[INFO] cloning repository https://github.com/AsuMagic/markov-irc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AsuMagic/markov-irc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsuMagic%2Fmarkov-irc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsuMagic%2Fmarkov-irc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e188f299b25a8ca5dd6d8795184211407f276e8 [INFO] checking AsuMagic/markov-irc against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsuMagic%2Fmarkov-irc" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AsuMagic/markov-irc on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AsuMagic/markov-irc [INFO] finished tweaking git repo https://github.com/AsuMagic/markov-irc [INFO] tweaked toml for git repo https://github.com/AsuMagic/markov-irc written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/AsuMagic/markov-irc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.34 [INFO] [stderr] Downloaded chrono v0.4.13 [INFO] [stderr] Downloaded irc-proto v0.14.0 [INFO] [stderr] Downloaded irc v0.14.0 [INFO] [stderr] Downloaded bufstream v0.1.4 [INFO] [stderr] Downloaded libc v0.2.72 [INFO] [stderr] Downloaded openssl v0.10.30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f86082b96034ac173f48714775f0b4df9278597395397854bb124ab432667670 [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" "f86082b96034ac173f48714775f0b4df9278597395397854bb124ab432667670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f86082b96034ac173f48714775f0b4df9278597395397854bb124ab432667670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f86082b96034ac173f48714775f0b4df9278597395397854bb124ab432667670", kill_on_drop: false }` [INFO] [stdout] f86082b96034ac173f48714775f0b4df9278597395397854bb124ab432667670 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 004f2f69066bbae2e3f9a9e063518b2f777a7abd32d38208d5321cc1e898b2f6 [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" "004f2f69066bbae2e3f9a9e063518b2f777a7abd32d38208d5321cc1e898b2f6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Checking smallvec v1.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking openssl-sys v0.9.58 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking openssl v0.10.30 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking native-tls v0.2.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking irc-proto v0.14.0 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking irc v0.14.0 [INFO] [stderr] Checking markov-irc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | 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::collections::HashMap` [INFO] [stdout] --> src/markovtrainer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | 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::collections::HashMap` [INFO] [stdout] --> src/markovtrainer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/markov.rs:63:52 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn insert_word(&mut self, word: WordIndex, mut succs: &[WordIndex]) { [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: associated function is never used: `get_word_index` [INFO] [stdout] --> src/markov.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | fn get_word_index(&self, word: &str) -> Option<&WordIndex> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/markov.rs:63:52 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn insert_word(&mut self, word: WordIndex, mut succs: &[WordIndex]) { [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: associated function is never used: `get_word_index` [INFO] [stdout] --> src/markov.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | fn get_word_index(&self, word: &str) -> Option<&WordIndex> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `Command { std: "docker" "inspect" "004f2f69066bbae2e3f9a9e063518b2f777a7abd32d38208d5321cc1e898b2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "004f2f69066bbae2e3f9a9e063518b2f777a7abd32d38208d5321cc1e898b2f6", kill_on_drop: false }` [INFO] [stdout] 004f2f69066bbae2e3f9a9e063518b2f777a7abd32d38208d5321cc1e898b2f6