[INFO] fetching crate hvcg_student_openapi_student 0.1.0...
[INFO] checking hvcg_student_openapi_student-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate hvcg_student_openapi_student 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate hvcg_student_openapi_student 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hvcg_student_openapi_student 0.1.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate hvcg_student_openapi_student 0.1.0
[INFO] tweaked toml for crates.io crate hvcg_student_openapi_student 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate hvcg_student_openapi_student 0.1.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 953771dc863589bd14d27b0b7b4d9e1ae4b5ee31e3644253f4428b12ce3b7959
[INFO] running `Command { std: "docker" "start" "-a" "953771dc863589bd14d27b0b7b4d9e1ae4b5ee31e3644253f4428b12ce3b7959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953771dc863589bd14d27b0b7b4d9e1ae4b5ee31e3644253f4428b12ce3b7959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953771dc863589bd14d27b0b7b4d9e1ae4b5ee31e3644253f4428b12ce3b7959", kill_on_drop: false }`
[INFO] [stdout] 953771dc863589bd14d27b0b7b4d9e1ae4b5ee31e3644253f4428b12ce3b7959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3d57ad3dd48ccdd9c845729eb645b0399f5d397b9f532fcb1c5290cdf48450f
[INFO] running `Command { std: "docker" "start" "-a" "d3d57ad3dd48ccdd9c845729eb645b0399f5d397b9f532fcb1c5290cdf48450f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling hyper-openssl v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-openssl v0.4.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking swagger v5.1.0
[INFO] [stderr]     Checking hvcg_student_openapi_student v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> examples/server/server.rs:118:30
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let context = context.clone();
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `C` does not implement `Clone`, so calling `clone` on `&C` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> examples/server/server.rs:129:30
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let context = context.clone();
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `C` does not implement `Clone`, so calling `clone` on `&C` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> examples/server/server.rs:141:30
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let context = context.clone();
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `C` does not implement `Clone`, so calling `clone` on `&C` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> examples/server/server.rs:152:30
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let context = context.clone();
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `C` does not implement `Clone`, so calling `clone` on `&C` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> examples/server/server.rs:171:30
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let context = context.clone();
[INFO] [stdout]     |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `C` does not implement `Clone`, so calling `clone` on `&C` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.30s
[INFO] running `Command { std: "docker" "inspect" "d3d57ad3dd48ccdd9c845729eb645b0399f5d397b9f532fcb1c5290cdf48450f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d57ad3dd48ccdd9c845729eb645b0399f5d397b9f532fcb1c5290cdf48450f", kill_on_drop: false }`
[INFO] [stdout] d3d57ad3dd48ccdd9c845729eb645b0399f5d397b9f532fcb1c5290cdf48450f