[INFO] fetching crate strand-derive 0.5.1...
[INFO] building strand-derive-0.5.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate strand-derive 0.5.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate strand-derive 0.5.1
[INFO] finished tweaking crates.io crate strand-derive 0.5.1
[INFO] tweaked toml for crates.io crate strand-derive 0.5.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate strand-derive 0.5.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b370c426af03d0a9300221885c14430d8164391e8b21b6a2a1c1ef48ee854beb
[INFO] running `Command { std: "docker" "start" "-a" "b370c426af03d0a9300221885c14430d8164391e8b21b6a2a1c1ef48ee854beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b370c426af03d0a9300221885c14430d8164391e8b21b6a2a1c1ef48ee854beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b370c426af03d0a9300221885c14430d8164391e8b21b6a2a1c1ef48ee854beb", kill_on_drop: false }`
[INFO] [stdout] b370c426af03d0a9300221885c14430d8164391e8b21b6a2a1c1ef48ee854beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87780427b541912c61a57b308490a4239879775d5e563a9238ff463f7df65231
[INFO] running `Command { std: "docker" "start" "-a" "87780427b541912c61a57b308490a4239879775d5e563a9238ff463f7df65231", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling strand-derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/strand_struct.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_fields(input: &syn::DeriveInput) -> syn::Result<(Vec<Field>, Extras)> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^                      ^^^^^   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                                      |
[INFO] [stdout]    |                      |                                      the same lifetime is hidden here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_fields(input: &syn::DeriveInput) -> syn::Result<(Vec<Field<'_>>, Extras<'_>)> {
[INFO] [stdout]    |                                                                  ++++         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/strand_enum.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_variants(input: &syn::DeriveInput) -> syn::Result<(Vec<Prefix>, Vec<Name>, Option<Other>)> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^                      ^^^^^^       ^^^^          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                                      |            |
[INFO] [stdout]     |                        |                                      |            the same lifetime is hidden here
[INFO] [stdout]     |                        |                                      the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_variants(input: &syn::DeriveInput) -> syn::Result<(Vec<Prefix<'_>>, Vec<Name<'_>>, Option<Other<'_>>)> {
[INFO] [stdout]     |                                                                     ++++           ++++               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "87780427b541912c61a57b308490a4239879775d5e563a9238ff463f7df65231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87780427b541912c61a57b308490a4239879775d5e563a9238ff463f7df65231", kill_on_drop: false }`
[INFO] [stdout] 87780427b541912c61a57b308490a4239879775d5e563a9238ff463f7df65231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce75e6305f3186e47803e2290c8ffed79eae9710d5c79a653ab08455a891a924
[INFO] running `Command { std: "docker" "start" "-a" "ce75e6305f3186e47803e2290c8ffed79eae9710d5c79a653ab08455a891a924", kill_on_drop: false }`
[INFO] [stderr]    Compiling strand-derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/strand_struct.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_fields(input: &syn::DeriveInput) -> syn::Result<(Vec<Field>, Extras)> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^                      ^^^^^   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                                      |
[INFO] [stdout]    |                      |                                      the same lifetime is hidden here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_fields(input: &syn::DeriveInput) -> syn::Result<(Vec<Field<'_>>, Extras<'_>)> {
[INFO] [stdout]    |                                                                  ++++         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/strand_enum.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_variants(input: &syn::DeriveInput) -> syn::Result<(Vec<Prefix>, Vec<Name>, Option<Other>)> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^                      ^^^^^^       ^^^^          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                                      |            |
[INFO] [stdout]     |                        |                                      |            the same lifetime is hidden here
[INFO] [stdout]     |                        |                                      the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_variants(input: &syn::DeriveInput) -> syn::Result<(Vec<Prefix<'_>>, Vec<Name<'_>>, Option<Other<'_>>)> {
[INFO] [stdout]     |                                                                     ++++           ++++               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/strand_struct.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_fields(input: &syn::DeriveInput) -> syn::Result<(Vec<Field>, Extras)> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^                      ^^^^^   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                                      |
[INFO] [stdout]    |                      |                                      the same lifetime is hidden here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_fields(input: &syn::DeriveInput) -> syn::Result<(Vec<Field<'_>>, Extras<'_>)> {
[INFO] [stdout]    |                                                                  ++++         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/strand_enum.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_variants(input: &syn::DeriveInput) -> syn::Result<(Vec<Prefix>, Vec<Name>, Option<Other>)> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^                      ^^^^^^       ^^^^          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                                      |            |
[INFO] [stdout]     |                        |                                      |            the same lifetime is hidden here
[INFO] [stdout]     |                        |                                      the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn get_variants(input: &syn::DeriveInput) -> syn::Result<(Vec<Prefix<'_>>, Vec<Name<'_>>, Option<Other<'_>>)> {
[INFO] [stdout]     |                                                                     ++++           ++++               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "ce75e6305f3186e47803e2290c8ffed79eae9710d5c79a653ab08455a891a924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce75e6305f3186e47803e2290c8ffed79eae9710d5c79a653ab08455a891a924", kill_on_drop: false }`
[INFO] [stdout] ce75e6305f3186e47803e2290c8ffed79eae9710d5c79a653ab08455a891a924
