[INFO] fetching crate named-tup-derive 0.3.1...
[INFO] testing named-tup-derive-0.3.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate named-tup-derive 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate named-tup-derive 0.3.1
[INFO] finished tweaking crates.io crate named-tup-derive 0.3.1
[INFO] tweaked toml for crates.io crate named-tup-derive 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate named-tup-derive 0.3.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding inwelling v0.4.0 (available: v0.5.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c29e83aa3352155e024f7e3b093da54aded9f400593fcf67dc58372f71b9ed
[INFO] running `Command { std: "docker" "start" "-a" "99c29e83aa3352155e024f7e3b093da54aded9f400593fcf67dc58372f71b9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c29e83aa3352155e024f7e3b093da54aded9f400593fcf67dc58372f71b9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c29e83aa3352155e024f7e3b093da54aded9f400593fcf67dc58372f71b9ed", kill_on_drop: false }`
[INFO] [stdout] 99c29e83aa3352155e024f7e3b093da54aded9f400593fcf67dc58372f71b9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5646c837766c399506b91f67f47fc06b6a7963b28862c1e24803b48fdea60c
[INFO] running `Command { std: "docker" "start" "-a" "cf5646c837766c399506b91f67f47fc06b6a7963b28862c1e24803b48fdea60c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling inwelling v0.4.0
[INFO] [stderr]    Compiling named-tup-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/tup_element.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TupElement {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 15 |     pub name: Ident,
[INFO] [stdout] 16 |     pub value: Option<Expr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "cf5646c837766c399506b91f67f47fc06b6a7963b28862c1e24803b48fdea60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5646c837766c399506b91f67f47fc06b6a7963b28862c1e24803b48fdea60c", kill_on_drop: false }`
[INFO] [stdout] cf5646c837766c399506b91f67f47fc06b6a7963b28862c1e24803b48fdea60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a85e175bff7103034d9572ee40f32c80e1ce2611d40636a0c2d850002de4df
[INFO] running `Command { std: "docker" "start" "-a" "b0a85e175bff7103034d9572ee40f32c80e1ce2611d40636a0c2d850002de4df", kill_on_drop: false }`
[INFO] [stderr]    Compiling named-tup-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/tup_element.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TupElement {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 15 |     pub name: Ident,
[INFO] [stdout] 16 |     pub value: Option<Expr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[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 1.10s
[INFO] running `Command { std: "docker" "inspect" "b0a85e175bff7103034d9572ee40f32c80e1ce2611d40636a0c2d850002de4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a85e175bff7103034d9572ee40f32c80e1ce2611d40636a0c2d850002de4df", kill_on_drop: false }`
[INFO] [stdout] b0a85e175bff7103034d9572ee40f32c80e1ce2611d40636a0c2d850002de4df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6f1fb39baf9d7871f059e1c5fdae8d0ee25153657a30e7fd2c040f70b308c8d
[INFO] running `Command { std: "docker" "start" "-a" "d6f1fb39baf9d7871f059e1c5fdae8d0ee25153657a30e7fd2c040f70b308c8d", kill_on_drop: false }`
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/tup_element.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct TupElement {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 15 |     pub name: Ident,
[INFO] [stderr] 16 |     pub value: Option<Expr>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `named-tup-derive` (build script) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/named_tup_derive-2670bb5f3170df67)
[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 named_tup_derive
[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" "d6f1fb39baf9d7871f059e1c5fdae8d0ee25153657a30e7fd2c040f70b308c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f1fb39baf9d7871f059e1c5fdae8d0ee25153657a30e7fd2c040f70b308c8d", kill_on_drop: false }`
[INFO] [stdout] d6f1fb39baf9d7871f059e1c5fdae8d0ee25153657a30e7fd2c040f70b308c8d