[INFO] fetching crate agdb_server 0.6.9...
[INFO] checking agdb_server-0.6.9 against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1
[INFO] extracting crate agdb_server 0.6.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate agdb_server 0.6.9 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 agdb_server 0.6.9
[INFO] finished tweaking crates.io crate agdb_server 0.6.9
[INFO] tweaked toml for crates.io crate agdb_server 0.6.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate agdb_server 0.6.9 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ec544bd57f380e924ed0fe96596e5116eb26f3421ceae3e2d30ddf996911e7fe
[INFO] running `Command { std: "docker" "start" "-a" "ec544bd57f380e924ed0fe96596e5116eb26f3421ceae3e2d30ddf996911e7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec544bd57f380e924ed0fe96596e5116eb26f3421ceae3e2d30ddf996911e7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec544bd57f380e924ed0fe96596e5116eb26f3421ceae3e2d30ddf996911e7fe", kill_on_drop: false }`
[INFO] [stdout] ec544bd57f380e924ed0fe96596e5116eb26f3421ceae3e2d30ddf996911e7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 12342a149adb514a9776a3cb52663cc71f1447f56e1c332389a276e85934bbbd
[INFO] running `Command { std: "docker" "start" "-a" "12342a149adb514a9776a3cb52663cc71f1447f56e1c332389a276e85934bbbd", kill_on_drop: false }`
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[INFO] [stderr]     Checking agdb_server v0.6.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/db_pool/server_db_storage.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         format!("{:?}", storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/db_pool/server_db_storage.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         format!("{:?}", storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/db_pool/server_db_storage.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         format!("{:?}", storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]   --> src/server_error.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         format!("{:?}", ServerError::from("my error"));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "12342a149adb514a9776a3cb52663cc71f1447f56e1c332389a276e85934bbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12342a149adb514a9776a3cb52663cc71f1447f56e1c332389a276e85934bbbd", kill_on_drop: false }`
[INFO] [stdout] 12342a149adb514a9776a3cb52663cc71f1447f56e1c332389a276e85934bbbd
[INFO] checking agdb_server-0.6.9 against try#357cc345f0a672ac4bee347eb89b7552541416c1 for pr-127827-1
[INFO] extracting crate agdb_server 0.6.9 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate agdb_server 0.6.9 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 agdb_server 0.6.9
[INFO] finished tweaking crates.io crate agdb_server 0.6.9
[INFO] tweaked toml for crates.io crate agdb_server 0.6.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate agdb_server 0.6.9 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-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc0392d9df8389255701ebbbd342dbc8915661adfca595f7f9e82d0a193e62b
[INFO] running `Command { std: "docker" "start" "-a" "2dc0392d9df8389255701ebbbd342dbc8915661adfca595f7f9e82d0a193e62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc0392d9df8389255701ebbbd342dbc8915661adfca595f7f9e82d0a193e62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc0392d9df8389255701ebbbd342dbc8915661adfca595f7f9e82d0a193e62b", kill_on_drop: false }`
[INFO] [stdout] 2dc0392d9df8389255701ebbbd342dbc8915661adfca595f7f9e82d0a193e62b
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8015756afcc416e9a0f1e0077db8c9f26e598ff47e2478fc9ebf9400a8eb66d4
[INFO] running `Command { std: "docker" "start" "-a" "8015756afcc416e9a0f1e0077db8c9f26e598ff47e2478fc9ebf9400a8eb66d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
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[INFO] [stderr]    Compiling agdb_derive v0.6.9
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[INFO] [stderr]     Checking agdb v0.6.9
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[INFO] [stderr]     Checking agdb_api v0.6.9
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[INFO] [stderr]     Checking agdb_server v0.6.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/db_pool/server_db_storage.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         format!("{:?}", storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/db_pool/server_db_storage.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         format!("{:?}", storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/db_pool/server_db_storage.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         format!("{:?}", storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]   --> src/server_error.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         format!("{:?}", ServerError::from("my error"));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "8015756afcc416e9a0f1e0077db8c9f26e598ff47e2478fc9ebf9400a8eb66d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8015756afcc416e9a0f1e0077db8c9f26e598ff47e2478fc9ebf9400a8eb66d4", kill_on_drop: false }`
[INFO] [stdout] 8015756afcc416e9a0f1e0077db8c9f26e598ff47e2478fc9ebf9400a8eb66d4