[INFO] updating cached repository https://github.com/ladydraco/rust_markov [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4473b91381d5cd634cb04afbf7239d90c8d6a14f [INFO] testing ladydraco/rust_markov against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fladydraco%2Frust_markov" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ladydraco/rust_markov on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ladydraco/rust_markov [INFO] finished tweaking git repo https://github.com/ladydraco/rust_markov [INFO] tweaked toml for git repo https://github.com/ladydraco/rust_markov written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ladydraco/rust_markov already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cce2fc412d236b8a038dfa29d21e67ef0e8484c27787bdbee9909a117be20e76 [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" "cce2fc412d236b8a038dfa29d21e67ef0e8484c27787bdbee9909a117be20e76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cce2fc412d236b8a038dfa29d21e67ef0e8484c27787bdbee9909a117be20e76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cce2fc412d236b8a038dfa29d21e67ef0e8484c27787bdbee9909a117be20e76", kill_on_drop: false }` [INFO] [stdout] cce2fc412d236b8a038dfa29d21e67ef0e8484c27787bdbee9909a117be20e76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 719406109e846d2f20987600d2f02499b51c4541594f2f42697beb003383ddcb [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" "719406109e846d2f20987600d2f02499b51c4541594f2f42697beb003383ddcb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rust_markov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::random` [INFO] [stdout] --> src/generate_text.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/form_watcher.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pair2` is never read [INFO] [stdout] --> src/main.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | let mut pair2: (usize, usize) = (0, 0); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char_choice` [INFO] [stdout] --> src/generate_text.rs:119:14 [INFO] [stdout] | [INFO] [stdout] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_choice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/generate_text.rs:119:27 [INFO] [stdout] | [INFO] [stdout] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `output_amount` [INFO] [stdout] --> src/generate_text.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | output_amount: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `use_html` [INFO] [stdout] --> src/generate_text.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use_html: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `distortion_factor` [INFO] [stdout] --> src/generate_text.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | distortion_factor: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.88s [INFO] running `Command { std: "docker" "inspect" "719406109e846d2f20987600d2f02499b51c4541594f2f42697beb003383ddcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "719406109e846d2f20987600d2f02499b51c4541594f2f42697beb003383ddcb", kill_on_drop: false }` [INFO] [stdout] 719406109e846d2f20987600d2f02499b51c4541594f2f42697beb003383ddcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2874042f3b7bfbec65127aa305c70c544d0c40c28c4fb569b848a7c83fa26164 [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" "2874042f3b7bfbec65127aa305c70c544d0c40c28c4fb569b848a7c83fa26164", kill_on_drop: false }` [INFO] [stderr] Compiling rust_markov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::random` [INFO] [stdout] --> src/generate_text.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/form_watcher.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pair2` is never read [INFO] [stdout] --> src/main.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | let mut pair2: (usize, usize) = (0, 0); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char_choice` [INFO] [stdout] --> src/generate_text.rs:119:14 [INFO] [stdout] | [INFO] [stdout] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_choice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/generate_text.rs:119:27 [INFO] [stdout] | [INFO] [stdout] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `output_amount` [INFO] [stdout] --> src/generate_text.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | output_amount: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `use_html` [INFO] [stdout] --> src/generate_text.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use_html: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `distortion_factor` [INFO] [stdout] --> src/generate_text.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | distortion_factor: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "2874042f3b7bfbec65127aa305c70c544d0c40c28c4fb569b848a7c83fa26164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2874042f3b7bfbec65127aa305c70c544d0c40c28c4fb569b848a7c83fa26164", kill_on_drop: false }` [INFO] [stdout] 2874042f3b7bfbec65127aa305c70c544d0c40c28c4fb569b848a7c83fa26164 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8b9383fbcc72769f2b9f7ff87e747ebc8ff3511c14cc0bb166518c16f3a2656e [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" "8b9383fbcc72769f2b9f7ff87e747ebc8ff3511c14cc0bb166518c16f3a2656e", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `rand::random` [INFO] [stderr] --> src/generate_text.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::random; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/form_watcher.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pair2` is never read [INFO] [stderr] --> src/main.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | let mut pair2: (usize, usize) = (0, 0); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `char_choice` [INFO] [stderr] --> src/generate_text.rs:119:14 [INFO] [stderr] | [INFO] [stderr] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_choice` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/generate_text.rs:119:27 [INFO] [stderr] | [INFO] [stderr] 119 | for (char_choice, count) in choice_stats.options.iter() { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `output_amount` [INFO] [stderr] --> src/generate_text.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | output_amount: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `use_html` [INFO] [stderr] --> src/generate_text.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | use_html: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `distortion_factor` [INFO] [stderr] --> src/generate_text.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | distortion_factor: i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_markov-29d58447600de99f [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8b9383fbcc72769f2b9f7ff87e747ebc8ff3511c14cc0bb166518c16f3a2656e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b9383fbcc72769f2b9f7ff87e747ebc8ff3511c14cc0bb166518c16f3a2656e", kill_on_drop: false }` [INFO] [stdout] 8b9383fbcc72769f2b9f7ff87e747ebc8ff3511c14cc0bb166518c16f3a2656e