[INFO] fetching crate httptest_server 0.1.0...
[INFO] checking httptest_server-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate httptest_server 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate httptest_server 0.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate httptest_server 0.1.0
[INFO] finished tweaking crates.io crate httptest_server 0.1.0
[INFO] tweaked toml for crates.io crate httptest_server 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded httptest_core v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c2af9d013150651bf16ea076a9ee8b366f7b096e5b1ca1b937f1511ec45c6ae
[INFO] running `Command { std: "docker" "start" "-a" "1c2af9d013150651bf16ea076a9ee8b366f7b096e5b1ca1b937f1511ec45c6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2af9d013150651bf16ea076a9ee8b366f7b096e5b1ca1b937f1511ec45c6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2af9d013150651bf16ea076a9ee8b366f7b096e5b1ca1b937f1511ec45c6ae", kill_on_drop: false }`
[INFO] [stdout] 1c2af9d013150651bf16ea076a9ee8b366f7b096e5b1ca1b937f1511ec45c6ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbe1eab7250c5a8bc56a5619f405bab1274eae94f324fa44a9e436d282eee46
[INFO] running `Command { std: "docker" "start" "-a" "4bbe1eab7250c5a8bc56a5619f405bab1274eae94f324fa44a9e436d282eee46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking httptest_core v0.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking httptest_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:138:24
[INFO] [stdout]     |
[INFO] [stdout] 138 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 139 | |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stdout] 140 | |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stdout] 141 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 138 ~                 panic!(
[INFO] [stdout] 139 |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stdout] 140 |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stdout] 141 ~                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:138:24
[INFO] [stdout]     |
[INFO] [stdout] 138 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 139 | |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stdout] 140 | |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stdout] 141 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 138 ~                 panic!(
[INFO] [stdout] 139 |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stdout] 140 |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stdout] 141 ~                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "4bbe1eab7250c5a8bc56a5619f405bab1274eae94f324fa44a9e436d282eee46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbe1eab7250c5a8bc56a5619f405bab1274eae94f324fa44a9e436d282eee46", kill_on_drop: false }`
[INFO] [stdout] 4bbe1eab7250c5a8bc56a5619f405bab1274eae94f324fa44a9e436d282eee46
