[INFO] cloning repository https://github.com/ArtBlnd/qberust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArtBlnd/qberust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtBlnd%2Fqberust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtBlnd%2Fqberust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49a665b7a2770613abc23129e4531047d50db590
[INFO] testing ArtBlnd/qberust 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%2FArtBlnd%2Fqberust" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArtBlnd/qberust 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/ArtBlnd/qberust
[INFO] finished tweaking git repo https://github.com/ArtBlnd/qberust
[INFO] tweaked toml for git repo https://github.com/ArtBlnd/qberust written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/ArtBlnd/qberust already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 6a661baac6e19a75f93096149ce6f45fd1aa90e197256b3aafcd5020cbb641ec
[INFO] running `Command { std: "docker" "start" "-a" "6a661baac6e19a75f93096149ce6f45fd1aa90e197256b3aafcd5020cbb641ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a661baac6e19a75f93096149ce6f45fd1aa90e197256b3aafcd5020cbb641ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a661baac6e19a75f93096149ce6f45fd1aa90e197256b3aafcd5020cbb641ec", kill_on_drop: false }`
[INFO] [stdout] 6a661baac6e19a75f93096149ce6f45fd1aa90e197256b3aafcd5020cbb641ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] abe0b1d6ee7273338e235d4717883008f96d8d5923cbb602720804786c862ef4
[INFO] running `Command { std: "docker" "start" "-a" "abe0b1d6ee7273338e235d4717883008f96d8d5923cbb602720804786c862ef4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling qberust-executor v0.1.0 (/opt/rustwide/workdir/qberust-executor)
[INFO] [stderr]    Compiling qberust-mcgen v0.1.0 (/opt/rustwide/workdir/qberust-mcgen)
[INFO] [stderr]    Compiling qberust-native-codegen v0.1.0 (/opt/rustwide/workdir/qberust-native-codegen)
[INFO] [stderr]    Compiling qberust-utils v0.1.0 (/opt/rustwide/workdir/qberust-common)
[INFO] [stdout] warning: unused imports: `Arc`, `Weak`
[INFO] [stdout]  --> qberust-common/tag.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Weak};
[INFO] [stdout]   |                 ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tag`
[INFO] [stdout]  --> qberust-common/tag.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Tag {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TagRef`
[INFO] [stdout]  --> qberust-common/tag.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct TagRef {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling qberust-core v0.1.0 (/opt/rustwide/workdir/qberust-core)
[INFO] [stderr]    Compiling qberust-ir v0.1.0 (/opt/rustwide/workdir/qberust-ir)
[INFO] [stdout] warning: unused import: `crate::Block`
[INFO] [stdout]  --> qberust-ir/control.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> qberust-ir/control.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> qberust-ir/control.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> qberust-ir/control.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> qberust-ir/block.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> qberust-ir/block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instr`
[INFO] [stdout]  --> qberust-ir/block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     instr: Vec<Instruction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> qberust-ir/inst.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     kind: MemoryInstKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IRBuilder`
[INFO] [stdout]   --> qberust-ir/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct IRBuilder {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.12s
[INFO] running `Command { std: "docker" "inspect" "abe0b1d6ee7273338e235d4717883008f96d8d5923cbb602720804786c862ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe0b1d6ee7273338e235d4717883008f96d8d5923cbb602720804786c862ef4", kill_on_drop: false }`
[INFO] [stdout] abe0b1d6ee7273338e235d4717883008f96d8d5923cbb602720804786c862ef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 8b47ab1dd7858250c969a8b5f0fd366133f59c44a7b26e9327b276b85f2757e2
[INFO] running `Command { std: "docker" "start" "-a" "8b47ab1dd7858250c969a8b5f0fd366133f59c44a7b26e9327b276b85f2757e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling qberust-executor v0.1.0 (/opt/rustwide/workdir/qberust-executor)
[INFO] [stdout] warning: unused imports: `Arc`, `Weak`
[INFO] [stdout]  --> qberust-common/tag.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Weak};
[INFO] [stdout]   |                 ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qberust-utils v0.1.0 (/opt/rustwide/workdir/qberust-common)
[INFO] [stdout] warning: struct is never constructed: `Tag`
[INFO] [stdout]  --> qberust-common/tag.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Tag {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qberust-mcgen v0.1.0 (/opt/rustwide/workdir/qberust-mcgen)
[INFO] [stdout] warning: struct is never constructed: `TagRef`
[INFO] [stdout]  --> qberust-common/tag.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct TagRef {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qberust-native-codegen v0.1.0 (/opt/rustwide/workdir/qberust-native-codegen)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qberust-core v0.1.0 (/opt/rustwide/workdir/qberust-core)
[INFO] [stderr]    Compiling qberust-ir v0.1.0 (/opt/rustwide/workdir/qberust-ir)
[INFO] [stdout] warning: unused import: `crate::Block`
