[INFO] fetching crate fb_failure_ext 0.1.3...
[INFO] testing fb_failure_ext-0.1.3 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate fb_failure_ext 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fb_failure_ext 0.1.3 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fb_failure_ext 0.1.3
[INFO] finished tweaking crates.io crate fb_failure_ext 0.1.3
[INFO] tweaked toml for crates.io crate fb_failure_ext 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41634fcf3e61d5f31c56005c812f900e0c7da64670b91c341928899672bdbb1e
[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" "41634fcf3e61d5f31c56005c812f900e0c7da64670b91c341928899672bdbb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41634fcf3e61d5f31c56005c812f900e0c7da64670b91c341928899672bdbb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41634fcf3e61d5f31c56005c812f900e0c7da64670b91c341928899672bdbb1e", kill_on_drop: false }`
[INFO] [stdout] 41634fcf3e61d5f31c56005c812f900e0c7da64670b91c341928899672bdbb1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f908a5382e4ea9998f0c5f14e6f8d3aaa602760ef7f7ebb671576fa73beee4
[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" "b6f908a5382e4ea9998f0c5f14e6f8d3aaa602760ef7f7ebb671576fa73beee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling fb_failure_ext v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.69s
[INFO] running `Command { std: "docker" "inspect" "b6f908a5382e4ea9998f0c5f14e6f8d3aaa602760ef7f7ebb671576fa73beee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f908a5382e4ea9998f0c5f14e6f8d3aaa602760ef7f7ebb671576fa73beee4", kill_on_drop: false }`
[INFO] [stdout] b6f908a5382e4ea9998f0c5f14e6f8d3aaa602760ef7f7ebb671576fa73beee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56586f8e061f743493e4dadc6d10024ff9a863bff4d6c3415e996fa141a399c
[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" "c56586f8e061f743493e4dadc6d10024ff9a863bff4d6c3415e996fa141a399c", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling fb_failure_ext v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "c56586f8e061f743493e4dadc6d10024ff9a863bff4d6c3415e996fa141a399c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56586f8e061f743493e4dadc6d10024ff9a863bff4d6c3415e996fa141a399c", kill_on_drop: false }`
[INFO] [stdout] c56586f8e061f743493e4dadc6d10024ff9a863bff4d6c3415e996fa141a399c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cd1591abd0eb0621f1ac5b52ba7ac0fefa24c8310659f29962819a159729f60
[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" "3cd1591abd0eb0621f1ac5b52ba7ac0fefa24c8310659f29962819a159729f60", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/failure_ext-1e8bfa20aa48915f)
[INFO] [stdout] test context_futures::test::poll_after_completion_error_with_context ... ok
[INFO] [stdout] test context_futures::test::poll_after_completion_fail_with_context ... ok
[INFO] [stdout] test context_futures::test::poll_after_completion_fail ... ok
[INFO] [stdout] test context_futures::test::poll_after_completion_error ... ok
[INFO] [stdout] test context_streams::test::stream_poll_after_completion_error ... ok
[INFO] [stdout] test macros::test::downcast_ref_miss ... ok
[INFO] [stdout] test macros::test::downcast_basic ... ok
[INFO] [stdout] test macros::test::downcast_ref_basic ... ok
[INFO] [stdout] test context_streams::test::stream_poll_after_completion_fail_with_context ... ok
[INFO] [stdout] test macros::test::downcast_context ... ok
[INFO] [stdout] test macros::test::downcast_syntax ... ok
[INFO] [stdout] test context_streams::test::stream_poll_after_completion_error_with_context ... ok
[INFO] [stdout] test macros::test::downcast_ref_syntax ... ok
[INFO] [stdout] test macros::test::downcast_miss ... ok
[INFO] [stdout] test context_streams::test::stream_poll_after_completion_fail ... ok
[INFO] [stdout] test macros::test::downcast_ref_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests failure_ext
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/macros.rs - err_downcast_ref (line 13) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 34) ... ok
[INFO] [stdout] test src/macros.rs - err_downcast (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3cd1591abd0eb0621f1ac5b52ba7ac0fefa24c8310659f29962819a159729f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd1591abd0eb0621f1ac5b52ba7ac0fefa24c8310659f29962819a159729f60", kill_on_drop: false }`
[INFO] [stdout] 3cd1591abd0eb0621f1ac5b52ba7ac0fefa24c8310659f29962819a159729f60