[INFO] fetching crate collection 0.1.1...
[INFO] testing collection-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate collection 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate collection 0.1.1 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 collection 0.1.1
[INFO] finished tweaking crates.io crate collection 0.1.1
[INFO] tweaked toml for crates.io crate collection 0.1.1 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c7a4a914ea907768bc044bb1b0eee27789d0ae9091e147dd8fa1c750e1c29e5
[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" "0c7a4a914ea907768bc044bb1b0eee27789d0ae9091e147dd8fa1c750e1c29e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7a4a914ea907768bc044bb1b0eee27789d0ae9091e147dd8fa1c750e1c29e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7a4a914ea907768bc044bb1b0eee27789d0ae9091e147dd8fa1c750e1c29e5", kill_on_drop: false }`
[INFO] [stdout] 0c7a4a914ea907768bc044bb1b0eee27789d0ae9091e147dd8fa1c750e1c29e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ebfbbaba97301a5a0446239f021273c443f5b4a9387607b52daba892616c219
[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" "5ebfbbaba97301a5a0446239f021273c443f5b4a9387607b52daba892616c219", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait-group v0.1.0
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling collection v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/collection/mod.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | / macro_rules! collection {
[INFO] [stdout] 272 | |     ($collection:ident<$t:ident>
[INFO] [stdout] 273 | |      {
[INFO] [stdout] 274 | |          $( $slot:ident: $submeta:ident<$subtype:ty>, )*
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |     )
[INFO] [stdout] 328 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "5ebfbbaba97301a5a0446239f021273c443f5b4a9387607b52daba892616c219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebfbbaba97301a5a0446239f021273c443f5b4a9387607b52daba892616c219", kill_on_drop: false }`
[INFO] [stdout] 5ebfbbaba97301a5a0446239f021273c443f5b4a9387607b52daba892616c219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83d365c4467a4177181cc02e17f114612874328b862fba35e803584dd1612352
[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" "83d365c4467a4177181cc02e17f114612874328b862fba35e803584dd1612352", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/collection/mod.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | / macro_rules! collection {
[INFO] [stdout] 272 | |     ($collection:ident<$t:ident>
[INFO] [stdout] 273 | |      {
[INFO] [stdout] 274 | |          $( $slot:ident: $submeta:ident<$subtype:ty>, )*
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |     )
[INFO] [stdout] 328 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "83d365c4467a4177181cc02e17f114612874328b862fba35e803584dd1612352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d365c4467a4177181cc02e17f114612874328b862fba35e803584dd1612352", kill_on_drop: false }`
[INFO] [stdout] 83d365c4467a4177181cc02e17f114612874328b862fba35e803584dd1612352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 7e98522495ad15e2685cb2797ca1e5a14585a9357ab1f5ed8d14bd2529e94e0b
[INFO] running `Command { std: "docker" "start" "-a" "7e98522495ad15e2685cb2797ca1e5a14585a9357ab1f5ed8d14bd2529e94e0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/collection/mod.rs:271:1
[INFO] [stderr]     |
[INFO] [stderr] 271 | / macro_rules! collection {
[INFO] [stderr] 272 | |     ($collection:ident<$t:ident>
[INFO] [stderr] 273 | |      {
[INFO] [stderr] 274 | |          $( $slot:ident: $submeta:ident<$subtype:ty>, )*
[INFO] [stderr] ...   |
[INFO] [stderr] 327 | |     )
[INFO] [stderr] 328 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collection-8d315373709c6dbf
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test ops::set::tests::insert_one ... ok
[INFO] [stdout] test ops::map::tests::insert ... ok
[INFO] [stdout] test ops::map::tests::clone ... ok
[INFO] [stdout] test ops::map::tests::overwrite ... ok
[INFO] [stdout] test ops::map::tests::merge ... ok
[INFO] [stdout] test ops::set::tests::partial_equal ... ok
[INFO] [stdout] test ops::vector::tests::partial_equal ... ok
[INFO] [stdout] test ops::vector::tests::partial_equal_ordering ... ok
[INFO] [stdout] test ops::vector::tests::concat_comprehensive ... ok
[INFO] [stdout] test ops::vector::tests::insert_panic ... ok
[INFO] [stdout] test ops::set::tests::member ... ok
[INFO] [stdout] test ops::vector::tests::concat ... ok
[INFO] [stdout] test ops::set::tests::set_clone_noninterleaving ... ok
[INFO] [stdout] test ops::vector::tests::indexing ... ok
[INFO] [stdout] test ops::vector::tests::remove_from_back ... ok
[INFO] [stdout] test ops::set::tests::set_insert ... ok
[INFO] [stdout] test ops::vector::tests::insert ... ok
[INFO] [stdout] test ops::vector::tests::splice_middle ... ok
[INFO] [stdout] test ops::vector::tests::remove ... ok
[INFO] [stdout] test ops::set::tests::set_clone_interleaving ... ok
[INFO] [stdout] test ops::set::tests::set_remove ... ok
[INFO] [stdout] test ops::set::tests::union_overlapping ... ok
[INFO] [stdout] test ops::map::tests::partial_eq ... ok
[INFO] [stdout] test ops::vector::tests::split ... ok
[INFO] [stdout] test ops::set::tests::union ... ok
[INFO] [stdout] test ops::set::tests::set_equal ... ok
[INFO] [stdout] test ops::vector::tests::mutate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests collection
[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" "7e98522495ad15e2685cb2797ca1e5a14585a9357ab1f5ed8d14bd2529e94e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e98522495ad15e2685cb2797ca1e5a14585a9357ab1f5ed8d14bd2529e94e0b", kill_on_drop: false }`
[INFO] [stdout] 7e98522495ad15e2685cb2797ca1e5a14585a9357ab1f5ed8d14bd2529e94e0b