[INFO] cloning repository https://github.com/Iwancof/rutre
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Iwancof/rutre" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIwancof%2Frutre", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIwancof%2Frutre'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abbdb44a3bfa241625d2f40b18012ae025445f0d
[INFO] testing Iwancof/rutre against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIwancof%2Frutre" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Iwancof/rutre 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/Iwancof/rutre
[INFO] finished tweaking git repo https://github.com/Iwancof/rutre
[INFO] tweaked toml for git repo https://github.com/Iwancof/rutre written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Iwancof/rutre already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ab86b05beb1b4dffef37a233f7eb2be625a44c564ba6e4d2ab4076120a88603b
[INFO] running `Command { std: "docker" "start" "-a" "ab86b05beb1b4dffef37a233f7eb2be625a44c564ba6e4d2ab4076120a88603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab86b05beb1b4dffef37a233f7eb2be625a44c564ba6e4d2ab4076120a88603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab86b05beb1b4dffef37a233f7eb2be625a44c564ba6e4d2ab4076120a88603b", kill_on_drop: false }`
[INFO] [stdout] ab86b05beb1b4dffef37a233f7eb2be625a44c564ba6e4d2ab4076120a88603b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6f53dffe804b35bae969aa3a1a30365daacef48ec1f97ff023be888891ace2cc
[INFO] running `Command { std: "docker" "start" "-a" "6f53dffe804b35bae969aa3a1a30365daacef48ec1f97ff023be888891ace2cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rutre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_value_from_hex`
[INFO] [stdout]    --> src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn get_value_from_hex(code : &str) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         write!(f,"{:02x} ",self.bytes[0]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |             write!(f,"\n{:2} : {:5}",i,self.registers[i]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "6f53dffe804b35bae969aa3a1a30365daacef48ec1f97ff023be888891ace2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f53dffe804b35bae969aa3a1a30365daacef48ec1f97ff023be888891ace2cc", kill_on_drop: false }`
[INFO] [stdout] 6f53dffe804b35bae969aa3a1a30365daacef48ec1f97ff023be888891ace2cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ab3c28c2d2df898c4253527f6ad19bebc7eb71d17db8946cd52d1b5ae5d6afab
[INFO] running `Command { std: "docker" "start" "-a" "ab3c28c2d2df898c4253527f6ad19bebc7eb71d17db8946cd52d1b5ae5d6afab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rutre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_value_from_hex`
[INFO] [stdout]    --> src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn get_value_from_hex(code : &str) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         write!(f,"{:02x} ",self.bytes[0]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |             write!(f,"\n{:2} : {:5}",i,self.registers[i]);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "ab3c28c2d2df898c4253527f6ad19bebc7eb71d17db8946cd52d1b5ae5d6afab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3c28c2d2df898c4253527f6ad19bebc7eb71d17db8946cd52d1b5ae5d6afab", kill_on_drop: false }`
[INFO] [stdout] ab3c28c2d2df898c4253527f6ad19bebc7eb71d17db8946cd52d1b5ae5d6afab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d24318aa2ff8dda276e8fb089b4582343aaa44997d4f57c14dc09cc2c4a02a0a
[INFO] running `Command { std: "docker" "start" "-a" "d24318aa2ff8dda276e8fb089b4582343aaa44997d4f57c14dc09cc2c4a02a0a", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `get_value_from_hex`
[INFO] [stderr]    --> src/main.rs:141:4
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn get_value_from_hex(code : &str) -> u8 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         write!(f,"{:02x} ",self.bytes[0]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             write!(f,"\n{:2} : {:5}",i,self.registers[i]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rutre` (bin "rutre" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rutre-5c5c96470af26362)
[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" "d24318aa2ff8dda276e8fb089b4582343aaa44997d4f57c14dc09cc2c4a02a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24318aa2ff8dda276e8fb089b4582343aaa44997d4f57c14dc09cc2c4a02a0a", kill_on_drop: false }`
[INFO] [stdout] d24318aa2ff8dda276e8fb089b4582343aaa44997d4f57c14dc09cc2c4a02a0a