[INFO] cloning repository https://github.com/r-ushil/wacc-32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r-ushil/wacc-32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-ushil%2Fwacc-32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-ushil%2Fwacc-32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eb0733b5e652cdc88f752a811c42087a736187c
[INFO] testing r-ushil/wacc-32 against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-ushil%2Fwacc-32" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r-ushil/wacc-32 on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/r-ushil/wacc-32
[INFO] finished tweaking git repo https://github.com/r-ushil/wacc-32
[INFO] tweaked toml for git repo https://github.com/r-ushil/wacc-32 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/r-ushil/wacc-32 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brownstone v1.1.0
[INFO] [stderr]   Downloaded nom-supreme v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b71247c6e7033358deb5f7771e9323e7e1028b6f603620686de655700361572
[INFO] running `Command { std: "docker" "start" "-a" "9b71247c6e7033358deb5f7771e9323e7e1028b6f603620686de655700361572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b71247c6e7033358deb5f7771e9323e7e1028b6f603620686de655700361572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b71247c6e7033358deb5f7771e9323e7e1028b6f603620686de655700361572", kill_on_drop: false }`
[INFO] [stdout] 9b71247c6e7033358deb5f7771e9323e7e1028b6f603620686de655700361572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7beda7dbf4ea51ceecdf0ad7d1ed8d88c5f8505bf83e1536f1bd749551b40af
[INFO] running `Command { std: "docker" "start" "-a" "f7beda7dbf4ea51ceecdf0ad7d1ed8d88c5f8505bf83e1536f1bd749551b40af", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling brownstone v1.1.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling nom-supreme v0.6.0
[INFO] [stderr]    Compiling wacc_32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `many1`
[INFO] [stdout]  --> src/parser/shared.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |   multi::{many0, many1},
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "f7beda7dbf4ea51ceecdf0ad7d1ed8d88c5f8505bf83e1536f1bd749551b40af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7beda7dbf4ea51ceecdf0ad7d1ed8d88c5f8505bf83e1536f1bd749551b40af", kill_on_drop: false }`
[INFO] [stdout] f7beda7dbf4ea51ceecdf0ad7d1ed8d88c5f8505bf83e1536f1bd749551b40af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 603b29e2a67e4a9912d9c555f2f806f54d7a8e0d415599345d77689cadc1dad3
[INFO] running `Command { std: "docker" "start" "-a" "603b29e2a67e4a9912d9c555f2f806f54d7a8e0d415599345d77689cadc1dad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling wacc_32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Type::*`
[INFO] [stdout]   --> src/analyser/unify.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |   use Type::*;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `many1`
[INFO] [stdout]  --> src/parser/shared.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |   multi::{many0, many1},
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/analyser/expr.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 |       symbol_table.insert(&ident, t);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |       let _ = symbol_table.insert(&ident, t);
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/analyser/expr.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     symbol_table.insert(&x, x_type);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let _ = symbol_table.insert(&x, x_type);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/analyser/expr.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     symbol_table.insert(&x, x_type);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let _ = symbol_table.insert(&x, x_type);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/analyser/symbol_table.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     a.insert(&("foo".to_owned()), Type::Int);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let _ = a.insert(&("foo".to_owned()), Type::Int);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/analyser/symbol_table.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     b.insert(&b_ident, b_type.clone());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let _ = b.insert(&b_ident, b_type.clone());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/analyser/symbol_table.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     a.insert(&("baz".to_owned()), Type::Int);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = a.insert(&("baz".to_owned()), Type::Int);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/analyser/mod.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     symbol_table.insert(&id, Type::Array(Box::new(Type::Array(Box::new(Type::Int)))));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let _ = symbol_table.insert(&id, Type::Array(Box::new(Type::Array(Box::new(Type::Int)))));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "603b29e2a67e4a9912d9c555f2f806f54d7a8e0d415599345d77689cadc1dad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603b29e2a67e4a9912d9c555f2f806f54d7a8e0d415599345d77689cadc1dad3", kill_on_drop: false }`
[INFO] [stdout] 603b29e2a67e4a9912d9c555f2f806f54d7a8e0d415599345d77689cadc1dad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35efcf618f3fa9f6f8c8d8f8f993e7d1732e3410647043aa12b2b75c062b75f4
[INFO] running `Command { std: "docker" "start" "-a" "35efcf618f3fa9f6f8c8d8f8f993e7d1732e3410647043aa12b2b75c062b75f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Type::*`
[INFO] [stderr]   --> src/analyser/unify.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |   use Type::*;
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/parser/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `many1`
[INFO] [stderr]  --> src/parser/shared.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |   multi::{many0, many1},
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/analyser/expr.rs:95:7
[INFO] [stderr]    |
[INFO] [stderr] 95 |       symbol_table.insert(&ident, t);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 95 |       let _ = symbol_table.insert(&ident, t);
[INFO] [stderr]    |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/analyser/expr.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     symbol_table.insert(&x, x_type);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let _ = symbol_table.insert(&x, x_type);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/analyser/expr.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     symbol_table.insert(&x, x_type);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let _ = symbol_table.insert(&x, x_type);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/analyser/symbol_table.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     a.insert(&("foo".to_owned()), Type::Int);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let _ = a.insert(&("foo".to_owned()), Type::Int);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/analyser/symbol_table.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     b.insert(&b_ident, b_type.clone());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let _ = b.insert(&b_ident, b_type.clone());
