[INFO] fetching crate rune-ssa 0.9.1...
[INFO] testing rune-ssa-0.9.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rune-ssa 0.9.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rune-ssa 0.9.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rune-ssa 0.9.1
[INFO] finished tweaking crates.io crate rune-ssa 0.9.1
[INFO] tweaked toml for crates.io crate rune-ssa 0.9.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e7610b1a2e154989ea156f978d6a8cbe6d52dcae0eb61f8e770441a1a8a5f6d
[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" "1e7610b1a2e154989ea156f978d6a8cbe6d52dcae0eb61f8e770441a1a8a5f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e7610b1a2e154989ea156f978d6a8cbe6d52dcae0eb61f8e770441a1a8a5f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7610b1a2e154989ea156f978d6a8cbe6d52dcae0eb61f8e770441a1a8a5f6d", kill_on_drop: false }`
[INFO] [stdout] 1e7610b1a2e154989ea156f978d6a8cbe6d52dcae0eb61f8e770441a1a8a5f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", 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] e3df7cbf181ae309f56748cb190c9d4658ff9847d5919f87d1d531421bb2379e
[INFO] running `Command { std: "docker" "start" "-a" "e3df7cbf181ae309f56748cb190c9d4658ff9847d5919f87d1d531421bb2379e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling rune-ssa v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `block`
[INFO] [stdout]   --> src/global.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     block: BlockId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.96s
[INFO] running `Command { std: "docker" "inspect" "e3df7cbf181ae309f56748cb190c9d4658ff9847d5919f87d1d531421bb2379e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3df7cbf181ae309f56748cb190c9d4658ff9847d5919f87d1d531421bb2379e", kill_on_drop: false }`
[INFO] [stdout] e3df7cbf181ae309f56748cb190c9d4658ff9847d5919f87d1d531421bb2379e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df0a0e72de3126a2eaa63cf10e18530900b5d56c02c3f73fd04351ca5b10ee3f
[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" "df0a0e72de3126a2eaa63cf10e18530900b5d56c02c3f73fd04351ca5b10ee3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rune-ssa v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `block`
[INFO] [stdout]   --> src/global.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     block: BlockId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block`
[INFO] [stdout]   --> src/global.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     block: BlockId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "df0a0e72de3126a2eaa63cf10e18530900b5d56c02c3f73fd04351ca5b10ee3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0a0e72de3126a2eaa63cf10e18530900b5d56c02c3f73fd04351ca5b10ee3f", kill_on_drop: false }`
[INFO] [stdout] df0a0e72de3126a2eaa63cf10e18530900b5d56c02c3f73fd04351ca5b10ee3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61d4df653cbb481fd241423b9e37a2dd67c99f4791c46040eb7814ca1a8ec48b
[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" "61d4df653cbb481fd241423b9e37a2dd67c99f4791c46040eb7814ca1a8ec48b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `block`
[INFO] [stderr]   --> src/global.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     block: BlockId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rune-ssa` (lib) generated 1 warning
[INFO] [stderr] warning: `rune-ssa` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rune_ssa-a95e6302ce9eb70a)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_basic_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rune-ssa
[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" "61d4df653cbb481fd241423b9e37a2dd67c99f4791c46040eb7814ca1a8ec48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d4df653cbb481fd241423b9e37a2dd67c99f4791c46040eb7814ca1a8ec48b", kill_on_drop: false }`
[INFO] [stdout] 61d4df653cbb481fd241423b9e37a2dd67c99f4791c46040eb7814ca1a8ec48b