[INFO] fetching crate fallible_collections 0.3.1...
[INFO] testing fallible_collections-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fallible_collections 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fallible_collections 0.3.1 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 fallible_collections 0.3.1
[INFO] finished tweaking crates.io crate fallible_collections 0.3.1
[INFO] tweaked toml for crates.io crate fallible_collections 0.3.1 written to /workspace/builds/worker-12/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] 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f239ecbe29d555dc65d409f888f437005dec55b2078b52d4c8cbef85b6338895
[INFO] running `Command { std: "docker" "start" "-a" "f239ecbe29d555dc65d409f888f437005dec55b2078b52d4c8cbef85b6338895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f239ecbe29d555dc65d409f888f437005dec55b2078b52d4c8cbef85b6338895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f239ecbe29d555dc65d409f888f437005dec55b2078b52d4c8cbef85b6338895", kill_on_drop: false }`
[INFO] [stdout] f239ecbe29d555dc65d409f888f437005dec55b2078b52d4c8cbef85b6338895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 029cb5df14603f73ed908fba4ff1df997f3d0c934f7addb68264767c12d68ee5
[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" "029cb5df14603f73ed908fba4ff1df997f3d0c934f7addb68264767c12d68ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fallible_collections v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "029cb5df14603f73ed908fba4ff1df997f3d0c934f7addb68264767c12d68ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029cb5df14603f73ed908fba4ff1df997f3d0c934f7addb68264767c12d68ee5", kill_on_drop: false }`
[INFO] [stdout] 029cb5df14603f73ed908fba4ff1df997f3d0c934f7addb68264767c12d68ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cfd248dae82ab3af5005fb305a4e63deacf80ef4a6412c5da87e4a03c431d6b6
[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" "cfd248dae82ab3af5005fb305a4e63deacf80ef4a6412c5da87e4a03c431d6b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallible_collections v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "cfd248dae82ab3af5005fb305a4e63deacf80ef4a6412c5da87e4a03c431d6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd248dae82ab3af5005fb305a4e63deacf80ef4a6412c5da87e4a03c431d6b6", kill_on_drop: false }`
[INFO] [stdout] cfd248dae82ab3af5005fb305a4e63deacf80ef4a6412c5da87e4a03c431d6b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] e92bcbcb661c2abd379dcbe6b412dd845abdc518dbcf00c9301ecdb9ebec8487
[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" "e92bcbcb661c2abd379dcbe6b412dd845abdc518dbcf00c9301ecdb9ebec8487", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fallible_collections-1197144a0cf2c61d
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test arc::test::fallible_rc ... ok
[INFO] [stdout] test boxed::tests::boxed ... ok
[INFO] [stdout] test vec::tests::try_extend_zst ... ok
[INFO] [stdout] test vec::tests::try_reserve ... ok
[INFO] [stdout] test vec::tests::try_reserve_idempotent ... ok
[INFO] [stdout] test vec::tests::try_reserve_zst ... ok
[INFO] [stdout] test vec::tests::tryvec_capacity_overflow ... ok
[INFO] [stdout] test vec::tests::tryvec_extend_from_slice ... ok
[INFO] [stdout] test vec::tests::try_clone_vec ... ok
[INFO] [stdout] test vec::tests::tryvec_oom ... ok
[INFO] [stdout] test vec::tests::try_clone_oom ... ok
[INFO] [stdout] test vec::tests::oom ... ok
[INFO] [stdout] test vec::tests::extend_from_slice ... ok
[INFO] [stdout] test vec::tests::tryvec_reserve ... ok
[INFO] [stdout] test vec::tests::tryvec_reserve_idempotent ... ok
[INFO] [stdout] test vec::tests::tryvec_try_clone_oom ... ok
[INFO] [stdout] test vec::tests::capacity_overflow ... ok
[INFO] [stdout] test rc::test::fallible_rc ... ok
[INFO] [stdout] test boxed::tests::trybox_zst ... ok
[INFO] [stdout] test format::tests::format ... ok
[INFO] [stdout] test hashmap::tryhashmap_oom ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fallible_collections
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - TryClone (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e92bcbcb661c2abd379dcbe6b412dd845abdc518dbcf00c9301ecdb9ebec8487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92bcbcb661c2abd379dcbe6b412dd845abdc518dbcf00c9301ecdb9ebec8487", kill_on_drop: false }`
[INFO] [stdout] e92bcbcb661c2abd379dcbe6b412dd845abdc518dbcf00c9301ecdb9ebec8487