[INFO] cloning repository https://github.com/julian-goldsmith/huffman-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julian-goldsmith/huffman-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian-goldsmith%2Fhuffman-rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian-goldsmith%2Fhuffman-rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fc941ad26584544c0c6a7c446d7d73c2c337d9b8 [INFO] checking julian-goldsmith/huffman-rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian-goldsmith%2Fhuffman-rust" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/julian-goldsmith/huffman-rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/julian-goldsmith/huffman-rust [INFO] finished tweaking git repo https://github.com/julian-goldsmith/huffman-rust [INFO] tweaked toml for git repo https://github.com/julian-goldsmith/huffman-rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/julian-goldsmith/huffman-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b3aa14b16c6c99ff55bd4596d18c9910ffdfdd2a7ad65ddf1dde86f04c1a7ce4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "b3aa14b16c6c99ff55bd4596d18c9910ffdfdd2a7ad65ddf1dde86f04c1a7ce4"` [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking huffman-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitstream.rs:87:38 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn write(&self, writer: &mut Write) -> io::Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitstream.rs:107:30 [INFO] [stderr] | [INFO] [stderr] 107 | pub fn read(reader: &mut Read) -> io::Result> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitstream.rs:170:19 [INFO] [stderr] | [INFO] [stderr] 170 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:37:40 [INFO] [stderr] | [INFO] [stderr] 37 | fn write_freqs(&self, writer: &mut Write) -> io::Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | fn read_freqs(reader: &mut Read) -> io::Result>> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:73:42 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn write(&self, mut writer: &mut Write) -> io::Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:87:34 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn read(mut reader: &mut Read) -> io::Result> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/mtf.rs:12:29 [INFO] [stderr] | [INFO] [stderr] 12 | out.push(idx as u8);; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitstream.rs:87:38 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn write(&self, writer: &mut Write) -> io::Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitstream.rs:107:30 [INFO] [stderr] | [INFO] [stderr] 107 | pub fn read(reader: &mut Read) -> io::Result> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitstream.rs:170:19 [INFO] [stderr] | [INFO] [stderr] 170 | (self as &Display).fmt(f) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:37:40 [INFO] [stderr] | [INFO] [stderr] 37 | fn write_freqs(&self, writer: &mut Write) -> io::Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | fn read_freqs(reader: &mut Read) -> io::Result>> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:73:42 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn write(&self, mut writer: &mut Write) -> io::Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/huffman/mod.rs:87:34 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn read(mut reader: &mut Read) -> io::Result> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/mtf.rs:12:29 [INFO] [stderr] | [INFO] [stderr] 12 | out.push(idx as u8);; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:23:56 [INFO] [stderr] | [INFO] [stderr] 23 | ... why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:43:56 [INFO] [stderr] | [INFO] [stderr] 43 | ... why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:23:56 [INFO] [stderr] | [INFO] [stderr] 23 | ... why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:43:56 [INFO] [stderr] | [INFO] [stderr] 43 | ... why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid [INFO] [stderr] --> src/bitstream.rs:114:24 [INFO] [stderr] | [INFO] [stderr] 114 | let byte_len = (pos as f32 / 8.0).ceil() as usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid [INFO] [stderr] --> src/bitstream.rs:114:24 [INFO] [stderr] | [INFO] [stderr] 114 | let byte_len = (pos as f32 / 8.0).ceil() as usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 10 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] error: could not compile `huffman-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error; 10 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] error: could not compile `huffman-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b3aa14b16c6c99ff55bd4596d18c9910ffdfdd2a7ad65ddf1dde86f04c1a7ce4"` [INFO] running `"docker" "rm" "-f" "b3aa14b16c6c99ff55bd4596d18c9910ffdfdd2a7ad65ddf1dde86f04c1a7ce4"` [INFO] [stdout] b3aa14b16c6c99ff55bd4596d18c9910ffdfdd2a7ad65ddf1dde86f04c1a7ce4