[INFO] fetching crate nova 0.5.4...
[INFO] testing nova-0.5.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate nova 0.5.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate nova 0.5.4
[INFO] finished tweaking crates.io crate nova 0.5.4
[INFO] tweaked toml for crates.io crate nova 0.5.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nova 0.5.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nova-impl v0.5.4
[INFO] [stderr]   Downloaded nova-macro v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 754a35c3e6f36840553bc414a4fb08240de78066552b33f7921ff39cb736f32c
[INFO] running `Command { std: "docker" "start" "-a" "754a35c3e6f36840553bc414a4fb08240de78066552b33f7921ff39cb736f32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "754a35c3e6f36840553bc414a4fb08240de78066552b33f7921ff39cb736f32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754a35c3e6f36840553bc414a4fb08240de78066552b33f7921ff39cb736f32c", kill_on_drop: false }`
[INFO] [stdout] 754a35c3e6f36840553bc414a4fb08240de78066552b33f7921ff39cb736f32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2a7b187e313eec6ce3f54cda12d7718053ec637d14b394a9388e6951f303e5
[INFO] running `Command { std: "docker" "start" "-a" "eb2a7b187e313eec6ce3f54cda12d7718053ec637d14b394a9388e6951f303e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling nova-impl v0.5.4
[INFO] [stderr]    Compiling nova-macro v0.5.4
[INFO] [stderr]    Compiling nova v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "eb2a7b187e313eec6ce3f54cda12d7718053ec637d14b394a9388e6951f303e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2a7b187e313eec6ce3f54cda12d7718053ec637d14b394a9388e6951f303e5", kill_on_drop: false }`
[INFO] [stdout] eb2a7b187e313eec6ce3f54cda12d7718053ec637d14b394a9388e6951f303e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5454cf7ff251aaaa77f2d442208ec6b5acdd27ae24e1f6d7fd9aff38ab017b1a
[INFO] running `Command { std: "docker" "start" "-a" "5454cf7ff251aaaa77f2d442208ec6b5acdd27ae24e1f6d7fd9aff38ab017b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nova v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/basic.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |     struct DebugCopyClone(u32);
[INFO] [stdout]    |            -------------- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `DebugCopyClone` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5454cf7ff251aaaa77f2d442208ec6b5acdd27ae24e1f6d7fd9aff38ab017b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5454cf7ff251aaaa77f2d442208ec6b5acdd27ae24e1f6d7fd9aff38ab017b1a", kill_on_drop: false }`
[INFO] [stdout] 5454cf7ff251aaaa77f2d442208ec6b5acdd27ae24e1f6d7fd9aff38ab017b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cf86d3706502d6f68a9ffb4c05b294ce0596f417bdd9b96e276ddc38b6011f9
[INFO] running `Command { std: "docker" "start" "-a" "4cf86d3706502d6f68a9ffb4c05b294ce0596f417bdd9b96e276ddc38b6011f9", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> tests/basic.rs:46:27
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 46 |     struct DebugCopyClone(u32);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            -------------- ^^^
[INFO] [stdout] 
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `DebugCopyClone` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nova` (test "basic") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nova-25dd45ef483bc135)
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-282e62b2488f81d8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ahhh3 ... ok
[INFO] [stdout] test ahhh5 ... ok
[INFO] [stdout] test ahhh2 ... ok
[INFO] [stdout] test ahhh ... ok
[INFO] [stdout] test ahhh4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nova
[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] running `Command { std: "docker" "inspect" "4cf86d3706502d6f68a9ffb4c05b294ce0596f417bdd9b96e276ddc38b6011f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf86d3706502d6f68a9ffb4c05b294ce0596f417bdd9b96e276ddc38b6011f9", kill_on_drop: false }`
[INFO] [stdout] 4cf86d3706502d6f68a9ffb4c05b294ce0596f417bdd9b96e276ddc38b6011f9