[INFO] cloning repository https://github.com/Amphibological/chi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amphibological/chi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmphibological%2Fchi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmphibological%2Fchi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 641cc68c359957ff40526366b78bdfc0104b7a5f [INFO] checking Amphibological/chi against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmphibological%2Fchi" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Amphibological/chi [INFO] finished tweaking git repo https://github.com/Amphibological/chi [INFO] tweaked toml for git repo https://github.com/Amphibological/chi written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Amphibological/chi on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Amphibological/chi 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70a2193c998a16d4ef005bafb91802977a0f74b6c71efaf703026b258b2377a8 [INFO] running `Command { std: "docker" "start" "-a" "70a2193c998a16d4ef005bafb91802977a0f74b6c71efaf703026b258b2377a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70a2193c998a16d4ef005bafb91802977a0f74b6c71efaf703026b258b2377a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70a2193c998a16d4ef005bafb91802977a0f74b6c71efaf703026b258b2377a8", kill_on_drop: false }` [INFO] [stdout] 70a2193c998a16d4ef005bafb91802977a0f74b6c71efaf703026b258b2377a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11f429f322759aaf8b50ae48a23e65a3dbaef9e1b1f7cd2b0073c601071db4cb [INFO] running `Command { std: "docker" "start" "-a" "11f429f322759aaf8b50ae48a23e65a3dbaef9e1b1f7cd2b0073c601071db4cb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling llvm-sys v100.1.0 [INFO] [stderr] Checking elgin v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `typ`, `msg`, `pos`, and `len` are never read [INFO] [stdout] --> src/errors.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Error { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 34 | typ: ErrorType, [INFO] [stdout] | ^^^ [INFO] [stdout] 35 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | pos: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 37 | len: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/astgen.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 79 | UseStatement { [INFO] [stdout] | ------------ field in this variant [INFO] [stdout] 80 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/astgen.rs:525:27 [INFO] [stdout] | [INFO] [stdout] 525 | o => unreachable!(o), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `unreachable!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 525 | o => unreachable!("{}", o), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec` is dropped at end of statement [INFO] [stdout] --> src/llvm.rs:650:18 [INFO] [stdout] | [INFO] [stdout] 645 | let mut error_msg: *mut i8 = "" [INFO] [stdout] | __________________________________________- [INFO] [stdout] 646 | | .as_bytes() [INFO] [stdout] 647 | | .iter() [INFO] [stdout] 648 | | .map(|b| *b as i8) [INFO] [stdout] 649 | | .collect::>() [INFO] [stdout] | |____________________________________- this `Vec` is dropped at end of statement [INFO] [stdout] 650 | .as_mut_ptr(); [INFO] [stdout] | ^^^^^^^^^^ pointer created here [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` to a variable such that it outlives the pointer returned by `as_mut_ptr` [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: returning a pointer to a local variable will always result in a dangling pointer [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `typ`, `msg`, `pos`, and `len` are never read [INFO] [stdout] --> src/errors.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Error { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 34 | typ: ErrorType, [INFO] [stdout] | ^^^ [INFO] [stdout] 35 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | pos: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 37 | len: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/astgen.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 79 | UseStatement { [INFO] [stdout] | ------------ field in this variant [INFO] [stdout] 80 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/astgen.rs:525:27 [INFO] [stdout] | [INFO] [stdout] 525 | o => unreachable!(o), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `unreachable!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 525 | o => unreachable!("{}", o), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec` is dropped at end of statement [INFO] [stdout] --> src/llvm.rs:650:18 [INFO] [stdout] | [INFO] [stdout] 645 | let mut error_msg: *mut i8 = "" [INFO] [stdout] | __________________________________________- [INFO] [stdout] 646 | | .as_bytes() [INFO] [stdout] 647 | | .iter() [INFO] [stdout] 648 | | .map(|b| *b as i8) [INFO] [stdout] 649 | | .collect::>() [INFO] [stdout] | |____________________________________- this `Vec` is dropped at end of statement [INFO] [stdout] 650 | .as_mut_ptr(); [INFO] [stdout] | ^^^^^^^^^^ pointer created here [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` to a variable such that it outlives the pointer returned by `as_mut_ptr` [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: returning a pointer to a local variable will always result in a dangling pointer [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.06s [INFO] running `Command { std: "docker" "inspect" "11f429f322759aaf8b50ae48a23e65a3dbaef9e1b1f7cd2b0073c601071db4cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11f429f322759aaf8b50ae48a23e65a3dbaef9e1b1f7cd2b0073c601071db4cb", kill_on_drop: false }` [INFO] [stdout] 11f429f322759aaf8b50ae48a23e65a3dbaef9e1b1f7cd2b0073c601071db4cb