[INFO] cloning repository https://github.com/Ralakus/tachyon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ralakus/tachyon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalakus%2Ftachyon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalakus%2Ftachyon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89fe2c8b4c7839b5cf9a85d3f06313a0d9b63e07
[INFO] testing Ralakus/tachyon against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalakus%2Ftachyon" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ralakus/tachyon on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ralakus/tachyon
[INFO] finished tweaking git repo https://github.com/Ralakus/tachyon
[INFO] tweaked toml for git repo https://github.com/Ralakus/tachyon written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04994a89ad8f932ed6db804228d613e9cf8b8c68d39dde29046b392153a56ba2
[INFO] running `Command { std: "docker" "start" "-a" "04994a89ad8f932ed6db804228d613e9cf8b8c68d39dde29046b392153a56ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04994a89ad8f932ed6db804228d613e9cf8b8c68d39dde29046b392153a56ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04994a89ad8f932ed6db804228d613e9cf8b8c68d39dde29046b392153a56ba2", kill_on_drop: false }`
[INFO] [stdout] 04994a89ad8f932ed6db804228d613e9cf8b8c68d39dde29046b392153a56ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb52971cd3dc8f82338cff8e276ce66f2f75a90c5d7f213ea5adb231f23f7dca
[INFO] running `Command { std: "docker" "start" "-a" "eb52971cd3dc8f82338cff8e276ce66f2f75a90c5d7f213ea5adb231f23f7dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling graviton_core v0.7.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> core/src/semantic.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     Function {
[INFO] [stdout] 32 | |         variables: HashMap<String, Variable>,
[INFO] [stdout] 33 | |         identifier: String,
[INFO] [stdout] 34 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graviton_backend v0.7.0 (/opt/rustwide/workdir/backend)
[INFO] [stderr]    Compiling graviton_frontend v0.7.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling graviton v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tir`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let tir = futures::executor::block_on(driver);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.67s
[INFO] running `Command { std: "docker" "inspect" "eb52971cd3dc8f82338cff8e276ce66f2f75a90c5d7f213ea5adb231f23f7dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb52971cd3dc8f82338cff8e276ce66f2f75a90c5d7f213ea5adb231f23f7dca", kill_on_drop: false }`
[INFO] [stdout] eb52971cd3dc8f82338cff8e276ce66f2f75a90c5d7f213ea5adb231f23f7dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c2c60d3bc49184c1f062d30062ab8cc88f3eb4d53ca3ffffdcf9750f8188ac
[INFO] running `Command { std: "docker" "start" "-a" "e6c2c60d3bc49184c1f062d30062ab8cc88f3eb4d53ca3ffffdcf9750f8188ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling graviton v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> core/src/semantic.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     Function {
[INFO] [stdout] 32 | |         variables: HashMap<String, Variable>,
[INFO] [stdout] 33 | |         identifier: String,
[INFO] [stdout] 34 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tir`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let tir = futures::executor::block_on(driver);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e6c2c60d3bc49184c1f062d30062ab8cc88f3eb4d53ca3ffffdcf9750f8188ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c2c60d3bc49184c1f062d30062ab8cc88f3eb4d53ca3ffffdcf9750f8188ac", kill_on_drop: false }`
[INFO] [stdout] e6c2c60d3bc49184c1f062d30062ab8cc88f3eb4d53ca3ffffdcf9750f8188ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae2aa60a50bf260f86c6a77eaac7952b85fd54cd1f9c50c4fe63459707ffd5a1
[INFO] running `Command { std: "docker" "start" "-a" "ae2aa60a50bf260f86c6a77eaac7952b85fd54cd1f9c50c4fe63459707ffd5a1", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> core/src/semantic.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     Function {
[INFO] [stderr] 32 | |         variables: HashMap<String, Variable>,
[INFO] [stderr] 33 | |         identifier: String,
[INFO] [stderr] 34 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `graviton_core` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `tir`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let tir = futures::executor::block_on(driver);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `graviton` (bin "graviton" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graviton-76b127c1dcd0d36a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graviton-20db3e7464a983e8)
[INFO] [stderr]    Doc-tests graviton
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae2aa60a50bf260f86c6a77eaac7952b85fd54cd1f9c50c4fe63459707ffd5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2aa60a50bf260f86c6a77eaac7952b85fd54cd1f9c50c4fe63459707ffd5a1", kill_on_drop: false }`
[INFO] [stdout] ae2aa60a50bf260f86c6a77eaac7952b85fd54cd1f9c50c4fe63459707ffd5a1