[INFO] fetching crate tagname 0.3.1...
[INFO] building tagname-0.3.1 against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] extracting crate tagname 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tagname 0.3.1 on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tagname 0.3.1
[INFO] finished tweaking crates.io crate tagname 0.3.1
[INFO] tweaked toml for crates.io crate tagname 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59968fc55e0a22a0612a4e8ec2d722c0c2b85516dcc3ffc6364b7065da630181
[INFO] running `Command { std: "docker" "start" "-a" "59968fc55e0a22a0612a4e8ec2d722c0c2b85516dcc3ffc6364b7065da630181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59968fc55e0a22a0612a4e8ec2d722c0c2b85516dcc3ffc6364b7065da630181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59968fc55e0a22a0612a4e8ec2d722c0c2b85516dcc3ffc6364b7065da630181", kill_on_drop: false }`
[INFO] [stdout] 59968fc55e0a22a0612a4e8ec2d722c0c2b85516dcc3ffc6364b7065da630181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df62f3f4664c6c149c7eaaa0ba5d75bdad8ebcd5385ad9b9e1ea21674a5ab16b
[INFO] running `Command { std: "docker" "start" "-a" "df62f3f4664c6c149c7eaaa0ba5d75bdad8ebcd5385ad9b9e1ea21674a5ab16b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling tagname_derive v0.3.1
[INFO] [stderr]    Compiling tagname v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "df62f3f4664c6c149c7eaaa0ba5d75bdad8ebcd5385ad9b9e1ea21674a5ab16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df62f3f4664c6c149c7eaaa0ba5d75bdad8ebcd5385ad9b9e1ea21674a5ab16b", kill_on_drop: false }`
[INFO] [stdout] df62f3f4664c6c149c7eaaa0ba5d75bdad8ebcd5385ad9b9e1ea21674a5ab16b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 386c88fad43e8bc22b06b2970f3941215bad81adac491f1087a7b103914ed09f
[INFO] running `Command { std: "docker" "start" "-a" "386c88fad43e8bc22b06b2970f3941215bad81adac491f1087a7b103914ed09f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling trybuild v1.0.103
[INFO] [stderr]    Compiling tagname v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tagname.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Maybe(usize),
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Maybe(usize),
[INFO] [stdout] 24 +     Maybe(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/tagname.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Maybe2(usize, usize),
[INFO] [stdout]    |     ------ ^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Maybe2(usize, usize),
[INFO] [stdout] 25 +     Maybe2((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tagname.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Maybe3(Arbitrary),
[INFO] [stdout]    |     ------ ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Maybe3(Arbitrary),
[INFO] [stdout] 26 +     Maybe3(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tagname.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Maybe(usize),
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Maybe(usize),
[INFO] [stdout] 35 +     Maybe(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tagname.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |     LowerWith(usize),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -     LowerWith(usize),
[INFO] [stdout] 45 +     LowerWith(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tagname.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     UpperWith(usize),
[INFO] [stdout]    |     --------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 47 -     UpperWith(usize),
[INFO] [stdout] 47 +     UpperWith(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tagname.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Normal(usize),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 48 -     Normal(usize),
[INFO] [stdout] 48 +     Normal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.31s
[INFO] running `Command { std: "docker" "inspect" "386c88fad43e8bc22b06b2970f3941215bad81adac491f1087a7b103914ed09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386c88fad43e8bc22b06b2970f3941215bad81adac491f1087a7b103914ed09f", kill_on_drop: false }`
[INFO] [stdout] 386c88fad43e8bc22b06b2970f3941215bad81adac491f1087a7b103914ed09f