[INFO] cloning repository https://github.com/JefferyWang/03-macros [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JefferyWang/03-macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJefferyWang%2F03-macros", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJefferyWang%2F03-macros'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a50a5881ca01ace9516f1b6a2686887d4a8a488 [INFO] checking JefferyWang/03-macros against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJefferyWang%2F03-macros" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/JefferyWang/03-macros [INFO] finished tweaking git repo https://github.com/JefferyWang/03-macros [INFO] tweaked toml for git repo https://github.com/JefferyWang/03-macros written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JefferyWang/03-macros on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JefferyWang/03-macros 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e [INFO] running `Command { std: "docker" "start" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking ident_case v1.0.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking quote v1.0.36 [INFO] [stderr] Checking syn v2.0.61 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking darling_core v0.20.8 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling darling_macro v0.20.8 [INFO] [stderr] Checking darling v0.20.8 [INFO] [stderr] Checking macros v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stdout] error: useless conversion to the same type: `anyhow::Error` [INFO] [stdout] --> examples/my_try.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 7 | let ret = my_try!(f3(my_try!(f2(my_try!(f1("hello1")))))); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] ... [INFO] [stdout] 26 | macro_rules! my_try { [INFO] [stdout] ... [INFO] [stdout] 30 | Err(err) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `anyhow::Error` [INFO] [stdout] --> examples/my_try.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 7 | let ret = my_try!(f3(my_try!(f2(my_try!(f1("hello1")))))); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] ... [INFO] [stdout] 26 | macro_rules! my_try { [INFO] [stdout] ... [INFO] [stdout] 30 | Err(err) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `anyhow::Error` [INFO] [stdout] --> examples/my_try.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 7 | let ret = my_try!(f3(my_try!(f2(my_try!(f1("hello1")))))); [INFO] [stdout] | ----------------------------------------------- in this macro invocation [INFO] [stdout] ... [INFO] [stdout] 26 | macro_rules! my_try { [INFO] [stdout] ... [INFO] [stdout] 30 | Err(err) => return Err(err.into()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `macros` (example "my_try") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e", kill_on_drop: false }` [INFO] [stdout] 05978b90428813d20eff363a1eb1645a5346d3935f41c4b0fc9b219b1b9fce4e