[INFO] fetching crate multi_mut 0.1.3...
[INFO] testing multi_mut-0.1.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate multi_mut 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate multi_mut 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multi_mut 0.1.3
[INFO] finished tweaking crates.io crate multi_mut 0.1.3
[INFO] tweaked toml for crates.io crate multi_mut 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] df9bb1b2d8496727fdd43faa2b0cf1f0ce796521bdddf889544a2eef14278eff
[INFO] running `Command { std: "docker" "start" "-a" "df9bb1b2d8496727fdd43faa2b0cf1f0ce796521bdddf889544a2eef14278eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df9bb1b2d8496727fdd43faa2b0cf1f0ce796521bdddf889544a2eef14278eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9bb1b2d8496727fdd43faa2b0cf1f0ce796521bdddf889544a2eef14278eff", kill_on_drop: false }`
[INFO] [stdout] df9bb1b2d8496727fdd43faa2b0cf1f0ce796521bdddf889544a2eef14278eff
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b5c2a94e04009f9284c66111a8356d4b6b5322435b8e7ba44740969cd92aae
[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" "a6b5c2a94e04009f9284c66111a8356d4b6b5322435b8e7ba44740969cd92aae", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_mut v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "a6b5c2a94e04009f9284c66111a8356d4b6b5322435b8e7ba44740969cd92aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b5c2a94e04009f9284c66111a8356d4b6b5322435b8e7ba44740969cd92aae", kill_on_drop: false }`
[INFO] [stdout] a6b5c2a94e04009f9284c66111a8356d4b6b5322435b8e7ba44740969cd92aae
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3245a38d0e0012d9cd0046ab97dbb038dc41f230f8207117402b8d13f294152
[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" "e3245a38d0e0012d9cd0046ab97dbb038dc41f230f8207117402b8d13f294152", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_mut v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "e3245a38d0e0012d9cd0046ab97dbb038dc41f230f8207117402b8d13f294152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3245a38d0e0012d9cd0046ab97dbb038dc41f230f8207117402b8d13f294152", kill_on_drop: false }`
[INFO] [stdout] e3245a38d0e0012d9cd0046ab97dbb038dc41f230f8207117402b8d13f294152
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29ca7d47af82dbfc829d83b54c90eae60f6da2e3d8d082beac55c1ef27e0b2e9
[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" "29ca7d47af82dbfc829d83b54c90eae60f6da2e3d8d082beac55c1ef27e0b2e9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test tests_btree::test_multi_iter_over_capacity ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] test tests_btree::test_multi_success ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multi_mut-656464dfc34168fe
[INFO] [stdout] test tests_btree::test_multi_nonexistent ... ok
[INFO] [stdout] test tests_btree::test_multi_ref_success ... ok
[INFO] [stdout] test tests_btree::test_multi_iter_success ... ok
[INFO] [stdout] test tests_btree::test_pair_overlap ... ok
[INFO] [stdout] test tests_btree::test_pair_nonexistent_key ... ok
[INFO] [stdout] test tests_btree::test_pair_success ... ok
[INFO] [stdout] test tests_btree::test_pair_panic_success ... ok
[INFO] [stdout] test tests_btree::test_triple_nonexistent_key ... ok
[INFO] [stdout] test tests_btree::test_triple_overlap_1 ... ok
[INFO] [stdout] test tests_btree::test_triple_overlap_2 ... ok
[INFO] [stdout] test tests_btree::test_triple_overlap_3 ... ok
[INFO] [stdout] test tests_btree::test_triple_overlap_4 ... ok
[INFO] [stdout] test tests_btree::test_triple_success ... ok
[INFO] [stdout] test tests_btree::test_triple_panic_success ... ok
[INFO] [stdout] test tests_hash::test_multi_iter_over_capacity ... ok
[INFO] [stdout] test tests_btree::test_multi_same_key ... ok
[INFO] [stdout] test tests_btree::test_multi_iter_nonexistent ... ok
[INFO] [stdout] test tests_btree::test_multi_iter_same_key ... ok
[INFO] [stdout] test tests_hash::test_multi_nonexistent ... ok
[INFO] [stdout] test tests_btree::test_pair_panic_overlap ... ok
[INFO] [stdout] test tests_hash::test_multi_ref_nonexistent ... ok
[INFO] [stdout] test tests_hash::test_multi_iter_success ... ok
[INFO] [stdout] test tests_hash::test_multi_ref_success ... ok
[INFO] [stdout] test tests_hash::test_multi_success ... ok
[INFO] [stdout] test tests_btree::test_pair_panic_nonexistent_key ... ok
[INFO] [stdout] test tests_hash::test_pair_nonexistent_key ... ok
[INFO] [stdout] test tests_btree::test_triple_panic_overlap_1 ... ok
[INFO] [stdout] test tests_hash::test_pair_panic_nonexistent_key ... ok
[INFO] [stdout] test tests_hash::test_pair_overlap ... ok
[INFO] [stdout] test tests_hash::test_pair_panic_overlap ... ok
[INFO] [stdout] test tests_hash::test_triple_nonexistent_key ... ok
[INFO] [stderr]    Doc-tests multi_mut
[INFO] [stdout] test tests_hash::test_pair_success ... ok
[INFO] [stdout] test tests_hash::test_triple_overlap_1 ... ok
[INFO] [stdout] test tests_hash::test_triple_overlap_4 ... ok
[INFO] [stdout] test tests_hash::test_triple_panic_nonexistent_key ... ok
[INFO] [stdout] test tests_hash::test_triple_overlap_2 ... ok
[INFO] [stdout] test tests_btree::test_multi_over_capacity ... ok
[INFO] [stdout] test tests_hash::test_pair_panic_success ... ok
[INFO] [stdout] test tests_btree::test_multi_ref_nonexistent ... ok
[INFO] [stdout] test tests_hash::test_multi_iter_nonexistent ... ok
[INFO] [stdout] test tests_btree::test_triple_panic_overlap_2 ... ok
[INFO] [stdout] test tests_hash::test_triple_panic_success ... ok
[INFO] [stdout] test tests_btree::test_triple_panic_overlap_4 ... ok
[INFO] [stdout] test tests_hash::test_triple_panic_overlap_1 ... ok
[INFO] [stdout] test tests_hash::test_triple_success ... ok
[INFO] [stdout] test tests_btree::test_triple_panic_overlap_3 ... ok
[INFO] [stdout] test tests_hash::test_multi_over_capacity ... ok
[INFO] [stdout] test tests_hash::test_triple_overlap_3 ... ok
[INFO] [stdout] test tests_hash::test_multi_same_key ... ok
[INFO] [stdout] test tests_btree::test_triple_panic_nonexistent_key ... ok
[INFO] [stdout] test tests_hash::test_triple_panic_overlap_2 ... ok
[INFO] [stdout] test tests_hash::test_multi_iter_same_key ... ok
[INFO] [stdout] test tests_hash::test_triple_panic_overlap_3 ... ok
[INFO] [stdout] test tests_hash::test_triple_panic_overlap_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 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" "29ca7d47af82dbfc829d83b54c90eae60f6da2e3d8d082beac55c1ef27e0b2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ca7d47af82dbfc829d83b54c90eae60f6da2e3d8d082beac55c1ef27e0b2e9", kill_on_drop: false }`
[INFO] [stdout] 29ca7d47af82dbfc829d83b54c90eae60f6da2e3d8d082beac55c1ef27e0b2e9