[INFO] [stdout]  --> qberust-ir/control.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> qberust-ir/control.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> qberust-ir/control.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> qberust-ir/control.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> qberust-ir/block.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> qberust-ir/block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instr`
[INFO] [stdout]  --> qberust-ir/block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     instr: Vec<Instruction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> qberust-ir/inst.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     kind: MemoryInstKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IRBuilder`
[INFO] [stdout]   --> qberust-ir/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct IRBuilder {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Block`
[INFO] [stdout]  --> qberust-ir/control.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> qberust-ir/control.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> qberust-ir/control.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> qberust-ir/control.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Weak`
[INFO] [stdout]  --> qberust-common/tag.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Weak};
[INFO] [stdout]   |                 ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tag`
[INFO] [stdout]  --> qberust-common/tag.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Tag {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TagRef`
[INFO] [stdout]  --> qberust-common/tag.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct TagRef {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> qberust-ir/block.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> qberust-ir/block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instr`
[INFO] [stdout]  --> qberust-ir/block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     instr: Vec<Instruction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> qberust-ir/inst.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     kind: MemoryInstKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IRBuilder`
[INFO] [stdout]   --> qberust-ir/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct IRBuilder {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.15s
[INFO] running `Command { std: "docker" "inspect" "8b47ab1dd7858250c969a8b5f0fd366133f59c44a7b26e9327b276b85f2757e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b47ab1dd7858250c969a8b5f0fd366133f59c44a7b26e9327b276b85f2757e2", kill_on_drop: false }`
[INFO] [stdout] 8b47ab1dd7858250c969a8b5f0fd366133f59c44a7b26e9327b276b85f2757e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 70bc174352282d1419c7a345dc544e8edacd96d91e0bb1c27bbba3a9642044fa
[INFO] running `Command { std: "docker" "start" "-a" "70bc174352282d1419c7a345dc544e8edacd96d91e0bb1c27bbba3a9642044fa", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Arc`, `Weak`
[INFO] [stderr]  --> qberust-common/tag.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::{Arc, Weak};
[INFO] [stderr]   |                 ^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tag`
[INFO] [stderr]  --> qberust-common/tag.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Tag {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TagRef`
[INFO] [stderr]  --> qberust-common/tag.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct TagRef {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `qberust-utils` (lib) generated 3 warnings
[INFO] [stderr] warning: `qberust-utils` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `crate::Block`
[INFO] [stderr]  --> qberust-ir/control.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::Block;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> qberust-ir/control.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> qberust-ir/control.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> qberust-ir/control.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> qberust-ir/block.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]  --> qberust-ir/block.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     id: u32,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `instr`
[INFO] [stderr]  --> qberust-ir/block.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     instr: Vec<Instruction>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `kind`
[INFO] [stderr]   --> qberust-ir/inst.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     kind: MemoryInstKind,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IRBuilder`
[INFO] [stderr]   --> qberust-ir/lib.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct IRBuilder {}
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `qberust-ir` (lib) generated 9 warnings
[INFO] [stderr] warning: `qberust-ir` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qberust_core-0175ad89eaf40e05)
[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/qberust_executor-f2786c5e8798d9c9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qberust_ir-c5789bbfef92d19a)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qberust_mcgen-e15aa7278db107c3)
[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/qberust_native_codegen-e30ba1717198d093)
[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/qberust_utils-2e8acfedc5d2668b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qberust-core
[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] [stderr]    Doc-tests qberust-ir
[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]    Doc-tests qberust-utils
[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" "70bc174352282d1419c7a345dc544e8edacd96d91e0bb1c27bbba3a9642044fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bc174352282d1419c7a345dc544e8edacd96d91e0bb1c27bbba3a9642044fa", kill_on_drop: false }`
[INFO] [stdout] 70bc174352282d1419c7a345dc544e8edacd96d91e0bb1c27bbba3a9642044fa