[INFO] fetching crate httptest 0.15.1...
[INFO] checking httptest-0.15.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate httptest 0.15.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate httptest 0.15.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate httptest 0.15.1
[INFO] finished tweaking crates.io crate httptest 0.15.1
[INFO] tweaked toml for crates.io crate httptest 0.15.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef5bef49461a4a886bb46887adb677a056dc2b39a0dd675a553c454220891001
[INFO] running `Command { std: "docker" "start" "-a" "ef5bef49461a4a886bb46887adb677a056dc2b39a0dd675a553c454220891001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5bef49461a4a886bb46887adb677a056dc2b39a0dd675a553c454220891001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5bef49461a4a886bb46887adb677a056dc2b39a0dd675a553c454220891001", kill_on_drop: false }`
[INFO] [stdout] ef5bef49461a4a886bb46887adb677a056dc2b39a0dd675a553c454220891001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 183fb78a9b332f45a230e8a627a4185a5a604f91dfe0c71749ea5cef83853a9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "183fb78a9b332f45a230e8a627a4185a5a604f91dfe0c71749ea5cef83853a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking httptest v0.15.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/server.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 131 | |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {}",
[INFO] [stdout] 132 | |                     matcher_name(&*expectation.matcher),
[INFO] [stdout] 133 | |                     expectation.hit_count,
[INFO] [stdout] 134 | |                     RangeDisplay(expectation.times),
[INFO] [stdout] 135 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 panic!(
[INFO] [stdout] 131 |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {}",
[INFO] [stdout] 132 |                     matcher_name(&*expectation.matcher),
[INFO] [stdout] 133 |                     expectation.hit_count,
[INFO] [stdout] 134 |                     RangeDisplay(expectation.times),
[INFO] [stdout] 135 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/server.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 131 | |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {}",
[INFO] [stdout] 132 | |                     matcher_name(&*expectation.matcher),
[INFO] [stdout] 133 | |                     expectation.hit_count,
[INFO] [stdout] 134 | |                     RangeDisplay(expectation.times),
[INFO] [stdout] 135 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 panic!(
[INFO] [stdout] 131 |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {}",
[INFO] [stdout] 132 |                     matcher_name(&*expectation.matcher),
[INFO] [stdout] 133 |                     expectation.hit_count,
[INFO] [stdout] 134 |                     RangeDisplay(expectation.times),
[INFO] [stdout] 135 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "183fb78a9b332f45a230e8a627a4185a5a604f91dfe0c71749ea5cef83853a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183fb78a9b332f45a230e8a627a4185a5a604f91dfe0c71749ea5cef83853a9c", kill_on_drop: false }`
[INFO] [stdout] 183fb78a9b332f45a230e8a627a4185a5a604f91dfe0c71749ea5cef83853a9c