[INFO] cloning repository https://github.com/fasterthanlime/netherquote
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fasterthanlime/netherquote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fnetherquote", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fnetherquote'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6385e004796ed60690dd8dd230572649f9c3fc72
[INFO] building fasterthanlime/netherquote against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fnetherquote" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fasterthanlime/netherquote on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/fasterthanlime/netherquote
[INFO] finished tweaking git repo https://github.com/fasterthanlime/netherquote
[INFO] tweaked toml for git repo https://github.com/fasterthanlime/netherquote written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fasterthanlime/netherquote already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structmeta-derive v0.1.4
[INFO] [stderr]   Downloaded parse-display-derive v0.5.5
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[INFO] [stderr]   Downloaded syn v1.0.87
[INFO] [stderr]   Downloaded knuffel-derive v1.1.0
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 934231f672478e51795ec4018e79db930ba0501e1568c15e4f6600df5e1f2d12
[INFO] running `Command { std: "docker" "start" "-a" "934231f672478e51795ec4018e79db930ba0501e1568c15e4f6600df5e1f2d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "934231f672478e51795ec4018e79db930ba0501e1568c15e4f6600df5e1f2d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934231f672478e51795ec4018e79db930ba0501e1568c15e4f6600df5e1f2d12", kill_on_drop: false }`
[INFO] [stdout] 934231f672478e51795ec4018e79db930ba0501e1568c15e4f6600df5e1f2d12
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cbaa979ec6b72009d3e25e09b92fa8f66600d8c4a2c6e343e0a1d05c652d280
[INFO] running `Command { std: "docker" "start" "-a" "6cbaa979ec6b72009d3e25e09b92fa8f66600d8c4a2c6e343e0a1d05c652d280", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.87
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling once_cell v1.10.0
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[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
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[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling owo-colors v3.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling smawk v0.3.1
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[INFO] [stderr]    Compiling serde v1.0.136
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
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[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling structmeta-derive v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v3.3.0
[INFO] [stderr]    Compiling knuffel-derive v1.1.0
[INFO] [stderr]    Compiling structmeta v0.1.4
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[INFO] [stderr]    Compiling thiserror v1.0.30
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[INFO] [stderr]    Compiling parse-display v0.5.5
[INFO] [stderr]    Compiling netherquote v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `environment`, `frontend`, and `backend` are never read
[INFO] [stdout]   --> src/config.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 23 |     pub environment: Environment,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub frontend: Option<FrontendConfig>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 25 |     pub backend: Option<BackendConfig>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `listen` and `backend` are never read
[INFO] [stdout]   --> src/config.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct FrontendConfig {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 83 |     pub listen: SocketAddr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 84 |     pub backend: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FrontendConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `listen` is never read
[INFO] [stdout]    --> src/config.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct BackendConfig {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 112 |     pub listen: SocketAddr,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BackendConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: structmeta-derive v0.1.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6cbaa979ec6b72009d3e25e09b92fa8f66600d8c4a2c6e343e0a1d05c652d280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbaa979ec6b72009d3e25e09b92fa8f66600d8c4a2c6e343e0a1d05c652d280", kill_on_drop: false }`
[INFO] [stdout] 6cbaa979ec6b72009d3e25e09b92fa8f66600d8c4a2c6e343e0a1d05c652d280
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c458f838352a2d21aea27368eecadef078e21de2a2c413bf79141b3b111354
[INFO] running `Command { std: "docker" "start" "-a" "68c458f838352a2d21aea27368eecadef078e21de2a2c413bf79141b3b111354", kill_on_drop: false }`
[INFO] [stderr]    Compiling netherquote v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `environment`, `frontend`, and `backend` are never read
[INFO] [stdout]   --> src/config.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 23 |     pub environment: Environment,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub frontend: Option<FrontendConfig>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 25 |     pub backend: Option<BackendConfig>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `listen` and `backend` are never read
[INFO] [stdout]   --> src/config.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct FrontendConfig {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 83 |     pub listen: SocketAddr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 84 |     pub backend: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FrontendConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `listen` is never read
[INFO] [stdout]    --> src/config.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct BackendConfig {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 112 |     pub listen: SocketAddr,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BackendConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: structmeta-derive v0.1.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "68c458f838352a2d21aea27368eecadef078e21de2a2c413bf79141b3b111354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c458f838352a2d21aea27368eecadef078e21de2a2c413bf79141b3b111354", kill_on_drop: false }`
[INFO] [stdout] 68c458f838352a2d21aea27368eecadef078e21de2a2c413bf79141b3b111354