[INFO] updating cached repository https://github.com/Andorr/hpack-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a082b674a40dc4131b0d3326bf514ac303589c0d [INFO] checking Andorr/hpack-rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndorr%2Fhpack-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/Andorr/hpack-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/Andorr/hpack-rust [INFO] finished tweaking git repo https://github.com/Andorr/hpack-rust [INFO] tweaked toml for git repo https://github.com/Andorr/hpack-rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Andorr/hpack-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bfa335d9f825ae7143a357405220ab1373135713b6b525882da6bf0ec752e6ed [INFO] running `"docker" "start" "-a" "bfa335d9f825ae7143a357405220ab1373135713b6b525882da6bf0ec752e6ed"` [INFO] [stderr] Checking hpack-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/hpack/huffman/mod.rs:4:19 [INFO] [stderr] | [INFO] [stderr] 4 | use std::borrow::{BorrowMut, Borrow}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/hpack/huffman/mod.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `Ref` [INFO] [stderr] --> src/hpack/huffman/mod.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/hpack/huffman/mod.rs:4:19 [INFO] [stderr] | [INFO] [stderr] 4 | use std::borrow::{BorrowMut, Borrow}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/hpack/huffman/mod.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `Ref` [INFO] [stderr] --> src/hpack/huffman/mod.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/main.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ctx = hpack::new_context(10, 10); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hf` [INFO] [stderr] --> src/hpack/encoder.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | fn encode(hf: *const HeaderField) -> Vec { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_hf` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ctx = hpack::new_context(10, 10); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hpack/huffman/mod.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | let mut j = huff_code.length; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `cur_node.right` which is behind a shared reference [INFO] [stderr] --> src/hpack/huffman/mod.rs:98:32 [INFO] [stderr] | [INFO] [stderr] 98 | cur_node = cur_node.right.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `cur_node.right` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `cur_node.right.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/hpack/huffman/mod.rs:98:32 [INFO] [stderr] | [INFO] [stderr] 98 | cur_node = cur_node.right.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stderr] | | [INFO] [stderr] | creates a temporary which is freed while still in use [INFO] [stderr] ... [INFO] [stderr] 107 | if cur_node.sym.is_some() { [INFO] [stderr] | ------------ borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: consider using a `let` binding to create a longer lived value [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `cur_node.left` which is behind a shared reference [INFO] [stderr] --> src/hpack/huffman/mod.rs:103:32 [INFO] [stderr] | [INFO] [stderr] 103 | cur_node = cur_node.left.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `cur_node.left` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `cur_node.left.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/hpack/huffman/mod.rs:103:32 [INFO] [stderr] | [INFO] [stderr] 103 | cur_node = cur_node.left.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stderr] | | [INFO] [stderr] | creates a temporary which is freed while still in use [INFO] [stderr] ... [INFO] [stderr] 107 | if cur_node.sym.is_some() { [INFO] [stderr] | ------------ borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: consider using a `let` binding to create a longer lived value [INFO] [stderr] [INFO] [stderr] error[E0515]: cannot return value referencing local variable `decoded` [INFO] [stderr] --> src/hpack/huffman/mod.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | Ok(decoded.as_slice()) [INFO] [stderr] | ^^^-------^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | `decoded` is borrowed here [INFO] [stderr] | returns a value referencing data owned by the current function [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors; 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0507, E0515, E0716. [INFO] [stderr] For more information about an error, try `rustc --explain E0507`. [INFO] [stderr] error: could not compile `hpack-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] warning: unused variable: `ctx` [INFO] [stderr] --> src/main.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ctx = hpack::new_context(10, 10); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hf` [INFO] [stderr] --> src/hpack/encoder.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | fn encode(hf: *const HeaderField) -> Vec { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_hf` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ctx = hpack::new_context(10, 10); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hpack/huffman/mod.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | let mut j = huff_code.length; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `cur_node.right` which is behind a shared reference [INFO] [stderr] --> src/hpack/huffman/mod.rs:98:32 [INFO] [stderr] | [INFO] [stderr] 98 | cur_node = cur_node.right.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `cur_node.right` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `cur_node.right.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/hpack/huffman/mod.rs:98:32 [INFO] [stderr] | [INFO] [stderr] 98 | cur_node = cur_node.right.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stderr] | | [INFO] [stderr] | creates a temporary which is freed while still in use [INFO] [stderr] ... [INFO] [stderr] 107 | if cur_node.sym.is_some() { [INFO] [stderr] | ------------ borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: consider using a `let` binding to create a longer lived value [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `cur_node.left` which is behind a shared reference [INFO] [stderr] --> src/hpack/huffman/mod.rs:103:32 [INFO] [stderr] | [INFO] [stderr] 103 | cur_node = cur_node.left.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `cur_node.left` has type `std::option::Option>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `cur_node.left.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0716]: temporary value dropped while borrowed [INFO] [stderr] --> src/hpack/huffman/mod.rs:103:32 [INFO] [stderr] | [INFO] [stderr] 103 | cur_node = cur_node.left.unwrap().borrow(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stderr] | | [INFO] [stderr] | creates a temporary which is freed while still in use [INFO] [stderr] ... [INFO] [stderr] 107 | if cur_node.sym.is_some() { [INFO] [stderr] | ------------ borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: consider using a `let` binding to create a longer lived value [INFO] [stderr] [INFO] [stderr] error[E0515]: cannot return value referencing local variable `decoded` [INFO] [stderr] --> src/hpack/huffman/mod.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | Ok(decoded.as_slice()) [INFO] [stderr] | ^^^-------^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | `decoded` is borrowed here [INFO] [stderr] | returns a value referencing data owned by the current function [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors; 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0507, E0515, E0716. [INFO] [stderr] For more information about an error, try `rustc --explain E0507`. [INFO] [stderr] error: could not compile `hpack-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "bfa335d9f825ae7143a357405220ab1373135713b6b525882da6bf0ec752e6ed"` [INFO] running `"docker" "rm" "-f" "bfa335d9f825ae7143a357405220ab1373135713b6b525882da6bf0ec752e6ed"` [INFO] [stdout] bfa335d9f825ae7143a357405220ab1373135713b6b525882da6bf0ec752e6ed