[INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman/hooks/pre-receive.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-merge-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman/hooks/pre-merge-commit.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 14) [INFO] cloning repository https://github.com/xdeathofmojox/cc_huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdeathofmojox/cc_huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61114742e5096aed341f8307dc4621576ac9713a [INFO] checking xdeathofmojox/cc_huffman against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdeathofmojox%2Fcc_huffman" "/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/xdeathofmojox/cc_huffman on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xdeathofmojox/cc_huffman [INFO] finished tweaking git repo https://github.com/xdeathofmojox/cc_huffman [INFO] tweaked toml for git repo https://github.com/xdeathofmojox/cc_huffman written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xdeathofmojox/cc_huffman 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5540c65bfbd66c92e6c27880c3611694442f03ea8a98bc435a0cf1bff39634e [INFO] running `Command { std: "docker" "start" "-a" "a5540c65bfbd66c92e6c27880c3611694442f03ea8a98bc435a0cf1bff39634e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5540c65bfbd66c92e6c27880c3611694442f03ea8a98bc435a0cf1bff39634e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5540c65bfbd66c92e6c27880c3611694442f03ea8a98bc435a0cf1bff39634e", kill_on_drop: false }` [INFO] [stdout] a5540c65bfbd66c92e6c27880c3611694442f03ea8a98bc435a0cf1bff39634e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c3554d2d9ba4f656829fc6c7427446857bd72172bbb20f2c66ff43f984e3e14 [INFO] running `Command { std: "docker" "start" "-a" "5c3554d2d9ba4f656829fc6c7427446857bd72172bbb20f2c66ff43f984e3e14", kill_on_drop: false }` [INFO] [stderr] Checking cc_huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BinaryHeap` [INFO] [stdout] --> src/main.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::{HashMap, BinaryHeap}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BinaryHeap` [INFO] [stdout] --> src/main.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::{HashMap, BinaryHeap}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `BaseNode` is never used [INFO] [stdout] --> src/main.rs:71:7 [INFO] [stdout] | [INFO] [stdout] 71 | trait BaseNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LeafNode` is never constructed [INFO] [stdout] --> src/main.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | struct LeafNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `char` is never used [INFO] [stdout] --> src/main.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 81 | impl LeafNode { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 82 | fn char(&self) -> char { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InternalNode` is never constructed [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct InternalNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `BaseNode` is never used [INFO] [stdout] --> src/main.rs:71:7 [INFO] [stdout] | [INFO] [stdout] 71 | trait BaseNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LeafNode` is never constructed [INFO] [stdout] --> src/main.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | struct LeafNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `char` is never used [INFO] [stdout] --> src/main.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 81 | impl LeafNode { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 82 | fn char(&self) -> char { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InternalNode` is never constructed [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct InternalNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "5c3554d2d9ba4f656829fc6c7427446857bd72172bbb20f2c66ff43f984e3e14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c3554d2d9ba4f656829fc6c7427446857bd72172bbb20f2c66ff43f984e3e14", kill_on_drop: false }` [INFO] [stdout] 5c3554d2d9ba4f656829fc6c7427446857bd72172bbb20f2c66ff43f984e3e14