[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalakus%2Ftachyon" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ralakus/tachyon on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffc88fe65bea545c17c17ea7b7558e3b1b3d5c03edcd7dac4a869d5a28cd0331
[INFO] running `Command { std: "docker" "start" "-a" "ffc88fe65bea545c17c17ea7b7558e3b1b3d5c03edcd7dac4a869d5a28cd0331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffc88fe65bea545c17c17ea7b7558e3b1b3d5c03edcd7dac4a869d5a28cd0331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc88fe65bea545c17c17ea7b7558e3b1b3d5c03edcd7dac4a869d5a28cd0331", kill_on_drop: false }`
[INFO] [stdout] ffc88fe65bea545c17c17ea7b7558e3b1b3d5c03edcd7dac4a869d5a28cd0331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc2c234d7b34ebff47ae26f42b82b7d1ff6f7dec2c40d756a996ccc7c807816
[INFO] running `Command { std: "docker" "start" "-a" "cfc2c234d7b34ebff47ae26f42b82b7d1ff6f7dec2c40d756a996ccc7c807816", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde 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 futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[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 v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[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_frontend v0.7.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling graviton_backend v0.7.0 (/opt/rustwide/workdir/backend)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graviton v0.7.0 (/opt/rustwide/workdir)
[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 1m 11s
[INFO] running `Command { std: "docker" "inspect" "cfc2c234d7b34ebff47ae26f42b82b7d1ff6f7dec2c40d756a996ccc7c807816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc2c234d7b34ebff47ae26f42b82b7d1ff6f7dec2c40d756a996ccc7c807816", kill_on_drop: false }`
[INFO] [stdout] cfc2c234d7b34ebff47ae26f42b82b7d1ff6f7dec2c40d756a996ccc7c807816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 231ab019c8cf8f86c24de507997a4fc89b869669fb2cf69b8bd135fd2efeaab4
[INFO] running `Command { std: "docker" "start" "-a" "231ab019c8cf8f86c24de507997a4fc89b869669fb2cf69b8bd135fd2efeaab4", kill_on_drop: false }`
[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] [stderr]    Compiling graviton v0.7.0 (/opt/rustwide/workdir)
[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 0.47s
[INFO] running `Command { std: "docker" "inspect" "231ab019c8cf8f86c24de507997a4fc89b869669fb2cf69b8bd135fd2efeaab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231ab019c8cf8f86c24de507997a4fc89b869669fb2cf69b8bd135fd2efeaab4", kill_on_drop: false }`
[INFO] [stdout] 231ab019c8cf8f86c24de507997a4fc89b869669fb2cf69b8bd135fd2efeaab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 189b34844b99dd87e37938811c53f465b4054d9bff9685a6fde0801967cf76a1
[INFO] running `Command { std: "docker" "start" "-a" "189b34844b99dd87e37938811c53f465b4054d9bff9685a6fde0801967cf76a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graviton-ffa0c5da52acb133)
[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-dfa20e40cc0ec4a4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graviton
[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" "189b34844b99dd87e37938811c53f465b4054d9bff9685a6fde0801967cf76a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189b34844b99dd87e37938811c53f465b4054d9bff9685a6fde0801967cf76a1", kill_on_drop: false }`
[INFO] [stdout] 189b34844b99dd87e37938811c53f465b4054d9bff9685a6fde0801967cf76a1