[INFO] fetching crate cardinal_backend 0.1.1...
[INFO] testing cardinal_backend-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cardinal_backend 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cardinal_backend 0.1.1
[INFO] finished tweaking crates.io crate cardinal_backend 0.1.1
[INFO] tweaked toml for crates.io crate cardinal_backend 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cardinal_backend 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cardinal_backend 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6d2078bfe5b1de19514ae49ea8578553bcc1b8a33037fc6dd76d1e9c8a732f
[INFO] running `Command { std: "docker" "start" "-a" "7b6d2078bfe5b1de19514ae49ea8578553bcc1b8a33037fc6dd76d1e9c8a732f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6d2078bfe5b1de19514ae49ea8578553bcc1b8a33037fc6dd76d1e9c8a732f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6d2078bfe5b1de19514ae49ea8578553bcc1b8a33037fc6dd76d1e9c8a732f", kill_on_drop: false }`
[INFO] [stdout] 7b6d2078bfe5b1de19514ae49ea8578553bcc1b8a33037fc6dd76d1e9c8a732f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ecdd4e468f6060f449e928b9640297202fe1f1387943f43dbcac34719b165dd
[INFO] running `Command { std: "docker" "start" "-a" "5ecdd4e468f6060f449e928b9640297202fe1f1387943f43dbcac34719b165dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cardinal_backend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "5ecdd4e468f6060f449e928b9640297202fe1f1387943f43dbcac34719b165dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecdd4e468f6060f449e928b9640297202fe1f1387943f43dbcac34719b165dd", kill_on_drop: false }`
[INFO] [stdout] 5ecdd4e468f6060f449e928b9640297202fe1f1387943f43dbcac34719b165dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5efb4f74b24328407dfb3202d9f47a9816bf89a9cf039af10b4099ce13328b
[INFO] running `Command { std: "docker" "start" "-a" "ff5efb4f74b24328407dfb3202d9f47a9816bf89a9cf039af10b4099ce13328b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cardinal_backend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ValueType`
[INFO] [stdout]  --> examples/function.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cardinal_backend::{ Function, FunctionBuilder, ValueType, Value };
[INFO] [stdout]   |                                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "ff5efb4f74b24328407dfb3202d9f47a9816bf89a9cf039af10b4099ce13328b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5efb4f74b24328407dfb3202d9f47a9816bf89a9cf039af10b4099ce13328b", kill_on_drop: false }`
[INFO] [stdout] ff5efb4f74b24328407dfb3202d9f47a9816bf89a9cf039af10b4099ce13328b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0fd6db8f102e4b9de34e05b535ebd75547e05589921de124bfc5a57ae7cc1e4
[INFO] running `Command { std: "docker" "start" "-a" "e0fd6db8f102e4b9de34e05b535ebd75547e05589921de124bfc5a57ae7cc1e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ValueType`
[INFO] [stderr]  --> examples/function.rs:1:52
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cardinal_backend::{ Function, FunctionBuilder, ValueType, Value };
[INFO] [stderr]   |                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cardinal_backend` (example "function") generated 1 warning (run `cargo fix --example "function" -p cardinal_backend` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cardinal_backend-77d2d33fb7d4d4a9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cardinal_backend
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/opcode.rs - opcode::Opcode::IntegerAdd (line 19) ... FAILED
[INFO] [stdout] test src/opcode.rs - opcode::Opcode::IntegerNegate (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/opcode.rs - opcode::Opcode::IntegerAdd (line 19) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]   --> src/opcode.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | x = y + z
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 20 | let x = y + z
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y` in this scope
[INFO] [stdout]   --> src/opcode.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | x = y + z
[INFO] [stdout]    |     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `z` in this scope
[INFO] [stdout]   --> src/opcode.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | x = y + z
[INFO] [stdout]    |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/opcode.rs - opcode::Opcode::IntegerNegate (line 30) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]   --> src/opcode.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | x = -y
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 31 | let x = -y
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y` in this scope
[INFO] [stdout]   --> src/opcode.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | x = -y
[INFO] [stdout]    |      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/opcode.rs - opcode::Opcode::IntegerAdd (line 19)
[INFO] [stdout]     src/opcode.rs - opcode::Opcode::IntegerNegate (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e0fd6db8f102e4b9de34e05b535ebd75547e05589921de124bfc5a57ae7cc1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fd6db8f102e4b9de34e05b535ebd75547e05589921de124bfc5a57ae7cc1e4", kill_on_drop: false }`
[INFO] [stdout] e0fd6db8f102e4b9de34e05b535ebd75547e05589921de124bfc5a57ae7cc1e4
