[INFO] fetching crate ena 0.14.0...
[INFO] testing ena-0.14.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate ena 0.14.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ena 0.14.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ena 0.14.0
[INFO] finished tweaking crates.io crate ena 0.14.0
[INFO] tweaked toml for crates.io crate ena 0.14.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dogged v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf3b5e3e3a34188fbeaf8767efa092e82b1158d851339b411460b421a13df351
[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" "cf3b5e3e3a34188fbeaf8767efa092e82b1158d851339b411460b421a13df351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3b5e3e3a34188fbeaf8767efa092e82b1158d851339b411460b421a13df351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3b5e3e3a34188fbeaf8767efa092e82b1158d851339b411460b421a13df351", kill_on_drop: false }`
[INFO] [stdout] cf3b5e3e3a34188fbeaf8767efa092e82b1158d851339b411460b421a13df351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7764aa8be684ec193e21a3b8384fc7cc7094068b7d83dc9563ec9d162dacaada
[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" "7764aa8be684ec193e21a3b8384fc7cc7094068b7d83dc9563ec9d162dacaada", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "7764aa8be684ec193e21a3b8384fc7cc7094068b7d83dc9563ec9d162dacaada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7764aa8be684ec193e21a3b8384fc7cc7094068b7d83dc9563ec9d162dacaada", kill_on_drop: false }`
[INFO] [stdout] 7764aa8be684ec193e21a3b8384fc7cc7094068b7d83dc9563ec9d162dacaada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] c7ac42a1159141da54e1fbe2bb0e65888f95ebd24e6068bc0613020f67e92958
[INFO] running `Command { std: "docker" "start" "-a" "c7ac42a1159141da54e1fbe2bb0e65888f95ebd24e6068bc0613020f67e92958", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "c7ac42a1159141da54e1fbe2bb0e65888f95ebd24e6068bc0613020f67e92958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ac42a1159141da54e1fbe2bb0e65888f95ebd24e6068bc0613020f67e92958", kill_on_drop: false }`
[INFO] [stdout] c7ac42a1159141da54e1fbe2bb0e65888f95ebd24e6068bc0613020f67e92958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32227cfcfcf709c51070ecf2d330289a9dccbd44981c42a7b7bc5178fa75ef9c
[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" "32227cfcfcf709c51070ecf2d330289a9dccbd44981c42a7b7bc5178fa75ef9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ena-da54809adcf3c73e)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test snapshot_vec::nested_commit_then_rollback ... ok
[INFO] [stdout] test snapshot_vec::basic ... ok
[INFO] [stdout] test unify::tests::clone_table ... ok
[INFO] [stdout] test unify::tests::ordered_key ... ok
[INFO] [stdout] test unify::tests::unify_distinct_ints_then_vars ... ok
[INFO] [stdout] test unify::tests::unify_root_value_1 ... ok
[INFO] [stdout] test unify::tests::basic ... ok
[INFO] [stdout] test unify::tests::unify_root_value_2 ... ok
[INFO] [stdout] test unify::tests::unify_same_int_twice ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_2 ... ok
[INFO] [stdout] test unify::tests::unify_vars_then_int_indirect ... ok
[INFO] [stdout] test unify::tests::even_odd ... ok
[INFO] [stdout] test unify::tests::ordered_key_k1 ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_1 ... ok
[INFO] [stdout] test snapshot_vec::out_of_order - should panic ... ok
[INFO] [stderr]      Running tests/external_undo_log.rs (/opt/rustwide/target/debug/deps/external_undo_log-c1a177f846b55626)
[INFO] [stdout] test unify::tests::big_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ena
[INFO] [stdout] test external_undo_log ... 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] [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" "32227cfcfcf709c51070ecf2d330289a9dccbd44981c42a7b7bc5178fa75ef9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32227cfcfcf709c51070ecf2d330289a9dccbd44981c42a7b7bc5178fa75ef9c", kill_on_drop: false }`
[INFO] [stdout] 32227cfcfcf709c51070ecf2d330289a9dccbd44981c42a7b7bc5178fa75ef9c