[INFO] fetching crate alexcrichton-cranelift 0.53.0...
[INFO] testing alexcrichton-cranelift-0.53.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate alexcrichton-cranelift 0.53.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift 0.53.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift 0.53.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] b5767eee98ae6f1537b30c40c69d5c7a895d2028084c38fd684ee3b787ee4775
[INFO] running `Command { std: "docker" "start" "-a" "b5767eee98ae6f1537b30c40c69d5c7a895d2028084c38fd684ee3b787ee4775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5767eee98ae6f1537b30c40c69d5c7a895d2028084c38fd684ee3b787ee4775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5767eee98ae6f1537b30c40c69d5c7a895d2028084c38fd684ee3b787ee4775", kill_on_drop: false }`
[INFO] [stdout] b5767eee98ae6f1537b30c40c69d5c7a895d2028084c38fd684ee3b787ee4775
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b31af8ec6205c0ee1787dd1fa68a23e0e48d8cf7c68280373bbf574ee1fd177f
[INFO] running `Command { std: "docker" "start" "-a" "b31af8ec6205c0ee1787dd1fa68a23e0e48d8cf7c68280373bbf574ee1fd177f", kill_on_drop: false }`
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.14s
[INFO] running `Command { std: "docker" "inspect" "b31af8ec6205c0ee1787dd1fa68a23e0e48d8cf7c68280373bbf574ee1fd177f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b31af8ec6205c0ee1787dd1fa68a23e0e48d8cf7c68280373bbf574ee1fd177f", kill_on_drop: false }`
[INFO] [stdout] b31af8ec6205c0ee1787dd1fa68a23e0e48d8cf7c68280373bbf574ee1fd177f
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 5aee92be85b5b6f4b985de488c6f7d4772a27b122640989081743711be524163
[INFO] running `Command { std: "docker" "start" "-a" "5aee92be85b5b6f4b985de488c6f7d4772a27b122640989081743711be524163", kill_on_drop: false }`
[INFO] [stderr]    Compiling alexcrichton-cranelift v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "5aee92be85b5b6f4b985de488c6f7d4772a27b122640989081743711be524163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aee92be85b5b6f4b985de488c6f7d4772a27b122640989081743711be524163", kill_on_drop: false }`
[INFO] [stdout] 5aee92be85b5b6f4b985de488c6f7d4772a27b122640989081743711be524163
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3327e4be1a4364259ab936c1921911d9f477c95e7e612b20aab522c46e44eaf
[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" "f3327e4be1a4364259ab936c1921911d9f477c95e7e612b20aab522c46e44eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cranelift-d089385a57102d18
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cranelift
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3327e4be1a4364259ab936c1921911d9f477c95e7e612b20aab522c46e44eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3327e4be1a4364259ab936c1921911d9f477c95e7e612b20aab522c46e44eaf", kill_on_drop: false }`
[INFO] [stdout] f3327e4be1a4364259ab936c1921911d9f477c95e7e612b20aab522c46e44eaf