[INFO] fetching crate execution-context 0.1.0...
[INFO] testing execution-context-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate execution-context 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate execution-context 0.1.0 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 execution-context 0.1.0
[INFO] finished tweaking crates.io crate execution-context 0.1.0
[INFO] tweaked toml for crates.io crate execution-context 0.1.0 written to /workspace/builds/worker-1/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded im v10.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7c775c79f51c9b5f2f933290d23b45b69dadcd441fc3db243ae99a77b95b5665
[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" "7c775c79f51c9b5f2f933290d23b45b69dadcd441fc3db243ae99a77b95b5665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c775c79f51c9b5f2f933290d23b45b69dadcd441fc3db243ae99a77b95b5665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c775c79f51c9b5f2f933290d23b45b69dadcd441fc3db243ae99a77b95b5665", kill_on_drop: false }`
[INFO] [stdout] 7c775c79f51c9b5f2f933290d23b45b69dadcd441fc3db243ae99a77b95b5665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bc6297682470396b3f23f1449d82e9a1840179ea4df0389632e1fe0531e05d03
[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" "bc6297682470396b3f23f1449d82e9a1840179ea4df0389632e1fe0531e05d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling im v10.2.0
[INFO] [stderr]    Compiling execution-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:252:67
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub(crate) fn set_local_value(key: TypeId, new_value: Arc<Box<Opaque>>) {
[INFO] [stdout]     |                                                                   ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:260:66
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub(crate) fn get_local_value(key: TypeId) -> Option<Arc<Box<Opaque>>> {
[INFO] [stdout]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) type LocalMap = HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>;
[INFO] [stdout]    |                                                ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "bc6297682470396b3f23f1449d82e9a1840179ea4df0389632e1fe0531e05d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6297682470396b3f23f1449d82e9a1840179ea4df0389632e1fe0531e05d03", kill_on_drop: false }`
[INFO] [stdout] bc6297682470396b3f23f1449d82e9a1840179ea4df0389632e1fe0531e05d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 57a6fd137a9b82806db3b17d05570b3bc6b1d55ad6803d1977ef72eb98803d31
[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" "57a6fd137a9b82806db3b17d05570b3bc6b1d55ad6803d1977ef72eb98803d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling execution-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:252:67
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub(crate) fn set_local_value(key: TypeId, new_value: Arc<Box<Opaque>>) {
[INFO] [stdout]     |                                                                   ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:260:66
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub(crate) fn get_local_value(key: TypeId) -> Option<Arc<Box<Opaque>>> {
[INFO] [stdout]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) type LocalMap = HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>;
[INFO] [stdout]    |                                                ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:252:67
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub(crate) fn set_local_value(key: TypeId, new_value: Arc<Box<Opaque>>) {
[INFO] [stdout]     |                                                                   ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ctx.rs:260:66
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub(crate) fn get_local_value(key: TypeId) -> Option<Arc<Box<Opaque>>> {
[INFO] [stdout]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/data.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) type LocalMap = HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>;
[INFO] [stdout]    |                                                ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "57a6fd137a9b82806db3b17d05570b3bc6b1d55ad6803d1977ef72eb98803d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a6fd137a9b82806db3b17d05570b3bc6b1d55ad6803d1977ef72eb98803d31", kill_on_drop: false }`
[INFO] [stdout] 57a6fd137a9b82806db3b17d05570b3bc6b1d55ad6803d1977ef72eb98803d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5b5f72b4b9a180908d4711f6b7b58f8bbe003b476c2de28f1ea3a3ecd3bee195
[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" "5b5f72b4b9a180908d4711f6b7b58f8bbe003b476c2de28f1ea3a3ecd3bee195", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctx.rs:252:67
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub(crate) fn set_local_value(key: TypeId, new_value: Arc<Box<Opaque>>) {
[INFO] [stderr]     |                                                                   ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctx.rs:260:66
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub(crate) fn get_local_value(key: TypeId) -> Option<Arc<Box<Opaque>>> {
[INFO] [stderr]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/data.rs:44:48
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub(crate) type LocalMap = HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>;
[INFO] [stderr]    |                                                ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctx.rs:252:67
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub(crate) fn set_local_value(key: TypeId, new_value: Arc<Box<Opaque>>) {
[INFO] [stderr]     |                                                                   ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctx.rs:260:66
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub(crate) fn get_local_value(key: TypeId) -> Option<Arc<Box<Opaque>>> {
[INFO] [stderr]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/data.rs:44:48
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub(crate) type LocalMap = HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>;
[INFO] [stderr]    |                                                ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/execution_context-05f0408794aa69e6
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test_basic-d157949175c616a1
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_basic_propagation ... ok
[INFO] [stdout] test test_flow_disabling ... ok
[INFO] [stdout] test test_basic_propagation_to_threads ... ok
[INFO] [stderr]    Doc-tests execution-context
[INFO] [stdout] test test_flow_suppression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/ctx.rs - ctx::ExecutionContext::capture (line 102) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::ExecutionContext::suppress_flow (line 133) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::ExecutionContext::run (line 195) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b5f72b4b9a180908d4711f6b7b58f8bbe003b476c2de28f1ea3a3ecd3bee195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5f72b4b9a180908d4711f6b7b58f8bbe003b476c2de28f1ea3a3ecd3bee195", kill_on_drop: false }`
[INFO] [stdout] 5b5f72b4b9a180908d4711f6b7b58f8bbe003b476c2de28f1ea3a3ecd3bee195