] tweaked toml for crates.io crate gantelet 0.3.1-alpha.3 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a112cb45bd7924be97ba00daca8dd2e289dcb1c77596c39e82a6ff7e233b873c [INFO] running `Command { std: "docker" "start" "-a" "a112cb45bd7924be97ba00daca8dd2e289dcb1c77596c39e82a6ff7e233b873c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a112cb45bd7924be97ba00daca8dd2e289dcb1c77596c39e82a6ff7e233b873c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a112cb45bd7924be97ba00daca8dd2e289dcb1c77596c39e82a6ff7e233b873c", kill_on_drop: false }` [INFO] [stdout] a112cb45bd7924be97ba00daca8dd2e289dcb1c77596c39e82a6ff7e233b873c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f27372aa2fcf9ad636658a9165dd89c85ccb49fbe09da54cb7bdeae22c852b60 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f27372aa2fcf9ad636658a9165dd89c85ccb49fbe09da54cb7bdeae22c852b60", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking seahash v3.0.7 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling fasthash-sys v0.3.2 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking terminal_size v0.1.15 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking xoroshiro128 v0.3.0 [INFO] [stderr] Checking indicatif v0.15.0 [INFO] [stderr] Checking fasthash v0.4.0 [INFO] [stderr] Checking gantelet v0.3.1-alpha.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/cooccur.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::BuildHasherDefault` [INFO] [stdout] --> src/cooccur.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::hash::BuildHasherDefault; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write as IoWrite` [INFO] [stdout] --> src/cooccur.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write as IoWrite; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fasthash::xx::Hasher64` [INFO] [stdout] --> src/cooccur.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use fasthash::xx::Hasher64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `indicatif` [INFO] [stdout] --> src/cooccur.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use indicatif; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/cooccur.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::BuildHasherDefault` [INFO] [stdout] --> src/cooccur.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::hash::BuildHasherDefault; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write as IoWrite` [INFO] [stdout] --> src/cooccur.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write as IoWrite; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fasthash::xx::Hasher64` [INFO] [stdout] --> src/cooccur.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use fasthash::xx::Hasher64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `indicatif` [INFO] [stdout] --> src/cooccur.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use indicatif; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input_reader` [INFO] [stdout] --> src/cooccur.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let input_reader = std::io::BufReader::new( [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_writer` [INFO] [stdout] --> src/cooccur.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut output_writer = std::io::BufWriter::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cooccur.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut output_writer = std::io::BufWriter::new( [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: unused variable: `input_reader` [INFO] [stdout] --> src/cooccur.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let input_reader = std::io::BufReader::new( [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_writer` [INFO] [stdout] --> src/cooccur.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut output_writer = std::io::BufWriter::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cooccur.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut output_writer = std::io::BufWriter::new( [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.42s [INFO] running `Command { std: "docker" "inspect" "f27372aa2fcf9ad636658a9165dd89c85ccb49fbe09da54cb7bdeae22c852b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f27372aa2fcf9ad636658a9165dd89c85ccb49fbe09da54cb7bdeae22c852b60", kill_on_drop: false }` [INFO] [stdout] f27372aa2fcf9ad636658a9165dd89c85ccb49fbe09da54cb7bdeae22c852b60