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/analyser/symbol_table.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     a.insert(&("baz".to_owned()), Type::Int);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let _ = a.insert(&("baz".to_owned()), Type::Int);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/analyser/mod.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     symbol_table.insert(&id, Type::Array(Box::new(Type::Array(Box::new(Type::Int)))));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let _ = symbol_table.insert(&id, Type::Array(Box::new(Type::Array(Box::new(Type::Int)))));
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `wacc_32` (bin "wacc_32" test) generated 11 warnings (run `cargo fix --bin "wacc_32" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wacc_32-9bba847e759306e9)
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test analyser::expr::tests::array_elems ... ok
[INFO] [stdout] test analyser::symbol_table::tests::foo ... ok
[INFO] [stdout] test analyser::symbol_table::tests::test_table_update ... ok
[INFO] [stdout] test analyser::expr::tests::binary_apps ... ok
[INFO] [stdout] test analyser::tests::array_elems ... ok
[INFO] [stdout] test analyser::expr::tests::literals ... ok
[INFO] [stdout] test analyser::symbol_table::tests::test_table_lookup ... ok
[INFO] [stdout] test analyser::expr::tests::unary_apps ... ok
[INFO] [stdout] test analyser::program::tests::branching_return_types_checked ... ok
[INFO] [stdout] test analyser::expr::tests::idents ... ok
[INFO] [stdout] test analyser::stat::tests::assign_lhs ... ok
[INFO] [stdout] test analyser::tests::idents ... ok
[INFO] [stdout] test analyser::program::tests::func_parameters_checked ... ok
[INFO] [stdout] test analyser::unify::tests::types_unify_themselves ... ok
[INFO] [stdout] test parser::expr::tests::test_binary_oper ... ok
[INFO] [stdout] test parser::expr::tests::test_array_elem ... ok
[INFO] [stdout] test parser::expr::tests::test_expr_binary_app_add_products ... ok
[INFO] [stdout] test parser::expr::tests::test_expr ... ok
[INFO] [stdout] test parser::stat::tests::test_assign_lhs ... ok
[INFO] [stdout] test parser::expr::tests::test_expr_binary_app_brackets ... ok
[INFO] [stdout] test parser::stat::tests::test_pair_elem ... ok
[INFO] [stdout] test parser::expr::tests::test_expr_binary_app_brackets_desc ... ok
[INFO] [stdout] test parser::stat::tests::test_assign_rhs ... ok
[INFO] [stdout] test parser::expr::tests::test_expr_binary_app_sum_mult ... ok
[INFO] [stdout] test parser::expr::tests::test_expr_binary_app_products_eq ... ok
[INFO] [stdout] test parser::program::tests::test_param ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_ass_arr ... ok
[INFO] [stdout] test parser::program::tests::test_func ... ok
[INFO] [stdout] test parser::program::tests::test_program ... ok
[INFO] [stdout] test parser::shared::tests::test_comment_no_content ... ok
[INFO] [stdout] test parser::shared::tests::test_ident ... ok
[INFO] [stdout] test parser::shared::tests::test_many0_multispace0 ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_ass_array_pair ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_ass_binary_app_sum_mult ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_ass_idtype ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_int ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_bool ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_pair_int_int ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_array_char ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_pair_int_pair ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_pair_pair ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_array_pair ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_char ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_keyword ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_ass_int2 ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_array_string ... ok
[INFO] [stdout] test parser::expr::tests::test_unary_oper ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_array_int ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_pair_null ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_char_escape ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_free ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_dec_str ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_if ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_println ... ok
[INFO] [stdout] test parser::type_::tests::test_type_ ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_read ... ok
[INFO] [stdout] test parser::type_::tests::test_base_type ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_return ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_print ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_scope ... ok
[INFO] [stdout] test parser::type_::tests::test_pair_elem_type ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_while ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_skip ... ok
[INFO] [stdout] test parser::stat::tests::test_stat_exit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 64 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35efcf618f3fa9f6f8c8d8f8f993e7d1732e3410647043aa12b2b75c062b75f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35efcf618f3fa9f6f8c8d8f8f993e7d1732e3410647043aa12b2b75c062b75f4", kill_on_drop: false }`
[INFO] [stdout] 35efcf618f3fa9f6f8c8d8f8f993e7d1732e3410647043aa12b2b75c062b75f4
[INFO] testing r-ushil/wacc-32 against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-ushil%2Fwacc-32" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r-ushil/wacc-32 on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/r-ushil/wacc-32
[INFO] finished tweaking git repo https://github.com/r-ushil/wacc-32
[INFO] tweaked toml for git repo https://github.com/r-ushil/wacc-32 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/r-ushil/wacc-32 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: Insertion failed because database is full
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8813a1054a9dfb31cad729f0be87f765075ca0ca01f8ad7b0145788a3d6c24a
[INFO] running `Command { std: "docker" "start" "-a" "f8813a1054a9dfb31cad729f0be87f765075ca0ca01f8ad7b0145788a3d6c24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8813a1054a9dfb31cad729f0be87f765075ca0ca01f8ad7b0145788a3d6c24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8813a1054a9dfb31cad729f0be87f765075ca0ca01f8ad7b0145788a3d6c24a", kill_on_drop: false }`
[INFO] [stdout] f8813a1054a9dfb31cad729f0be87f765075ca0ca01f8ad7b0145788a3d6c24a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1b59ef0245344125e5778e3ee3b3e061bea7aa0649c2361a87e7cdd6c747491
[INFO] running `Command { std: "docker" "start" "-a" "f1b59ef0245344125e5778e3ee3b3e061bea7aa0649c2361a87e7cdd6c747491", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling brownstone v1.1.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaPqYDin/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nom` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f1b59ef0245344125e5778e3ee3b3e061bea7aa0649c2361a87e7cdd6c747491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b59ef0245344125e5778e3ee3b3e061bea7aa0649c2361a87e7cdd6c747491", kill_on_drop: false }`
[INFO] [stdout] f1b59ef0245344125e5778e3ee3b3e061bea7aa0649c2361a87e7cdd6c747491