[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] checking ArtBlnd/qberust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtBlnd%2Fqberust" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  88% (23/26)
Updating files:  92% (24/26)
Updating files:  96% (25/26)
Updating files: 100% (26/26)
Updating files: 100% (26/26), done.
[INFO] validating manifest of git repo https://github.com/ArtBlnd/qberust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-50/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 316fca8e845e0e4b1bd492873a0c52e92835d7ad4e9083a8d90ed80f7ab3cb1d
[INFO] running `Command { std: "docker" "start" "-a" "316fca8e845e0e4b1bd492873a0c52e92835d7ad4e9083a8d90ed80f7ab3cb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316fca8e845e0e4b1bd492873a0c52e92835d7ad4e9083a8d90ed80f7ab3cb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316fca8e845e0e4b1bd492873a0c52e92835d7ad4e9083a8d90ed80f7ab3cb1d", kill_on_drop: false }`
[INFO] [stdout] 316fca8e845e0e4b1bd492873a0c52e92835d7ad4e9083a8d90ed80f7ab3cb1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ec89ff361ef1d0bc2bd0bebd392c9d17551f8c44222937df6ef1233735e9bf8
[INFO] running `Command { std: "docker" "start" "-a" "0ec89ff361ef1d0bc2bd0bebd392c9d17551f8c44222937df6ef1233735e9bf8", kill_on_drop: false }`
[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]     Checking qberust-utils v0.1.0 (/opt/rustwide/workdir/qberust-common)
[INFO] [stderr]     Checking qberust-mcgen v0.1.0 (/opt/rustwide/workdir/qberust-mcgen)
[INFO] [stderr]     Checking qberust-executor v0.1.0 (/opt/rustwide/workdir/qberust-executor)
[INFO] [stderr]     Checking qberust-native-codegen v0.1.0 (/opt/rustwide/workdir/qberust-native-codegen)
[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: 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] [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]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking qberust-core v0.1.0 (/opt/rustwide/workdir/qberust-core)
[INFO] [stderr]     Checking 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: `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::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 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: 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "0ec89ff361ef1d0bc2bd0bebd392c9d17551f8c44222937df6ef1233735e9bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec89ff361ef1d0bc2bd0bebd392c9d17551f8c44222937df6ef1233735e9bf8", kill_on_drop: false }`
[INFO] [stdout] 0ec89ff361ef1d0bc2bd0bebd392c9d17551f8c44222937df6ef1233735e9bf8