[INFO] cloning repository https://github.com/chernomor/ops4struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chernomor/ops4struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchernomor%2Fops4struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchernomor%2Fops4struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ceb2d73046edca845a7d7fe95283cedd9f224c0
[INFO] checking chernomor/ops4struct against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchernomor%2Fops4struct" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chernomor/ops4struct 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 git repo https://github.com/chernomor/ops4struct
[INFO] finished tweaking git repo https://github.com/chernomor/ops4struct
[INFO] tweaked toml for git repo https://github.com/chernomor/ops4struct written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chernomor/ops4struct 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9dae395b3842952f930a5b73078f69b05a8a9aed65b9b6fd3a0552b0aaf68b33
[INFO] running `Command { std: "docker" "start" "-a" "9dae395b3842952f930a5b73078f69b05a8a9aed65b9b6fd3a0552b0aaf68b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dae395b3842952f930a5b73078f69b05a8a9aed65b9b6fd3a0552b0aaf68b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dae395b3842952f930a5b73078f69b05a8a9aed65b9b6fd3a0552b0aaf68b33", kill_on_drop: false }`
[INFO] [stdout] 9dae395b3842952f930a5b73078f69b05a8a9aed65b9b6fd3a0552b0aaf68b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 50c34b18c4e66915555c4223b2c91c7c741fdd6ee4aac9b781be14fcb30a6e1e
[INFO] running `Command { std: "docker" "start" "-a" "50c34b18c4e66915555c4223b2c91c7c741fdd6ee4aac9b781be14fcb30a6e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking ops4struct_derive v0.1.0 (/opt/rustwide/workdir/ops4struct_derive)
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]   --> ops4struct_derive/src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |               None => return quote_spanned! {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 25 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 26 | |             }.into(),
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]   --> ops4struct_derive/src/lib.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |               None => return quote_spanned! {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 83 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 84 | |             }.into(),
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]    --> ops4struct_derive/src/lib.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |               None => return quote_spanned! {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 121 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 122 | |             }.into(),
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]    --> ops4struct_derive/src/lib.rs:178:28
[INFO] [stdout]     |
[INFO] [stdout] 178 |               None => return quote_spanned! {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 179 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 180 | |             }.into(),
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ops4struct_derive` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]   --> ops4struct_derive/src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |               None => return quote_spanned! {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 25 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 26 | |             }.into(),
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]   --> ops4struct_derive/src/lib.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |               None => return quote_spanned! {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 83 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 84 | |             }.into(),
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]    --> ops4struct_derive/src/lib.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |               None => return quote_spanned! {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 121 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 122 | |             }.into(),
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `TokenStream2` to `TokenStream2`
[INFO] [stdout]    --> ops4struct_derive/src/lib.rs:178:28
[INFO] [stdout]     |
[INFO] [stdout] 178 |               None => return quote_spanned! {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 179 | |                 field.ty.span()=>compile_error!("You can only derive this on structs with named fields!");
[INFO] [stdout] 180 | |             }.into(),
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ops4struct_derive` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "50c34b18c4e66915555c4223b2c91c7c741fdd6ee4aac9b781be14fcb30a6e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c34b18c4e66915555c4223b2c91c7c741fdd6ee4aac9b781be14fcb30a6e1e", kill_on_drop: false }`
[INFO] [stdout] 50c34b18c4e66915555c4223b2c91c7c741fdd6ee4aac9b781be14fcb30a6e1e