[INFO] fetching crate nova 0.5.4...
[INFO] testing nova-0.5.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate nova 0.5.4 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nova 0.5.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb1421bac09845e19035bfb2b8f1e25b7f694a8a96764fc89c565a2918da7999
[INFO] running `Command { std: "docker" "start" "-a" "cb1421bac09845e19035bfb2b8f1e25b7f694a8a96764fc89c565a2918da7999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb1421bac09845e19035bfb2b8f1e25b7f694a8a96764fc89c565a2918da7999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1421bac09845e19035bfb2b8f1e25b7f694a8a96764fc89c565a2918da7999", kill_on_drop: false }`
[INFO] [stdout] cb1421bac09845e19035bfb2b8f1e25b7f694a8a96764fc89c565a2918da7999
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6fb592f4e586676f05ab37c863dec7ff936e2286a6ae1309c8515ba5622bfa8
[INFO] running `Command { std: "docker" "start" "-a" "b6fb592f4e586676f05ab37c863dec7ff936e2286a6ae1309c8515ba5622bfa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[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 8.00s
[INFO] running `Command { std: "docker" "inspect" "b6fb592f4e586676f05ab37c863dec7ff936e2286a6ae1309c8515ba5622bfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fb592f4e586676f05ab37c863dec7ff936e2286a6ae1309c8515ba5622bfa8", kill_on_drop: false }`
[INFO] [stdout] b6fb592f4e586676f05ab37c863dec7ff936e2286a6ae1309c8515ba5622bfa8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64981dd9e9ec4ba037a4a2283b2e35c2f41b49b17ac6780e0a4c4641dcb20cf7
[INFO] running `Command { std: "docker" "start" "-a" "64981dd9e9ec4ba037a4a2283b2e35c2f41b49b17ac6780e0a4c4641dcb20cf7", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "64981dd9e9ec4ba037a4a2283b2e35c2f41b49b17ac6780e0a4c4641dcb20cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64981dd9e9ec4ba037a4a2283b2e35c2f41b49b17ac6780e0a4c4641dcb20cf7", kill_on_drop: false }`
[INFO] [stdout] 64981dd9e9ec4ba037a4a2283b2e35c2f41b49b17ac6780e0a4c4641dcb20cf7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bd47ff4d6ccfcc3e30ec04291d109db48b7c5fd346f5e2ffa544894877f37d2
[INFO] running `Command { std: "docker" "start" "-a" "6bd47ff4d6ccfcc3e30ec04291d109db48b7c5fd346f5e2ffa544894877f37d2", 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 ahhh2 ... ok
[INFO] [stdout] test ahhh4 ... ok
[INFO] [stdout] test ahhh5 ... ok
[INFO] [stderr]    Doc-tests nova
[INFO] [stdout] test ahhh ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "6bd47ff4d6ccfcc3e30ec04291d109db48b7c5fd346f5e2ffa544894877f37d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd47ff4d6ccfcc3e30ec04291d109db48b7c5fd346f5e2ffa544894877f37d2", kill_on_drop: false }`
[INFO] [stdout] 6bd47ff4d6ccfcc3e30ec04291d109db48b7c5fd346f5e2ffa544894877f37d2