[INFO] fetching crate bucket 1.0.0...
[INFO] testing bucket-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate bucket 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate bucket 1.0.0
[INFO] finished tweaking crates.io crate bucket 1.0.0
[INFO] tweaked toml for crates.io crate bucket 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bucket 1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 930ea3acdf27bf56cd1bf35af5da5c063bdbc9dbed7f66466b2d0e1b4a68d70c
[INFO] running `Command { std: "docker" "start" "-a" "930ea3acdf27bf56cd1bf35af5da5c063bdbc9dbed7f66466b2d0e1b4a68d70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "930ea3acdf27bf56cd1bf35af5da5c063bdbc9dbed7f66466b2d0e1b4a68d70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930ea3acdf27bf56cd1bf35af5da5c063bdbc9dbed7f66466b2d0e1b4a68d70c", kill_on_drop: false }`
[INFO] [stdout] 930ea3acdf27bf56cd1bf35af5da5c063bdbc9dbed7f66466b2d0e1b4a68d70c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf908110b2072df5ba4a988ed9c45c0efdea6833016de832f4a38dd2ff53f931
[INFO] running `Command { std: "docker" "start" "-a" "bf908110b2072df5ba4a988ed9c45c0efdea6833016de832f4a38dd2ff53f931", kill_on_drop: false }`
[INFO] [stderr]    Compiling bucket v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "bf908110b2072df5ba4a988ed9c45c0efdea6833016de832f4a38dd2ff53f931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf908110b2072df5ba4a988ed9c45c0efdea6833016de832f4a38dd2ff53f931", kill_on_drop: false }`
[INFO] [stdout] bf908110b2072df5ba4a988ed9c45c0efdea6833016de832f4a38dd2ff53f931
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45dd9d2a877b54bb7100223abb4f75e5700f5031739fa1d66b4b061fa0301d23
[INFO] running `Command { std: "docker" "start" "-a" "45dd9d2a877b54bb7100223abb4f75e5700f5031739fa1d66b4b061fa0301d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling bucket v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "45dd9d2a877b54bb7100223abb4f75e5700f5031739fa1d66b4b061fa0301d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45dd9d2a877b54bb7100223abb4f75e5700f5031739fa1d66b4b061fa0301d23", kill_on_drop: false }`
[INFO] [stdout] 45dd9d2a877b54bb7100223abb4f75e5700f5031739fa1d66b4b061fa0301d23
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 024f0209414d4d73be2630a8e8f93e84a60d28bed54112f3a8b2521bf32b69de
[INFO] running `Command { std: "docker" "start" "-a" "024f0209414d4d73be2630a8e8f93e84a60d28bed54112f3a8b2521bf32b69de", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/bucket.rs (/opt/rustwide/target/debug/deps/bucket-48bb8900ebad01f2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::construction ... ok
[INFO] [stdout] test tests::default_construction ... ok
[INFO] [stdout] test tests::vacating_non_primitive ... ok
[INFO] [stdout] test tests::vacating_primitive ... ok
[INFO] [stdout] test tests::filling ... ok
[INFO] [stdout] test tests::peek_ref ... ok
[INFO] [stdout] test tests::empty_exception ... ok
[INFO] [stdout] test tests::peek_ref_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bucket
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/bucket.rs - Bucket<T>::vacate (line 35) ... FAILED
[INFO] [stdout] test src/bucket.rs - Bucket<T>::peek_ref (line 60) ... FAILED
[INFO] [stdout] test src/bucket.rs - Bucket<T>::peek_mut (line 77) ... ok
[INFO] [stdout] test src/bucket.rs - Bucket<T>::fill (line 96) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/bucket.rs - Bucket<T>::vacate (line 35) stdout ----
[INFO] [stdout] error[E0282]: type annotations needed for `Bucket<_>`
[INFO] [stdout]   --> src/bucket.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | let bucket = Bucket::default();
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 | assert!(bucket.vacate().is_none());
[INFO] [stdout]    |         --------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `bucket` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 10 | let bucket: Bucket<T> = Bucket::default();
[INFO] [stdout]    |           +++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/bucket.rs - Bucket<T>::peek_ref (line 60) stdout ----
[INFO] [stdout] error[E0277]: `Option<&{integer}>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/bucket.rs:65:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | println!("{}", bucket.peek_ref());
[INFO] [stdout]   |           --   ^^^^^^^^^^^^^^^^^ `Option<&{integer}>` cannot be formatted with the default formatter
[INFO] [stdout]   |           |
[INFO] [stdout]   |           required by this formatting parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Option<&{integer}>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/bucket.rs - Bucket<T>::peek_ref (line 60)
[INFO] [stdout]     src/bucket.rs - Bucket<T>::vacate (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "024f0209414d4d73be2630a8e8f93e84a60d28bed54112f3a8b2521bf32b69de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024f0209414d4d73be2630a8e8f93e84a60d28bed54112f3a8b2521bf32b69de", kill_on_drop: false }`
[INFO] [stdout] 024f0209414d4d73be2630a8e8f93e84a60d28bed54112f3a8b2521bf32b69de