[INFO] cloning repository https://github.com/seg-mx/huffman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seg-mx/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseg-mx%2Fhuffman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseg-mx%2Fhuffman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa727ad3a185c8a899b4fca884ecedbf5ca4ce63 [INFO] testing seg-mx/huffman against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseg-mx%2Fhuffman" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/seg-mx/huffman [INFO] finished tweaking git repo https://github.com/seg-mx/huffman [INFO] tweaked toml for git repo https://github.com/seg-mx/huffman written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/seg-mx/huffman on toolchain b03b3a7ec92682be2917540b679478d41c95a30c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/seg-mx/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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7260d33a572609d2589d8a4359e45a1be1083fde4260d7f8dae86a5985cad2a3 [INFO] running `Command { std: "docker" "start" "-a" "7260d33a572609d2589d8a4359e45a1be1083fde4260d7f8dae86a5985cad2a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7260d33a572609d2589d8a4359e45a1be1083fde4260d7f8dae86a5985cad2a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7260d33a572609d2589d8a4359e45a1be1083fde4260d7f8dae86a5985cad2a3", kill_on_drop: false }` [INFO] [stdout] 7260d33a572609d2589d8a4359e45a1be1083fde4260d7f8dae86a5985cad2a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65460f7349369ed853a1345ef3c8fa2e4133ef4e37413c780e6ead05a48cb743 [INFO] running `Command { std: "docker" "start" "-a" "65460f7349369ed853a1345ef3c8fa2e4133ef4e37413c780e6ead05a48cb743", kill_on_drop: false }` [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir/huffman) [INFO] [stdout] warning: struct `PrefixCode` is never constructed [INFO] [stdout] --> huffman/src/prefix_code.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct PrefixCode { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `bits`, `len`, `add_zero`, `add_one`, and `as_bytes` are never used [INFO] [stdout] --> huffman/src/prefix_code.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl PrefixCode { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(bits: u64, len: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn bits(&self) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn add_zero(&self) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn add_one(&self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "65460f7349369ed853a1345ef3c8fa2e4133ef4e37413c780e6ead05a48cb743", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65460f7349369ed853a1345ef3c8fa2e4133ef4e37413c780e6ead05a48cb743", kill_on_drop: false }` [INFO] [stdout] 65460f7349369ed853a1345ef3c8fa2e4133ef4e37413c780e6ead05a48cb743 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be6fb6e5eef1ea932ed5e55cae16e480217c2f710ab1d760b8e05284d80a3ba4 [INFO] running `Command { std: "docker" "start" "-a" "be6fb6e5eef1ea932ed5e55cae16e480217c2f710ab1d760b8e05284d80a3ba4", kill_on_drop: false }` [INFO] [stdout] warning: struct `PrefixCode` is never constructed [INFO] [stdout] --> huffman/src/prefix_code.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct PrefixCode { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir/huffman) [INFO] [stdout] warning: associated items `new`, `bits`, `len`, `add_zero`, `add_one`, and `as_bytes` are never used [INFO] [stdout] --> huffman/src/prefix_code.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl PrefixCode { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(bits: u64, len: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn bits(&self) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn add_zero(&self) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn add_one(&self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PrefixCode` is never constructed [INFO] [stdout] --> huffman/src/prefix_code.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct PrefixCode { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `bits`, `len`, `add_zero`, `add_one`, and `as_bytes` are never used [INFO] [stdout] --> huffman/src/prefix_code.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl PrefixCode { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(bits: u64, len: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn bits(&self) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn add_zero(&self) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn add_one(&self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "be6fb6e5eef1ea932ed5e55cae16e480217c2f710ab1d760b8e05284d80a3ba4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6fb6e5eef1ea932ed5e55cae16e480217c2f710ab1d760b8e05284d80a3ba4", kill_on_drop: false }` [INFO] [stdout] be6fb6e5eef1ea932ed5e55cae16e480217c2f710ab1d760b8e05284d80a3ba4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1acfde9dfadbf9cb61d8aa485aa3d5f3d76f57d8928d11e1ecf3f4fed192f0ec [INFO] running `Command { std: "docker" "start" "-a" "1acfde9dfadbf9cb61d8aa485aa3d5f3d76f57d8928d11e1ecf3f4fed192f0ec", kill_on_drop: false }` [INFO] [stderr] warning: struct `PrefixCode` is never constructed [INFO] [stderr] --> huffman/src/prefix_code.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct PrefixCode { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `bits`, `len`, `add_zero`, `add_one`, and `as_bytes` are never used [INFO] [stderr] --> huffman/src/prefix_code.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 7 | impl PrefixCode { [INFO] [stderr] | --------------- associated items in this implementation [INFO] [stderr] 8 | pub fn new(bits: u64, len: usize) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 12 | pub fn bits(&self) -> u64 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 16 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 20 | pub fn add_zero(&self) -> Self { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | pub fn add_one(&self) -> Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 34 | pub fn as_bytes(&self) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `huffman` (lib) generated 2 warnings [INFO] [stderr] warning: `huffman` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [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] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffman-eab0886528c3ff34) [INFO] [stderr] Doc-tests huffman [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" "1acfde9dfadbf9cb61d8aa485aa3d5f3d76f57d8928d11e1ecf3f4fed192f0ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1acfde9dfadbf9cb61d8aa485aa3d5f3d76f57d8928d11e1ecf3f4fed192f0ec", kill_on_drop: false }` [INFO] [stdout] 1acfde9dfadbf9cb61d8aa485aa3d5f3d76f57d8928d11e1ecf3f4fed192f0ec