[INFO] cloning repository https://github.com/NarayanaRavada/huffman_compression_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NarayanaRavada/huffman_compression_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3054c1f5615ced9fc8b2667f36e505a1548e4e1b [INFO] checking NarayanaRavada/huffman_compression_rust against master#74c3f5a146860c94ff4d179fc3bfa34f879adf41 for pr-120248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NarayanaRavada/huffman_compression_rust on toolchain 74c3f5a146860c94ff4d179fc3bfa34f879adf41 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust [INFO] finished tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust [INFO] tweaked toml for git repo https://github.com/NarayanaRavada/huffman_compression_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NarayanaRavada/huffman_compression_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking NarayanaRavada/huffman_compression_rust against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NarayanaRavada/huffman_compression_rust on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust [INFO] finished tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust [INFO] tweaked toml for git repo https://github.com/NarayanaRavada/huffman_compression_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NarayanaRavada/huffman_compression_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking NarayanaRavada/huffman_compression_rust against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NarayanaRavada/huffman_compression_rust on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust [INFO] finished tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust [INFO] tweaked toml for git repo https://github.com/NarayanaRavada/huffman_compression_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NarayanaRavada/huffman_compression_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d52ae4361581a53f2eacd64e665abaa12e17bdd039ed80f015cf5d221975dc69 [INFO] running `Command { std: "docker" "start" "-a" "d52ae4361581a53f2eacd64e665abaa12e17bdd039ed80f015cf5d221975dc69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d52ae4361581a53f2eacd64e665abaa12e17bdd039ed80f015cf5d221975dc69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d52ae4361581a53f2eacd64e665abaa12e17bdd039ed80f015cf5d221975dc69", kill_on_drop: false }` [INFO] [stdout] d52ae4361581a53f2eacd64e665abaa12e17bdd039ed80f015cf5d221975dc69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df6cb2771e76b0a0c8101116a24fef9e67734bee98bfecff1651917e5f2af3ba [INFO] running `Command { std: "docker" "start" "-a" "df6cb2771e76b0a0c8101116a24fef9e67734bee98bfecff1651917e5f2af3ba", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking rmp v0.8.12 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking rmp-serde v1.1.2 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking huffman_coding v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unknown start of token: \ [INFO] [stdout] --> src/compression.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | \ [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unknown start of token: \ [INFO] [stdout] --> src/compression.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | \ [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/compression.rs:56:6 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn extract<'a, T, F> ( [INFO] [stdout] | ------- implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] ... [INFO] [stdout] 56 | ) -> Result, Box> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, Box>`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, Box<(dyn StdError + 'static)>>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/compression.rs:56:6 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn extract<'a, T, F> ( [INFO] [stdout] | ------- implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] ... [INFO] [stdout] 56 | ) -> Result, Box> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, Box>`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, Box<(dyn StdError + 'static)>>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `huffman_coding` (bin "huffman_coding") due to 3 previous errors [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `huffman_coding` (bin "huffman_coding" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "df6cb2771e76b0a0c8101116a24fef9e67734bee98bfecff1651917e5f2af3ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6cb2771e76b0a0c8101116a24fef9e67734bee98bfecff1651917e5f2af3ba", kill_on_drop: false }` [INFO] [stdout] df6cb2771e76b0a0c8101116a24fef9e67734bee98bfecff1651917e5f2af3ba