[INFO] cloning repository https://github.com/davidpdrsn/oops-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidpdrsn/oops-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Foops-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Foops-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ddd382d00ae7fcc3b2bcb4de1054265b9fcd0f5
[INFO] checking davidpdrsn/oops-lang against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Foops-lang" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidpdrsn/oops-lang on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidpdrsn/oops-lang
[INFO] finished tweaking git repo https://github.com/davidpdrsn/oops-lang
[INFO] tweaked toml for git repo https://github.com/davidpdrsn/oops-lang written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/davidpdrsn/oops-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25178ae0fce912b4776527b7616a9711914be4c566f27771e794ef11a8046e60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25178ae0fce912b4776527b7616a9711914be4c566f27771e794ef11a8046e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25178ae0fce912b4776527b7616a9711914be4c566f27771e794ef11a8046e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25178ae0fce912b4776527b7616a9711914be4c566f27771e794ef11a8046e60", kill_on_drop: false }`
[INFO] [stdout] 25178ae0fce912b4776527b7616a9711914be4c566f27771e794ef11a8046e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 004b0c9307b6b07f3a675b71c88ee17a240482677221e6bd48c1fe4c9f221384
[INFO] running `Command { std: "docker" "start" "-a" "004b0c9307b6b07f3a675b71c88ee17a240482677221e6bd48c1fe4c9f221384", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking oops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/error.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | / macro_rules! assert_error {
[INFO] [stdout] 171 | |     ($result:expr, $pat:pat) => {
[INFO] [stdout] 172 | |         match $result {
[INFO] [stdout] 173 | |             Err($pat) => {}
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     };
[INFO] [stdout] 177 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]  --> src/interpret/mod.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::prep::{self, Class, Field};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_map::Keys`
[INFO] [stdout]  --> src/interpret/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::{hash_map::Keys, HashMap},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClassVTable`
[INFO] [stdout]  --> src/prep/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     interpret::{ClassVTable, VTable},
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/error.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | / macro_rules! assert_error {
[INFO] [stdout] 171 | |     ($result:expr, $pat:pat) => {
[INFO] [stdout] 172 | |         match $result {
[INFO] [stdout] 173 | |             Err($pat) => {}
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |     };
[INFO] [stdout] 177 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Field`
[INFO] [stdout]  --> src/interpret/mod.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::prep::{self, Class, Field};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_map::Keys`
[INFO] [stdout]  --> src/interpret/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::{hash_map::Keys, HashMap},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClassVTable`
[INFO] [stdout]  --> src/prep/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     interpret::{ClassVTable, VTable},
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/interpret/mod.rs:78:34
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn visit_let_ivar(&mut self, node: &'a LetIVar<'a>) -> Result<'a, ()> {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/interpret/mod.rs:78:34
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn visit_let_ivar(&mut self, node: &'a LetIVar<'a>) -> Result<'a, ()> {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IVarAccessedWithoutSelf`
[INFO] [stdout]   --> src/error.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     IVarAccessedWithoutSelf(Span),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IVarAccessedOnNonInstanceValue`
[INFO] [stdout]   --> src/error.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     IVarAccessedOnNonInstanceValue(Span),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_specific_class_name`
[INFO] [stdout]   --> src/parse/mod.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn parse_specific_class_name(&mut self, name: &str) -> Result<'a, ClassName<'a>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IVarAccessedWithoutSelf`
[INFO] [stdout]   --> src/error.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     IVarAccessedWithoutSelf(Span),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IVarAccessedOnNonInstanceValue`
[INFO] [stdout]   --> src/error.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     IVarAccessedOnNonInstanceValue(Span),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_specific_class_name`
[INFO] [stdout]   --> src/parse/mod.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn parse_specific_class_name(&mut self, name: &str) -> Result<'a, ClassName<'a>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.37s
[INFO] running `Command { std: "docker" "inspect" "004b0c9307b6b07f3a675b71c88ee17a240482677221e6bd48c1fe4c9f221384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004b0c9307b6b07f3a675b71c88ee17a240482677221e6bd48c1fe4c9f221384", kill_on_drop: false }`
[INFO] [stdout] 004b0c9307b6b07f3a675b71c88ee17a240482677221e6bd48c1fe4c9f221384