[INFO] cloning repository https://github.com/chop0/aardvark-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chop0/aardvark-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Faardvark-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Faardvark-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d196180896a5dd38ab8309c45d055020c527417c
[INFO] checking chop0/aardvark-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Faardvark-rust" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chop0/aardvark-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chop0/aardvark-rust
[INFO] finished tweaking git repo https://github.com/chop0/aardvark-rust
[INFO] tweaked toml for git repo https://github.com/chop0/aardvark-rust written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/chop0/aardvark-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0c9a7e3113026225e00c51bfad746bbacb82770535a7ff773d40f4608ece7e
[INFO] running `Command { std: "docker" "start" "-a" "2d0c9a7e3113026225e00c51bfad746bbacb82770535a7ff773d40f4608ece7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0c9a7e3113026225e00c51bfad746bbacb82770535a7ff773d40f4608ece7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0c9a7e3113026225e00c51bfad746bbacb82770535a7ff773d40f4608ece7e", kill_on_drop: false }`
[INFO] [stdout] 2d0c9a7e3113026225e00c51bfad746bbacb82770535a7ff773d40f4608ece7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca01ba2918383411a6d6632efbe7bd3ffbb6d33374f9e4f56b53ec1164cb525
[INFO] running `Command { std: "docker" "start" "-a" "4ca01ba2918383411a6d6632efbe7bd3ffbb6d33374f9e4f56b53ec1164cb525", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking aardvark v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/var/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (5 fixes)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub(crate) parent: Option<&'a Frame<'a>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_child`
[INFO] [stdout]   --> src/frame.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn make_child(&'a self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `access_value`
[INFO] [stdout]   --> src/frame.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn access_value(&'a self, name: &'a str) -> AardvarkResult<Rc<dyn AardvarkValue>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub(crate) parent: Option<&'a Frame<'a>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_child`
[INFO] [stdout]   --> src/frame.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn make_child(&'a self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `access_value`
[INFO] [stdout]   --> src/frame.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn access_value(&'a self, name: &'a str) -> AardvarkResult<Rc<dyn AardvarkValue>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking aardvark v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub(crate) parent: Option<&'a Frame<'a>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_child`
[INFO] [stdout]   --> src/frame.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn make_child(&'a self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `access_value`
[INFO] [stdout]   --> src/frame.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn access_value(&'a self, name: &'a str) -> AardvarkResult<Rc<dyn AardvarkValue>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub(crate) parent: Option<&'a Frame<'a>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_child`
[INFO] [stdout]   --> src/frame.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn make_child(&'a self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `access_value`
[INFO] [stdout]   --> src/frame.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn access_value(&'a self, name: &'a str) -> AardvarkResult<Rc<dyn AardvarkValue>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ca01ba2918383411a6d6632efbe7bd3ffbb6d33374f9e4f56b53ec1164cb525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca01ba2918383411a6d6632efbe7bd3ffbb6d33374f9e4f56b53ec1164cb525", kill_on_drop: false }`
[INFO] [stdout] 4ca01ba2918383411a6d6632efbe7bd3ffbb6d33374f9e4f56b53ec1164cb525