[INFO] cloning repository https://github.com/spennydl/cranejit-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spennydl/cranejit-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspennydl%2Fcranejit-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspennydl%2Fcranejit-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac744e440a49342070d54d8f2aeb1b391cad8f5e
[INFO] testing spennydl/cranejit-playground against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspennydl%2Fcranejit-playground" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spennydl/cranejit-playground on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spennydl/cranejit-playground
[INFO] finished tweaking git repo https://github.com/spennydl/cranejit-playground
[INFO] tweaked toml for git repo https://github.com/spennydl/cranejit-playground written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/spennydl/cranejit-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-bforest v0.52.0
[INFO] [stderr]   Downloaded cranelift-entity v0.52.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.52.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.52.0
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.52.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.52.0
[INFO] [stderr]   Downloaded target-lexicon v0.9.0
[INFO] [stderr]   Downloaded cranelift-native v0.52.0
[INFO] [stderr]   Downloaded cranelift-simplejit v0.52.0
[INFO] [stderr]   Downloaded cranelift v0.52.0
[INFO] [stderr]   Downloaded cranelift-module v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c125bde208598d68e0ce25fc16ded3498b264f26135877765ef629fc8c02307
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c125bde208598d68e0ce25fc16ded3498b264f26135877765ef629fc8c02307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c125bde208598d68e0ce25fc16ded3498b264f26135877765ef629fc8c02307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c125bde208598d68e0ce25fc16ded3498b264f26135877765ef629fc8c02307", kill_on_drop: false }`
[INFO] [stdout] 8c125bde208598d68e0ce25fc16ded3498b264f26135877765ef629fc8c02307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0342f73ec977a7995f0a675cbc9827a0d008d0563d5a4792bb64ea9412984eb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0342f73ec977a7995f0a675cbc9827a0d008d0563d5a4792bb64ea9412984eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cranelift-entity v0.52.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.52.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.52.0
[INFO] [stderr]    Compiling cranelift-bforest v0.52.0
[INFO] [stderr]    Compiling region v2.1.2
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling cranelift-codegen v0.52.0
[INFO] [stderr]    Compiling cranelift-module v0.52.0
[INFO] [stderr]    Compiling cranelift-native v0.52.0
[INFO] [stderr]    Compiling cranelift-frontend v0.52.0
[INFO] [stderr]    Compiling cranelift-simplejit v0.52.0
[INFO] [stderr]    Compiling cranelift v0.52.0
[INFO] [stderr]    Compiling cranejit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cranelift::prelude::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cranelift::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `var_idx` is never read
[INFO] [stdout]   --> src/main.rs:95:46
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let retval = Variable::new(var_idx); var_idx += 1;
[INFO] [stdout]    |                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_ctx`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     data_ctx: DataContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "0342f73ec977a7995f0a675cbc9827a0d008d0563d5a4792bb64ea9412984eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0342f73ec977a7995f0a675cbc9827a0d008d0563d5a4792bb64ea9412984eb5", kill_on_drop: false }`
[INFO] [stdout] 0342f73ec977a7995f0a675cbc9827a0d008d0563d5a4792bb64ea9412984eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed4cdfe42b8b15ff14264d606e1ed89494945234eb29153c699f440648b82954
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed4cdfe42b8b15ff14264d606e1ed89494945234eb29153c699f440648b82954", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranejit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cranelift::prelude::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cranelift::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `var_idx` is never read
[INFO] [stdout]   --> src/main.rs:95:46
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let retval = Variable::new(var_idx); var_idx += 1;
[INFO] [stdout]    |                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data_ctx`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     data_ctx: DataContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "ed4cdfe42b8b15ff14264d606e1ed89494945234eb29153c699f440648b82954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4cdfe42b8b15ff14264d606e1ed89494945234eb29153c699f440648b82954", kill_on_drop: false }`
[INFO] [stdout] ed4cdfe42b8b15ff14264d606e1ed89494945234eb29153c699f440648b82954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d67affdb8b938807a3d00bb9e87d9298a821c0d0ec72372a78fa8aea464c6e4
[INFO] running `Command { std: "docker" "start" "-a" "2d67affdb8b938807a3d00bb9e87d9298a821c0d0ec72372a78fa8aea464c6e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `cranelift::prelude::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cranelift::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `var_idx` is never read
[INFO] [stderr]   --> src/main.rs:95:46
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let retval = Variable::new(var_idx); var_idx += 1;
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data_ctx`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     data_ctx: DataContext,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cranejit` (bin "cranejit" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranejit-3f5e56b341c78fe4)
[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" "2d67affdb8b938807a3d00bb9e87d9298a821c0d0ec72372a78fa8aea464c6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d67affdb8b938807a3d00bb9e87d9298a821c0d0ec72372a78fa8aea464c6e4", kill_on_drop: false }`
[INFO] [stdout] 2d67affdb8b938807a3d00bb9e87d9298a821c0d0ec72372a78fa8aea464c6e4