[INFO] fetching crate wordmarkov 0.1.4...
[INFO] checking wordmarkov-0.1.4 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] extracting crate wordmarkov 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wordmarkov 0.1.4
[INFO] finished tweaking crates.io crate wordmarkov 0.1.4
[INFO] tweaked toml for crates.io crate wordmarkov 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wordmarkov 0.1.4 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wordmarkov 0.1.4 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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae22a75745a3bada826a71be8f84e066eb6db7eeca61141933b352b5f55fbcf
[INFO] running `Command { std: "docker" "start" "-a" "9ae22a75745a3bada826a71be8f84e066eb6db7eeca61141933b352b5f55fbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae22a75745a3bada826a71be8f84e066eb6db7eeca61141933b352b5f55fbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae22a75745a3bada826a71be8f84e066eb6db7eeca61141933b352b5f55fbcf", kill_on_drop: false }`
[INFO] [stdout] 9ae22a75745a3bada826a71be8f84e066eb6db7eeca61141933b352b5f55fbcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d2ded4965df685615a72bf46562bfaf4e49f5135d7a662556c00ce0556dddc
[INFO] running `Command { std: "docker" "start" "-a" "c8d2ded4965df685615a72bf46562bfaf4e49f5135d7a662556c00ce0556dddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking getrandom v0.2.8
[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]     Checking wordmarkov v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/chain/selectors/prelude.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::fixed::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ the name `NaiveRandomSelector` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use super::interface::*;
[INFO] [stdout] 5 | pub use super::random::*;
[INFO] [stdout]   |         ---------------- but the name `NaiveRandomSelector` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/chain/selectors/prelude.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::fixed::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ the name `NaiveRandomSelector` in the value namespace is first re-exported here
[INFO] [stdout] 4 | pub use super::interface::*;
[INFO] [stdout] 5 | pub use super::random::*;
[INFO] [stdout]   |         ---------------- but the name `NaiveRandomSelector` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/chain/selectors/prelude.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::fixed::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ the name `NaiveRandomSelector` in the type namespace is first re-exported here
[INFO] [stdout] 4 | pub use super::interface::*;
[INFO] [stdout] 5 | pub use super::random::*;
[INFO] [stdout]   |         ---------------- but the name `NaiveRandomSelector` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/chain/selectors/prelude.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use super::fixed::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ the name `NaiveRandomSelector` in the value namespace is first re-exported here
[INFO] [stdout] 4 | pub use super::interface::*;
[INFO] [stdout] 5 | pub use super::random::*;
[INFO] [stdout]   |         ---------------- but the name `NaiveRandomSelector` in the value namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chain/token.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> std::collections::linked_list::Iter<MarkovToken> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |         |                                   |
[INFO] [stdout]    |                 |         |                                   the same lifetime is hidden here
[INFO] [stdout]    |                 |         the same lifetime is hidden here
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> std::collections::linked_list::Iter<'_, MarkovToken<'_>> {
[INFO] [stdout]    |                                                               +++            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chain/token.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> std::collections::linked_list::Iter<MarkovToken> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |         |                                   |
[INFO] [stdout]    |                 |         |                                   the same lifetime is hidden here
[INFO] [stdout]    |                 |         the same lifetime is hidden here
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> std::collections::linked_list::Iter<'_, MarkovToken<'_>> {
[INFO] [stdout]    |                                                               +++            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "c8d2ded4965df685615a72bf46562bfaf4e49f5135d7a662556c00ce0556dddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d2ded4965df685615a72bf46562bfaf4e49f5135d7a662556c00ce0556dddc", kill_on_drop: false }`
[INFO] [stdout] c8d2ded4965df685615a72bf46562bfaf4e49f5135d7a662556c00ce0556dddc