[INFO] fetching crate s3-stress 0.1.6...
[INFO] checking s3-stress-0.1.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate s3-stress 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate s3-stress 0.1.6
[INFO] finished tweaking crates.io crate s3-stress 0.1.6
[INFO] tweaked toml for crates.io crate s3-stress 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate s3-stress 0.1.6 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate s3-stress 0.1.6 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9196e85491fce6dc32056f1e7b1674b0604ed98e8d7ce062cb953ea801e73dd
[INFO] running `Command { std: "docker" "start" "-a" "e9196e85491fce6dc32056f1e7b1674b0604ed98e8d7ce062cb953ea801e73dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9196e85491fce6dc32056f1e7b1674b0604ed98e8d7ce062cb953ea801e73dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9196e85491fce6dc32056f1e7b1674b0604ed98e8d7ce062cb953ea801e73dd", kill_on_drop: false }`
[INFO] [stdout] e9196e85491fce6dc32056f1e7b1674b0604ed98e8d7ce062cb953ea801e73dd
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dfb2e2bf55c4466e7173e80e013565bc316d7741ce41d067549e6ce35787692
[INFO] running `Command { std: "docker" "start" "-a" "2dfb2e2bf55c4466e7173e80e013565bc316d7741ce41d067549e6ce35787692", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking outref v0.5.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling cc v1.1.7
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking base64ct v1.6.0
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[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking base16ct v0.1.1
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[INFO] [stderr]    Compiling ring v0.17.8
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[INFO] [stderr]     Checking rustls-native-certs v0.6.3
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[INFO] [stderr]     Checking crypto-common v0.1.6
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[INFO] [stderr]    Compiling aws-types v1.3.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking digest v0.10.7
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[INFO] [stderr]    Compiling crc32c v0.6.8
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[INFO] [stderr]     Checking rfc6979 v0.3.1
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tokio v1.39.2
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[INFO] [stderr]     Checking aws-smithy-runtime-api v1.7.1
[INFO] [stderr]     Checking aws-smithy-eventstream v0.60.4
[INFO] [stderr]     Checking aws-smithy-json v0.60.7
[INFO] [stderr]     Checking aws-smithy-query v0.60.7
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[INFO] [stderr]     Checking aws-credential-types v1.2.0
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[INFO] [stderr]     Checking aws-sdk-account v1.37.0
[INFO] [stderr]     Checking aws-sdk-s3 v1.42.0
[INFO] [stderr]     Checking aws-config v1.5.4
[INFO] [stderr]     Checking s3-stress v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<BucketLocationConstraint, Infallible>
[INFO] [stdout]    --> src/main.rs:154:20
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let location = BucketLocationConstraint::from_str(new_bucket_location.as_str()).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BucketLocationConstraint, Infallible>
[INFO] [stdout]    --> src/main.rs:154:20
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let location = BucketLocationConstraint::from_str(new_bucket_location.as_str()).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `s3-stress` (bin "s3-stress" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `s3-stress` (bin "s3-stress") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2dfb2e2bf55c4466e7173e80e013565bc316d7741ce41d067549e6ce35787692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfb2e2bf55c4466e7173e80e013565bc316d7741ce41d067549e6ce35787692", kill_on_drop: false }`
[INFO] [stdout] 2dfb2e2bf55c4466e7173e80e013565bc316d7741ce41d067549e6ce35787692