[INFO] fetching crate tracing-durations-export 0.2.0... [INFO] checking tracing-durations-export-0.2.0 against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1 [INFO] extracting crate tracing-durations-export 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate tracing-durations-export 0.2.0 on toolchain eb10639928a2781cf0a12440007fbcc1e3a6888f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing-durations-export 0.2.0 [INFO] finished tweaking crates.io crate tracing-durations-export 0.2.0 [INFO] tweaked toml for crates.io crate tracing-durations-export 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate tracing-durations-export 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.113 [INFO] [stderr] Downloaded serde v1.0.196 [INFO] [stderr] Downloaded serde_derive v1.0.196 [INFO] [stderr] Downloaded proc-macro2 v1.0.78 [INFO] [stderr] Downloaded svg v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 242c7536cb0d125c8a7046a66f80ae81fda1d99fa189dfe9f0bc5ccad97a14c4 [INFO] running `Command { std: "docker" "start" "-a" "242c7536cb0d125c8a7046a66f80ae81fda1d99fa189dfe9f0bc5ccad97a14c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "242c7536cb0d125c8a7046a66f80ae81fda1d99fa189dfe9f0bc5ccad97a14c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "242c7536cb0d125c8a7046a66f80ae81fda1d99fa189dfe9f0bc5ccad97a14c4", kill_on_drop: false }` [INFO] [stdout] 242c7536cb0d125c8a7046a66f80ae81fda1d99fa189dfe9f0bc5ccad97a14c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9da5bca2af86d6f8e8d7030c6abed18a5b6692fdf4a3e93e2fa8f9280af97003 [INFO] running `Command { std: "docker" "start" "-a" "9da5bca2af86d6f8e8d7030c6abed18a5b6692fdf4a3e93e2fa8f9280af97003", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling serde_json v1.0.113 [INFO] [stderr] Compiling fs-err v2.11.0 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.196 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tracing-durations-export v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.16s [INFO] running `Command { std: "docker" "inspect" "9da5bca2af86d6f8e8d7030c6abed18a5b6692fdf4a3e93e2fa8f9280af97003", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9da5bca2af86d6f8e8d7030c6abed18a5b6692fdf4a3e93e2fa8f9280af97003", kill_on_drop: false }` [INFO] [stdout] 9da5bca2af86d6f8e8d7030c6abed18a5b6692fdf4a3e93e2fa8f9280af97003 [INFO] checking tracing-durations-export-0.2.0 against try#357cc345f0a672ac4bee347eb89b7552541416c1 for pr-127827-1 [INFO] extracting crate tracing-durations-export 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate tracing-durations-export 0.2.0 on toolchain 357cc345f0a672ac4bee347eb89b7552541416c1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing-durations-export 0.2.0 [INFO] finished tweaking crates.io crate tracing-durations-export 0.2.0 [INFO] tweaked toml for crates.io crate tracing-durations-export 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate tracing-durations-export 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34ae615dd67441c1f90abc8e4113a6dd6442d11889f3977eff54bd374f9a8e6e [INFO] running `Command { std: "docker" "start" "-a" "34ae615dd67441c1f90abc8e4113a6dd6442d11889f3977eff54bd374f9a8e6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34ae615dd67441c1f90abc8e4113a6dd6442d11889f3977eff54bd374f9a8e6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34ae615dd67441c1f90abc8e4113a6dd6442d11889f3977eff54bd374f9a8e6e", kill_on_drop: false }` [INFO] [stdout] 34ae615dd67441c1f90abc8e4113a6dd6442d11889f3977eff54bd374f9a8e6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3644ac6735713c5fd1239c679a0ed0f1c4ae39842ddaa4035293e4b2345cb654 [INFO] running `Command { std: "docker" "start" "-a" "3644ac6735713c5fd1239c679a0ed0f1c4ae39842ddaa4035293e4b2345cb654", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Compiling fs-err v2.11.0 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling serde_json v1.0.113 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.196 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tracing-durations-export v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> examples/cached_network.rs:76:16 [INFO] [stdout] | [INFO] [stdout] 76 | .then(|data| async { [INFO] [stdout] | ^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `Sized` is not implemented for `str` [INFO] [stdout] = note: all local variables must have a statically known size [INFO] [stdout] = help: unsized locals are gated as an unstable feature [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0631]: type mismatch in function arguments [INFO] [stdout] --> examples/cached_network.rs:76:15 [INFO] [stdout] | [INFO] [stdout] 76 | .then(|data| async { [INFO] [stdout] | __________----_^ [INFO] [stdout] | | | [INFO] [stdout] | | required by a bound introduced by this call [INFO] [stdout] 77 | | spawn_blocking(move || parse_network(&data)) [INFO] [stdout] 78 | | .await [INFO] [stdout] 79 | | .expect("the executor is broken") [INFO] [stdout] 80 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |_________expected due to this [INFO] [stdout] | found signature defined here [INFO] [stdout] | [INFO] [stdout] = note: expected function signature `fn(String) -> _` [INFO] [stdout] found function signature `fn(str) -> _` [INFO] [stdout] note: required by a bound in `futures::StreamExt::then` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-util-0.3.30/src/stream/stream/mod.rs:490:33 [INFO] [stdout] | [INFO] [stdout] 488 | fn then(self, f: F) -> Then [INFO] [stdout] | ---- required by a bound in this associated function [INFO] [stdout] 489 | where [INFO] [stdout] 490 | F: FnMut(Self::Item) -> Fut, [INFO] [stdout] | ^^^ required by this bound in `StreamExt::then` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `collect` exists for struct `Then>, impl Future, {closure@cached_network.rs:75:15}>, _, ...>`, but its trait bounds were not satisfied [INFO] [stdout] --> examples/cached_network.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 74 | / futures::stream::iter(0..4) [INFO] [stdout] 75 | | .then(|id| make_network_request("https://example.org/uncached", id)) [INFO] [stdout] 76 | | .then(|data| async { [INFO] [stdout] 77 | | spawn_blocking(move || parse_network(&data)) [INFO] [stdout] ... | [INFO] [stdout] 80 | | }) [INFO] [stdout] 81 | | .collect::>() [INFO] [stdout] | | -^^^^^^^ method cannot be called due to unsatisfied trait bounds [INFO] [stdout] | |_________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-util-0.3.30/src/stream/stream/then.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | / pin_project! { [INFO] [stdout] 12 | | /// Stream for the [`then`](super::StreamExt::then) method. [INFO] [stdout] 13 | | #[must_use = "streams do nothing unless polled"] [INFO] [stdout] 14 | | pub struct Then { [INFO] [stdout] ... | [INFO] [stdout] 20 | | } [INFO] [stdout] 21 | | } [INFO] [stdout] | |_- doesn't satisfy `_: Iterator`, `_: StreamExt` or `_: Stream` [INFO] [stdout] | [INFO] [stdout] = note: the full type name has been written to '/opt/rustwide/target/debug/examples/cached_network-f9eba32922e7d630.long-type-11657252577708291705.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: Stream` [INFO] [stdout] which is required by `futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: StreamExt` [INFO] [stdout] `&futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: Stream` [INFO] [stdout] which is required by `&futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: StreamExt` [INFO] [stdout] `&mut futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: Stream` [INFO] [stdout] which is required by `&mut futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: StreamExt` [INFO] [stdout] `futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: Iterator` [INFO] [stdout] which is required by `&mut futures::stream::Then>, impl futures::Future, {closure@examples/cached_network.rs:75:15: 75:19}>, _, {async closure@examples/cached_network.rs:76:15: 76:21}>: Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0631. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tracing-durations-export` (example "cached_network") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "3644ac6735713c5fd1239c679a0ed0f1c4ae39842ddaa4035293e4b2345cb654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3644ac6735713c5fd1239c679a0ed0f1c4ae39842ddaa4035293e4b2345cb654", kill_on_drop: false }` [INFO] [stdout] 3644ac6735713c5fd1239c679a0ed0f1c4ae39842ddaa4035293e4b2345cb654