[INFO] cloning repository https://github.com/lowr/my-gzip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowr/my-gzip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowr%2Fmy-gzip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowr%2Fmy-gzip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf4a9fb5a4a4a2bee03dd3bc41f4a752c3413fb5 [INFO] checking lowr/my-gzip against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowr%2Fmy-gzip" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lowr/my-gzip on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lowr/my-gzip [INFO] finished tweaking git repo https://github.com/lowr/my-gzip [INFO] tweaked toml for git repo https://github.com/lowr/my-gzip written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/lowr/my-gzip already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c67f64dd5df69242ae63b8070f76daaba98adf0f0b84d3ce83525176d430d3ff [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" "c67f64dd5df69242ae63b8070f76daaba98adf0f0b84d3ce83525176d430d3ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c67f64dd5df69242ae63b8070f76daaba98adf0f0b84d3ce83525176d430d3ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c67f64dd5df69242ae63b8070f76daaba98adf0f0b84d3ce83525176d430d3ff", kill_on_drop: false }` [INFO] [stdout] c67f64dd5df69242ae63b8070f76daaba98adf0f0b84d3ce83525176d430d3ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9aedc4ecea35ce5c6a18bbded21375780d2c28a3c56bd965e7e11fe00a1ae020 [INFO] running `Command { std: "docker" "start" "-a" "9aedc4ecea35ce5c6a18bbded21375780d2c28a3c56bd965e7e11fe00a1ae020", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking encoding_rs v0.8.28 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking my-gzip v0.0.1 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.43s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking my-gzip v0.0.1 (/tmp/fixit) [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | prev.insert(b); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> src/decompress/huffman.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | prev.insert(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "9aedc4ecea35ce5c6a18bbded21375780d2c28a3c56bd965e7e11fe00a1ae020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aedc4ecea35ce5c6a18bbded21375780d2c28a3c56bd965e7e11fe00a1ae020", kill_on_drop: false }` [INFO] [stdout] 9aedc4ecea35ce5c6a18bbded21375780d2c28a3c56bd965e7e11fe00a1ae020