[INFO] fetching crate map1 0.1.2...
[INFO] testing map1-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate map1 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate map1 0.1.2 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 map1 0.1.2
[INFO] finished tweaking crates.io crate map1 0.1.2
[INFO] tweaked toml for crates.io crate map1 0.1.2 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] d487d3848cce8d241b3240c83ad7488afdffe4ccd1c16c2e914a203d3a9efd83
[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" "d487d3848cce8d241b3240c83ad7488afdffe4ccd1c16c2e914a203d3a9efd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d487d3848cce8d241b3240c83ad7488afdffe4ccd1c16c2e914a203d3a9efd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d487d3848cce8d241b3240c83ad7488afdffe4ccd1c16c2e914a203d3a9efd83", kill_on_drop: false }`
[INFO] [stdout] d487d3848cce8d241b3240c83ad7488afdffe4ccd1c16c2e914a203d3a9efd83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a5fc3f5e60e92d65c01873dbd20f1affbcbcc77af48128c7c3a8bf80c59e0d78
[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" "a5fc3f5e60e92d65c01873dbd20f1affbcbcc77af48128c7c3a8bf80c59e0d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling map1 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a5fc3f5e60e92d65c01873dbd20f1affbcbcc77af48128c7c3a8bf80c59e0d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fc3f5e60e92d65c01873dbd20f1affbcbcc77af48128c7c3a8bf80c59e0d78", kill_on_drop: false }`
[INFO] [stdout] a5fc3f5e60e92d65c01873dbd20f1affbcbcc77af48128c7c3a8bf80c59e0d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 4251b96f3bb268c9145d46cb5f7729b88a0a01594d0926ceb0d87c0c9466bb85
[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" "4251b96f3bb268c9145d46cb5f7729b88a0a01594d0926ceb0d87c0c9466bb85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling cargo-sync-readme v0.2.1
[INFO] [stderr]    Compiling map1 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 47.48s
[INFO] running `Command { std: "docker" "inspect" "4251b96f3bb268c9145d46cb5f7729b88a0a01594d0926ceb0d87c0c9466bb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4251b96f3bb268c9145d46cb5f7729b88a0a01594d0926ceb0d87c0c9466bb85", kill_on_drop: false }`
[INFO] [stdout] 4251b96f3bb268c9145d46cb5f7729b88a0a01594d0926ceb0d87c0c9466bb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 86227d9cb147a19af68e243ebed22e44bc1f7d77ee2ae014cbd2fca622f8879d
[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" "86227d9cb147a19af68e243ebed22e44bc1f7d77ee2ae014cbd2fca622f8879d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/map1-6e76a8cb41fc65d1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test check_readme_synchronized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests map1
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::get_mut (line 253) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::get (line 205) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::iter_mut (line 588) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::contains_key (line 229) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::insert (line 286) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::append (line 344) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::new (line 180) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::range (line 389) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::iter (line 562) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::entry (line 452) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::split (line 480) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::len (line 682) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::range_mut (line 424) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::try_remove (line 324) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::keys (line 614) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::Entry::key (line 744) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::try_remove (line 310) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::Entry::or_insert (line 703) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::Entry::or_insert_with (line 723) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::Entry::or_default (line 797) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::key (line 875) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::Entry::and_modify (line 762) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::insert (line 995) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::get_mut (line 946) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::values (line 635) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::try_remove_entry (line 890) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::BTreeMap1<K, V>::values_mut (line 656) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::get (line 923) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::into_mut (line 974) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::OccupiedEntry::try_remove (line 1014) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::VacantEntry::insert (line 853) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::VacantEntry::key (line 821) ... ok
[INFO] [stdout] test src/btree_map.rs - btree_map::VacantEntry::into_key (line 835) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86227d9cb147a19af68e243ebed22e44bc1f7d77ee2ae014cbd2fca622f8879d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86227d9cb147a19af68e243ebed22e44bc1f7d77ee2ae014cbd2fca622f8879d", kill_on_drop: false }`
[INFO] [stdout] 86227d9cb147a19af68e243ebed22e44bc1f7d77ee2ae014cbd2fca622f8879d