[INFO] fetching crate groupable 0.2.0...
[INFO] testing groupable-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate groupable 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate groupable 0.2.0 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 groupable 0.2.0
[INFO] finished tweaking crates.io crate groupable 0.2.0
[INFO] tweaked toml for crates.io crate groupable 0.2.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 02060229abc6cd8a800dfa7ab762315c3dce219c4cbc009e7cc5eeb45680c80f
[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" "02060229abc6cd8a800dfa7ab762315c3dce219c4cbc009e7cc5eeb45680c80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02060229abc6cd8a800dfa7ab762315c3dce219c4cbc009e7cc5eeb45680c80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02060229abc6cd8a800dfa7ab762315c3dce219c4cbc009e7cc5eeb45680c80f", kill_on_drop: false }`
[INFO] [stdout] 02060229abc6cd8a800dfa7ab762315c3dce219c4cbc009e7cc5eeb45680c80f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b0a1b7cad76702da341a85d126a87c825a791fe12e93feb1a445cc89f033515f
[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" "b0a1b7cad76702da341a85d126a87c825a791fe12e93feb1a445cc89f033515f", kill_on_drop: false }`
[INFO] [stderr]    Compiling groupable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stdout] 70 | |     ($name:ident) => (
[INFO] [stdout] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stdout] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     )
[INFO] [stdout] 79 | | }
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "b0a1b7cad76702da341a85d126a87c825a791fe12e93feb1a445cc89f033515f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a1b7cad76702da341a85d126a87c825a791fe12e93feb1a445cc89f033515f", kill_on_drop: false }`
[INFO] [stdout] b0a1b7cad76702da341a85d126a87c825a791fe12e93feb1a445cc89f033515f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ecec03db716f026a932ef8a44b7808fb01b9c4fe890b3772e54d4db689eab04c
[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" "ecec03db716f026a932ef8a44b7808fb01b9c4fe890b3772e54d4db689eab04c", kill_on_drop: false }`
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stdout] 70 | |     ($name:ident) => (
[INFO] [stdout] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stdout] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     )
[INFO] [stdout] 79 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling groupable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stdout] 70 | |     ($name:ident) => (
[INFO] [stdout] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stdout] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     )
[INFO] [stdout] 79 | | }
[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 1.56s
[INFO] running `Command { std: "docker" "inspect" "ecec03db716f026a932ef8a44b7808fb01b9c4fe890b3772e54d4db689eab04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecec03db716f026a932ef8a44b7808fb01b9c4fe890b3772e54d4db689eab04c", kill_on_drop: false }`
[INFO] [stdout] ecec03db716f026a932ef8a44b7808fb01b9c4fe890b3772e54d4db689eab04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fe71ab486c4c8d2c4938552e8c8fad3c4fbb2fa10603a08bdc2c7dbe0b87fd09
[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" "fe71ab486c4c8d2c4938552e8c8fad3c4fbb2fa10603a08bdc2c7dbe0b87fd09", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stderr] 70 | |     ($name:ident) => (
[INFO] [stderr] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stderr] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |     )
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stderr] 70 | |     ($name:ident) => (
[INFO] [stderr] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stderr] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |     )
[INFO] [stderr] 79 | | }
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/groupable-0ac053ce8d4ceacf
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/groupable_tests-9dc8f4c7d9e827ff
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test btreemap ... ok
[INFO] [stderr]    Doc-tests groupable
[INFO] [stdout] test hashmap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Groupable::group (line 15) ... 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" "fe71ab486c4c8d2c4938552e8c8fad3c4fbb2fa10603a08bdc2c7dbe0b87fd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe71ab486c4c8d2c4938552e8c8fad3c4fbb2fa10603a08bdc2c7dbe0b87fd09", kill_on_drop: false }`
[INFO] [stdout] fe71ab486c4c8d2c4938552e8c8fad3c4fbb2fa10603a08bdc2c7dbe0b87fd09