[INFO] fetching crate hypermangle-core 0.6.3...
[INFO] testing hypermangle-core-0.6.3 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095
[INFO] extracting crate hypermangle-core 0.6.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate hypermangle-core 0.6.3 on toolchain f23b22458132fb20faeb8a915b1c252478696f25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypermangle-core 0.6.3
[INFO] finished tweaking crates.io crate hypermangle-core 0.6.3
[INFO] tweaked toml for crates.io crate hypermangle-core 0.6.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "bad9a283dc4e2b2f13f90ce3f559d6c25cd90ad4c318bffd360cf50eb53690e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad9a283dc4e2b2f13f90ce3f559d6c25cd90ad4c318bffd360cf50eb53690e1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2ab8441b399dfff5a21a20206b04b75c6c1b5fae5e72e4a8f33359d3ab75d8e8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hypermangle-core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "2ab8441b399dfff5a21a20206b04b75c6c1b5fae5e72e4a8f33359d3ab75d8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab8441b399dfff5a21a20206b04b75c6c1b5fae5e72e4a8f33359d3ab75d8e8", kill_on_drop: false }`
[INFO] [stdout] 2ab8441b399dfff5a21a20206b04b75c6c1b5fae5e72e4a8f33359d3ab75d8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f72e2066cc6f86b56fa634c154cedd3fb3077f6124ee3b5ae38f1d1ea558a2
[INFO] running `Command { std: "docker" "start" "-a" "c6f72e2066cc6f86b56fa634c154cedd3fb3077f6124ee3b5ae38f1d1ea558a2", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hypermangle-core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/lib.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fs::{read_to_string, write, File},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/lib.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `domain_name` are never read
[INFO] [stdout]    --> src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HyperDomeConfig {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     email: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 167 |     #[serde(default)]
[INFO] [stdout] 168 |     domain_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "c6f72e2066cc6f86b56fa634c154cedd3fb3077f6124ee3b5ae38f1d1ea558a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f72e2066cc6f86b56fa634c154cedd3fb3077f6124ee3b5ae38f1d1ea558a2", kill_on_drop: false }`
[INFO] [stdout] c6f72e2066cc6f86b56fa634c154cedd3fb3077f6124ee3b5ae38f1d1ea558a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55256a9cca3bda0d64246e7d0656036a85e2c13929a782c0e048f91533878ca5
[INFO] running `Command { std: "docker" "start" "-a" "55256a9cca3bda0d64246e7d0656036a85e2c13929a782c0e048f91533878ca5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/lib.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fs::{read_to_string, write, File},
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `warn`
[INFO] [stderr]   --> src/lib.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | use log::{info, warn};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `return_position_impl_trait_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(return_position_impl_trait_in_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `email` and `domain_name` are never read
[INFO] [stderr]    --> src/lib.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | pub struct HyperDomeConfig {
[INFO] [stderr]     |            --------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 166 |     email: String,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 167 |     #[serde(default)]
[INFO] [stderr] 168 |     domain_name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hypermangle-core` (lib) generated 4 warnings (run `cargo fix --lib -p hypermangle-core` to apply 2 suggestions)
[INFO] [stderr] warning: `hypermangle-core` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hypermangle_core-90afad68c516d44d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hypermangle_core
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55256a9cca3bda0d64246e7d0656036a85e2c13929a782c0e048f91533878ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55256a9cca3bda0d64246e7d0656036a85e2c13929a782c0e048f91533878ca5", kill_on_drop: false }`
[INFO] [stdout] 55256a9cca3bda0d64246e7d0656036a85e2c13929a782c0e048f91533878ca5