[INFO] cloning repository https://github.com/F0903/cahlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/F0903/cahlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF0903%2Fcahlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF0903%2Fcahlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f01bdaf2caf3fe69886268873260b6f87fc30a
[INFO] testing F0903/cahlang against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF0903%2Fcahlang" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/F0903/cahlang on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/F0903/cahlang
[INFO] finished tweaking git repo https://github.com/F0903/cahlang
[INFO] tweaked toml for git repo https://github.com/F0903/cahlang written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/F0903/cahlang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bc15adbca86df2944339738ab86834f45b16ea5737cdb8cbda7a294ecdd7c30
[INFO] running `Command { std: "docker" "start" "-a" "1bc15adbca86df2944339738ab86834f45b16ea5737cdb8cbda7a294ecdd7c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bc15adbca86df2944339738ab86834f45b16ea5737cdb8cbda7a294ecdd7c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc15adbca86df2944339738ab86834f45b16ea5737cdb8cbda7a294ecdd7c30", kill_on_drop: false }`
[INFO] [stdout] 1bc15adbca86df2944339738ab86834f45b16ea5737cdb8cbda7a294ecdd7c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f8dd81a69db09e51a96a7cc8eed6026046ae52f43e763f5fb68d27bb4689768
[INFO] running `Command { std: "docker" "start" "-a" "4f8dd81a69db09e51a96a7cc8eed6026046ae52f43e763f5fb68d27bb4689768", kill_on_drop: false }`
[INFO] [stderr]    Compiling cahlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VmContext`
[INFO] [stdout]  --> src/parser.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::vm::{VirtualMachine, VmContext};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/parser.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn parse_func_code(code: impl AsRef<str>, args: &[Value]) -> Result<()> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/parser.rs:348:51
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn parse_func_code(code: impl AsRef<str>, args: &[Value]) -> Result<()> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]   --> src/operators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     High,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^                         ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Highest`
[INFO] [stdout]   --> src/operators.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Highest,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^                         ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min`
[INFO] [stdout]  --> src/util.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn min<T: Ord>(left: T, right: T) -> T {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_file`
[INFO] [stdout]   --> src/vm.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn execute_file(&mut self, path: impl AsRef<str>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "4f8dd81a69db09e51a96a7cc8eed6026046ae52f43e763f5fb68d27bb4689768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8dd81a69db09e51a96a7cc8eed6026046ae52f43e763f5fb68d27bb4689768", kill_on_drop: false }`
[INFO] [stdout] 4f8dd81a69db09e51a96a7cc8eed6026046ae52f43e763f5fb68d27bb4689768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c41e061dd0bb98210dcbba8a7cb0100bdc8d274ab2526436833f149501b00c6
[INFO] running `Command { std: "docker" "start" "-a" "4c41e061dd0bb98210dcbba8a7cb0100bdc8d274ab2526436833f149501b00c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cahlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VmContext`
[INFO] [stdout]  --> src/parser.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::vm::{VirtualMachine, VmContext};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/parser.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn parse_func_code(code: impl AsRef<str>, args: &[Value]) -> Result<()> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/parser.rs:348:51
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn parse_func_code(code: impl AsRef<str>, args: &[Value]) -> Result<()> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]   --> src/operators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     High,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^                         ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Highest`
[INFO] [stdout]   --> src/operators.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Highest,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^                         ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min`
[INFO] [stdout]  --> src/util.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn min<T: Ord>(left: T, right: T) -> T {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_file`
[INFO] [stdout]   --> src/vm.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn execute_file(&mut self, path: impl AsRef<str>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4c41e061dd0bb98210dcbba8a7cb0100bdc8d274ab2526436833f149501b00c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c41e061dd0bb98210dcbba8a7cb0100bdc8d274ab2526436833f149501b00c6", kill_on_drop: false }`
[INFO] [stdout] 4c41e061dd0bb98210dcbba8a7cb0100bdc8d274ab2526436833f149501b00c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06769605ec67a30c72580d0c1070733d151bfbc6c7ea4e851faf7dc9bd3cb26c
[INFO] running `Command { std: "docker" "start" "-a" "06769605ec67a30c72580d0c1070733d151bfbc6c7ea4e851faf7dc9bd3cb26c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `VmContext`
[INFO] [stderr]  --> src/parser.rs:8:33
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vm::{VirtualMachine, VmContext};
[INFO] [stderr]   |                                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/parser.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |     pub fn parse_func_code(code: impl AsRef<str>, args: &[Value]) -> Result<()> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/parser.rs:348:51
[INFO] [stderr]     |
[INFO] [stderr] 348 |     pub fn parse_func_code(code: impl AsRef<str>, args: &[Value]) -> Result<()> {
[INFO] [stderr]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `High`
[INFO] [stderr]   --> src/operators.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     High,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/operators.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[INFO] [stderr]    |          ^^^^^                         ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Highest`
[INFO] [stderr]   --> src/operators.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Highest,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/operators.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[INFO] [stderr]    |          ^^^^^                         ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `min`
[INFO] [stderr]  --> src/util.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn min<T: Ord>(left: T, right: T) -> T {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute_file`
[INFO] [stderr]   --> src/vm.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn execute_file(&mut self, path: impl AsRef<str>) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cahlang` (bin "cahlang" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cahlang-d91a6a8abd39fe45)
[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" "06769605ec67a30c72580d0c1070733d151bfbc6c7ea4e851faf7dc9bd3cb26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06769605ec67a30c72580d0c1070733d151bfbc6c7ea4e851faf7dc9bd3cb26c", kill_on_drop: false }`
[INFO] [stdout] 06769605ec67a30c72580d0c1070733d151bfbc6c7ea4e851faf7dc9bd3cb26c