[INFO] fetching crate ir 0.0.1...
[INFO] testing ir-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ir 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ir 0.0.1 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 ir 0.0.1
[INFO] finished tweaking crates.io crate ir 0.0.1
[INFO] tweaked toml for crates.io crate ir 0.0.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 61c99d59af52960dc1657ebdfaf8e6db90517f16b51e1fab42f3f106a8b828ec
[INFO] running `Command { std: "docker" "start" "-a" "61c99d59af52960dc1657ebdfaf8e6db90517f16b51e1fab42f3f106a8b828ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c99d59af52960dc1657ebdfaf8e6db90517f16b51e1fab42f3f106a8b828ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c99d59af52960dc1657ebdfaf8e6db90517f16b51e1fab42f3f106a8b828ec", kill_on_drop: false }`
[INFO] [stdout] 61c99d59af52960dc1657ebdfaf8e6db90517f16b51e1fab42f3f106a8b828ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 4278a52a7bd4189df0a5f0c98ba22173ad4be0732cc4b030b47c244ab9b97cbc
[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" "4278a52a7bd4189df0a5f0c98ba22173ad4be0732cc4b030b47c244ab9b97cbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "4278a52a7bd4189df0a5f0c98ba22173ad4be0732cc4b030b47c244ab9b97cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4278a52a7bd4189df0a5f0c98ba22173ad4be0732cc4b030b47c244ab9b97cbc", kill_on_drop: false }`
[INFO] [stdout] 4278a52a7bd4189df0a5f0c98ba22173ad4be0732cc4b030b47c244ab9b97cbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 061caaa811b35fdd0621c69b1cde774233114490551bfa7c2c9361cdd75f7933
[INFO] running `Command { std: "docker" "start" "-a" "061caaa811b35fdd0621c69b1cde774233114490551bfa7c2c9361cdd75f7933", kill_on_drop: false }`
[INFO] [stderr]    Compiling ir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "061caaa811b35fdd0621c69b1cde774233114490551bfa7c2c9361cdd75f7933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061caaa811b35fdd0621c69b1cde774233114490551bfa7c2c9361cdd75f7933", kill_on_drop: false }`
[INFO] [stdout] 061caaa811b35fdd0621c69b1cde774233114490551bfa7c2c9361cdd75f7933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84975239a8070e0f9a556367238451bdfd36d6ecdce44ef9428537e2a22443e9
[INFO] running `Command { std: "docker" "start" "-a" "84975239a8070e0f9a556367238451bdfd36d6ecdce44ef9428537e2a22443e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ir-aa2be8b13a9c0d48
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ir
[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] [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" "84975239a8070e0f9a556367238451bdfd36d6ecdce44ef9428537e2a22443e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84975239a8070e0f9a556367238451bdfd36d6ecdce44ef9428537e2a22443e9", kill_on_drop: false }`
[INFO] [stdout] 84975239a8070e0f9a556367238451bdfd36d6ecdce44ef9428537e2a22443e9