[INFO] cloning repository https://github.com/WilliamVenner/fn_abi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/fn_abi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Ffn_abi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Ffn_abi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f15aaaa869cfda33c71c29b45abee2ab9b709b26
[INFO] testing WilliamVenner/fn_abi against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Ffn_abi" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WilliamVenner/fn_abi on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WilliamVenner/fn_abi
[INFO] finished tweaking git repo https://github.com/WilliamVenner/fn_abi
[INFO] tweaked toml for git repo https://github.com/WilliamVenner/fn_abi written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/WilliamVenner/fn_abi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3181040f14e467a7bae09b7114b197749dcda7e3e24f4e73be1155ba17656623
[INFO] running `Command { std: "docker" "start" "-a" "3181040f14e467a7bae09b7114b197749dcda7e3e24f4e73be1155ba17656623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3181040f14e467a7bae09b7114b197749dcda7e3e24f4e73be1155ba17656623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3181040f14e467a7bae09b7114b197749dcda7e3e24f4e73be1155ba17656623", kill_on_drop: false }`
[INFO] [stdout] 3181040f14e467a7bae09b7114b197749dcda7e3e24f4e73be1155ba17656623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a313af4e6d0529f4a471bed20d83bb7fdf803d72a1475c32348ab837672b37
[INFO] running `Command { std: "docker" "start" "-a" "68a313af4e6d0529f4a471bed20d83bb7fdf803d72a1475c32348ab837672b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling syn_squash v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fn_abi v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.52s
[INFO] running `Command { std: "docker" "inspect" "68a313af4e6d0529f4a471bed20d83bb7fdf803d72a1475c32348ab837672b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a313af4e6d0529f4a471bed20d83bb7fdf803d72a1475c32348ab837672b37", kill_on_drop: false }`
[INFO] [stdout] 68a313af4e6d0529f4a471bed20d83bb7fdf803d72a1475c32348ab837672b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95c67fe16028b4f7ee50dc827d1a8c400bdfc011b4169fbaca981c87d75a8c2
[INFO] running `Command { std: "docker" "start" "-a" "e95c67fe16028b4f7ee50dc827d1a8c400bdfc011b4169fbaca981c87d75a8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn_abi v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "e95c67fe16028b4f7ee50dc827d1a8c400bdfc011b4169fbaca981c87d75a8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95c67fe16028b4f7ee50dc827d1a8c400bdfc011b4169fbaca981c87d75a8c2", kill_on_drop: false }`
[INFO] [stdout] e95c67fe16028b4f7ee50dc827d1a8c400bdfc011b4169fbaca981c87d75a8c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 934a205c3ffef0a1c08446e0f280c94ac4b32c30ff37db6476fea3066135df28
[INFO] running `Command { std: "docker" "start" "-a" "934a205c3ffef0a1c08446e0f280c94ac4b32c30ff37db6476fea3066135df28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fn_abi-512341dfb1f1f4d1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fn_abi
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - abi (line 159) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - abi (line 159) stdout ----
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]  --> src/lib.rs:161:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate fn_abi;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `hello_world` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:170:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | extern fn hello_world() {
[INFO] [stdout]    | ----------------------- previous definition of the value `hello_world` here
[INFO] [stdout] ...
[INFO] [stdout] 13 | extern fn hello_world() {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ `hello_world` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `hello_world` must be defined only once in the value namespace of this block
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]  --> src/lib.rs:164:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern fn hello_world() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0428, E0468.
[INFO] [stdout] For more information about an error, try `rustc --explain E0428`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]  --> src/lib.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate fn_abi;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `hello_world` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | extern fn hello_world() {
[INFO] [stdout]    | ----------------------- previous definition of the value `hello_world` here
[INFO] [stdout] ...
[INFO] [stdout] 13 | extern fn hello_world() {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ `hello_world` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `hello_world` must be defined only once in the value namespace of this block
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]  --> src/lib.rs:14:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern fn hello_world() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0428, E0468.
[INFO] [stdout] For more information about an error, try `rustc --explain E0428`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout]     src/lib.rs - abi (line 159)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "934a205c3ffef0a1c08446e0f280c94ac4b32c30ff37db6476fea3066135df28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934a205c3ffef0a1c08446e0f280c94ac4b32c30ff37db6476fea3066135df28", kill_on_drop: false }`
[INFO] [stdout] 934a205c3ffef0a1c08446e0f280c94ac4b32c30ff37db6476fea3066135df28