[INFO] cloning repository https://github.com/manojkumarmc/snake_and_ladder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manojkumarmc/snake_and_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56e2081487c7a6ca996c07b6c02e62dac767a998 [INFO] testing manojkumarmc/snake_and_ladder against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanojkumarmc%2Fsnake_and_ladder" "/workspace/builds/worker-110/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manojkumarmc/snake_and_ladder on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] finished tweaking git repo https://github.com/manojkumarmc/snake_and_ladder [INFO] tweaked toml for git repo https://github.com/manojkumarmc/snake_and_ladder written to /workspace/builds/worker-110/source/Cargo.toml [INFO] crate git repo https://github.com/manojkumarmc/snake_and_ladder already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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 if_chain v1.0.2 [INFO] [stderr] Downloaded validator_derive v0.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df8e6a577bbcd1c7188c6f35d235fc415bf11db8f6d3fdd71ebc47f4f3802594 [INFO] running `Command { std: "docker" "start" "-a" "df8e6a577bbcd1c7188c6f35d235fc415bf11db8f6d3fdd71ebc47f4f3802594", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df8e6a577bbcd1c7188c6f35d235fc415bf11db8f6d3fdd71ebc47f4f3802594", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df8e6a577bbcd1c7188c6f35d235fc415bf11db8f6d3fdd71ebc47f4f3802594", kill_on_drop: false }` [INFO] [stdout] df8e6a577bbcd1c7188c6f35d235fc415bf11db8f6d3fdd71ebc47f4f3802594 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fff7397593c653b10bf4d8b6aa4f77a9c5bf7f0068136e71f6f3cf19b350aa27 [INFO] running `Command { std: "docker" "start" "-a" "fff7397593c653b10bf4d8b6aa4f77a9c5bf7f0068136e71f6f3cf19b350aa27", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling if_chain v1.0.2 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling validator_types v0.14.0 [INFO] [stderr] Compiling validator_derive v0.14.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling validator v0.14.0 [INFO] [stderr] Compiling snake_ladder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut rg: usize = rand::thread_rng().gen_range(l_limit..=u_limit); [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_col_data` [INFO] [stdout] --> src/model.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_col_data(&self, col_id: 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: `id` [INFO] [stdout] --> src/model.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_name` [INFO] [stdout] --> src/model.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn set_name(&mut self, n: &'static str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 22s [INFO] running `Command { std: "docker" "inspect" "fff7397593c653b10bf4d8b6aa4f77a9c5bf7f0068136e71f6f3cf19b350aa27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fff7397593c653b10bf4d8b6aa4f77a9c5bf7f0068136e71f6f3cf19b350aa27", kill_on_drop: false }` [INFO] [stdout] fff7397593c653b10bf4d8b6aa4f77a9c5bf7f0068136e71f6f3cf19b350aa27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d018072e719e902ca9d08ee78f430fb9f1537920f03d680d9d55f76f066b758c [INFO] running `Command { std: "docker" "start" "-a" "d018072e719e902ca9d08ee78f430fb9f1537920f03d680d9d55f76f066b758c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling snake_ladder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut rg: usize = rand::thread_rng().gen_range(l_limit..=u_limit); [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_col_data` [INFO] [stdout] --> src/model.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_col_data(&self, col_id: 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: `id` [INFO] [stdout] --> src/model.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_name` [INFO] [stdout] --> src/model.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn set_name(&mut self, n: &'static str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 36.81s [INFO] running `Command { std: "docker" "inspect" "d018072e719e902ca9d08ee78f430fb9f1537920f03d680d9d55f76f066b758c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d018072e719e902ca9d08ee78f430fb9f1537920f03d680d9d55f76f066b758c", kill_on_drop: false }` [INFO] [stdout] d018072e719e902ca9d08ee78f430fb9f1537920f03d680d9d55f76f066b758c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f4cfa7da18dfcfd26ab027b9a6db62987fbb2c9829e3f88455779e6a4312e237 [INFO] running `Command { std: "docker" "start" "-a" "f4cfa7da18dfcfd26ab027b9a6db62987fbb2c9829e3f88455779e6a4312e237", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut rg: usize = rand::thread_rng().gen_range(l_limit..=u_limit); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_col_data` [INFO] [stderr] --> src/model.rs:43:12 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn get_col_data(&self, col_id: usize) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/model.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_name` [INFO] [stderr] --> src/model.rs:99:12 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn set_name(&mut self, n: &'static str) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `snake_ladder` (bin "snake_ladder" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/snake_ladder-83d2ee7d287be11d) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f4cfa7da18dfcfd26ab027b9a6db62987fbb2c9829e3f88455779e6a4312e237", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4cfa7da18dfcfd26ab027b9a6db62987fbb2c9829e3f88455779e6a4312e237", kill_on_drop: false }` [INFO] [stdout] f4cfa7da18dfcfd26ab027b9a6db62987fbb2c9829e3f88455779e6a4312e237