[INFO] fetching crate gantelet 0.3.1-alpha.3... [INFO] checking gantelet-0.3.1-alpha.3 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate gantelet 0.3.1-alpha.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate gantelet 0.3.1-alpha.3 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa952a3c74e6df96e3c82a8ecf5b4959dc1880534af9dd39580eda289d6ba44e [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" "aa952a3c74e6df96e3c82a8ecf5b4959dc1880534af9dd39580eda289d6ba44e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa952a3c74e6df96e3c82a8ecf5b4959dc1880534af9dd39580eda289d6ba44e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa952a3c74e6df96e3c82a8ecf5b4959dc1880534af9dd39580eda289d6ba44e", kill_on_drop: false }` [INFO] [stdout] aa952a3c74e6df96e3c82a8ecf5b4959dc1880534af9dd39580eda289d6ba44e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95bdb62a2285b3053285eb42166c8127987ebfda05c4dbe7a0e4e92b4ae5f2c5 [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" "95bdb62a2285b3053285eb42166c8127987ebfda05c4dbe7a0e4e92b4ae5f2c5", kill_on_drop: false }` [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking seahash v3.0.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking xoroshiro128 v0.3.0 [INFO] [stderr] Compiling fasthash-sys v0.3.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking console v0.12.0 [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 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: 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: 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 17.56s [INFO] running `Command { std: "docker" "inspect" "95bdb62a2285b3053285eb42166c8127987ebfda05c4dbe7a0e4e92b4ae5f2c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95bdb62a2285b3053285eb42166c8127987ebfda05c4dbe7a0e4e92b4ae5f2c5", kill_on_drop: false }` [INFO] [stdout] 95bdb62a2285b3053285eb42166c8127987ebfda05c4dbe7a0e4e92b4ae5f2c5