[INFO] fetching crate seam_argparse_proc_macro 0.1.1...
[INFO] checking seam_argparse_proc_macro-0.1.1 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate seam_argparse_proc_macro 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate seam_argparse_proc_macro 0.1.1 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seam_argparse_proc_macro 0.1.1
[INFO] finished tweaking crates.io crate seam_argparse_proc_macro 0.1.1
[INFO] tweaked toml for crates.io crate seam_argparse_proc_macro 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate seam_argparse_proc_macro 0.1.1 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f0bff5b1a1d83608a48c738b8e25c1895dfe46ba68c3da8e20810e48687c9be
[INFO] running `Command { std: "docker" "start" "-a" "8f0bff5b1a1d83608a48c738b8e25c1895dfe46ba68c3da8e20810e48687c9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0bff5b1a1d83608a48c738b8e25c1895dfe46ba68c3da8e20810e48687c9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0bff5b1a1d83608a48c738b8e25c1895dfe46ba68c3da8e20810e48687c9be", kill_on_drop: false }`
[INFO] [stdout] 8f0bff5b1a1d83608a48c738b8e25c1895dfe46ba68c3da8e20810e48687c9be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b78d60369e1f6676a8db93834919a5aad112b887b390fd6a589484c305a7398
[INFO] running `Command { std: "docker" "start" "-a" "4b78d60369e1f6676a8db93834919a5aad112b887b390fd6a589484c305a7398", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.89
[INFO] [stderr]     Checking seam_argparse_proc_macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `proc_macro2::TokenStream` to `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 |     }, pat.into()).expect("failed");
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seam_argparse_proc_macro` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `proc_macro2::TokenStream` to `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 |     }, pat.into()).expect("failed");
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seam_argparse_proc_macro` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4b78d60369e1f6676a8db93834919a5aad112b887b390fd6a589484c305a7398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b78d60369e1f6676a8db93834919a5aad112b887b390fd6a589484c305a7398", kill_on_drop: false }`
[INFO] [stdout] 4b78d60369e1f6676a8db93834919a5aad112b887b390fd6a589484c305a7398