[INFO] cloning repository https://github.com/tquang1708/rs_basic_compressor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tquang1708/rs_basic_compressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftquang1708%2Frs_basic_compressor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftquang1708%2Frs_basic_compressor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5fa570bd18342fb3cb1bda28fd2e730870bee27f [INFO] testing tquang1708/rs_basic_compressor against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftquang1708%2Frs_basic_compressor" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tquang1708/rs_basic_compressor on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tquang1708/rs_basic_compressor [INFO] finished tweaking git repo https://github.com/tquang1708/rs_basic_compressor [INFO] tweaked toml for git repo https://github.com/tquang1708/rs_basic_compressor written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/tquang1708/rs_basic_compressor already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3901e4ef6d637c02e87c877364c80dedd97dc382841fe4b1a6f7694037035ade [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" "3901e4ef6d637c02e87c877364c80dedd97dc382841fe4b1a6f7694037035ade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3901e4ef6d637c02e87c877364c80dedd97dc382841fe4b1a6f7694037035ade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3901e4ef6d637c02e87c877364c80dedd97dc382841fe4b1a6f7694037035ade", kill_on_drop: false }` [INFO] [stdout] 3901e4ef6d637c02e87c877364c80dedd97dc382841fe4b1a6f7694037035ade [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c285937e5f9f680f7228ee34b75f5f3f7cbc8a9608e3b338fd8185d42a974cd2 [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" "c285937e5f9f680f7228ee34b75f5f3f7cbc8a9608e3b338fd8185d42a974cd2", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling basic_compressor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `curr_decoded` is never read [INFO] [stdout] --> src/lzw.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let mut curr_decoded: Vec = Vec::new(); [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: value assigned to `new_entry` is never read [INFO] [stdout] --> src/lzw.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 126 | let mut new_entry: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.18s [INFO] running `Command { std: "docker" "inspect" "c285937e5f9f680f7228ee34b75f5f3f7cbc8a9608e3b338fd8185d42a974cd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c285937e5f9f680f7228ee34b75f5f3f7cbc8a9608e3b338fd8185d42a974cd2", kill_on_drop: false }` [INFO] [stdout] c285937e5f9f680f7228ee34b75f5f3f7cbc8a9608e3b338fd8185d42a974cd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4b69402d0b36ef2544af1ac3b1766b6724ec68ce236b869b20bd6eda260617e [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" "d4b69402d0b36ef2544af1ac3b1766b6724ec68ce236b869b20bd6eda260617e", kill_on_drop: false }` [INFO] [stderr] Compiling basic_compressor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `curr_decoded` is never read [INFO] [stdout] --> src/lzw.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let mut curr_decoded: Vec = Vec::new(); [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: value assigned to `new_entry` is never read [INFO] [stdout] --> src/lzw.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 126 | let mut new_entry: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `Command { std: "docker" "inspect" "d4b69402d0b36ef2544af1ac3b1766b6724ec68ce236b869b20bd6eda260617e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4b69402d0b36ef2544af1ac3b1766b6724ec68ce236b869b20bd6eda260617e", kill_on_drop: false }` [INFO] [stdout] d4b69402d0b36ef2544af1ac3b1766b6724ec68ce236b869b20bd6eda260617e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e3a19dc08e0ac98a5344d1eabfffeb14d6547b0568d83a3455e5064f1bf6f853 [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" "e3a19dc08e0ac98a5344d1eabfffeb14d6547b0568d83a3455e5064f1bf6f853", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: value assigned to `curr_decoded` is never read [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lzw.rs:125:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 125 | let mut curr_decoded: Vec = Vec::new(); [INFO] [stdout] [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: value assigned to `new_entry` is never read [INFO] [stderr] --> src/lzw.rs:126:17 [INFO] [stderr] | [INFO] [stderr] 126 | let mut new_entry: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `basic_compressor` (bin "basic_compressor" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/basic_compressor-660cfeaf6324fb38) [INFO] running `Command { std: "docker" "inspect" "e3a19dc08e0ac98a5344d1eabfffeb14d6547b0568d83a3455e5064f1bf6f853", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3a19dc08e0ac98a5344d1eabfffeb14d6547b0568d83a3455e5064f1bf6f853", kill_on_drop: false }` [INFO] [stdout] e3a19dc08e0ac98a5344d1eabfffeb14d6547b0568d83a3455e5064f1bf6f853