[INFO] fetching crate ir 0.0.1...
[INFO] testing ir-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ir 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ir 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] 02cb96f394783339ed35cdbe879680d2611b52916280c9496ff2ad450f4cfa6b
[INFO] running `Command { std: "docker" "start" "-a" "02cb96f394783339ed35cdbe879680d2611b52916280c9496ff2ad450f4cfa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02cb96f394783339ed35cdbe879680d2611b52916280c9496ff2ad450f4cfa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02cb96f394783339ed35cdbe879680d2611b52916280c9496ff2ad450f4cfa6b", kill_on_drop: false }`
[INFO] [stdout] 02cb96f394783339ed35cdbe879680d2611b52916280c9496ff2ad450f4cfa6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] e17b2e02ddd0640109e696c8e03f39e6a3a26378843879f8530a5a84e977ee71
[INFO] running `Command { std: "docker" "start" "-a" "e17b2e02ddd0640109e696c8e03f39e6a3a26378843879f8530a5a84e977ee71", kill_on_drop: false }`
[INFO] [stderr]    Compiling ir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "e17b2e02ddd0640109e696c8e03f39e6a3a26378843879f8530a5a84e977ee71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17b2e02ddd0640109e696c8e03f39e6a3a26378843879f8530a5a84e977ee71", kill_on_drop: false }`
[INFO] [stdout] e17b2e02ddd0640109e696c8e03f39e6a3a26378843879f8530a5a84e977ee71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ff9ddafcbbe0a65830c3d6e025712d742321ca90bb1747b0031b8e8a1aa905
[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" "c2ff9ddafcbbe0a65830c3d6e025712d742321ca90bb1747b0031b8e8a1aa905", kill_on_drop: false }`
[INFO] [stderr]    Compiling ir v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "c2ff9ddafcbbe0a65830c3d6e025712d742321ca90bb1747b0031b8e8a1aa905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ff9ddafcbbe0a65830c3d6e025712d742321ca90bb1747b0031b8e8a1aa905", kill_on_drop: false }`
[INFO] [stdout] c2ff9ddafcbbe0a65830c3d6e025712d742321ca90bb1747b0031b8e8a1aa905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] 947dd8626f870f654f3d6032f05ebfb60334a8ac421b58a444c86fbb96a24a22
[INFO] running `Command { std: "docker" "start" "-a" "947dd8626f870f654f3d6032f05ebfb60334a8ac421b58a444c86fbb96a24a22", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ir-5c8637c6ac580825
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "947dd8626f870f654f3d6032f05ebfb60334a8ac421b58a444c86fbb96a24a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947dd8626f870f654f3d6032f05ebfb60334a8ac421b58a444c86fbb96a24a22", kill_on_drop: false }`
[INFO] [stdout] 947dd8626f870f654f3d6032f05ebfb60334a8ac421b58a444c86fbb96a24a22