[INFO] fetching crate httptest_server 0.1.0...
[INFO] testing httptest_server-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate httptest_server 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate httptest_server 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2bc3e1791c4e192313efdbbbf6d5122fcb36a8c94eefe0e58e8e9a4ba9bb16
[INFO] running `Command { std: "docker" "start" "-a" "8c2bc3e1791c4e192313efdbbbf6d5122fcb36a8c94eefe0e58e8e9a4ba9bb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2bc3e1791c4e192313efdbbbf6d5122fcb36a8c94eefe0e58e8e9a4ba9bb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2bc3e1791c4e192313efdbbbf6d5122fcb36a8c94eefe0e58e8e9a4ba9bb16", kill_on_drop: false }`
[INFO] [stdout] 8c2bc3e1791c4e192313efdbbbf6d5122fcb36a8c94eefe0e58e8e9a4ba9bb16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617b78cced3fd4667ca2cea2e1b9edd91e0b5d865b724acf8763d4085a361e68
[INFO] running `Command { std: "docker" "start" "-a" "617b78cced3fd4667ca2cea2e1b9edd91e0b5d865b724acf8763d4085a361e68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling httptest_core v0.1.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling 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: `#[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] 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.37s
[INFO] running `Command { std: "docker" "inspect" "617b78cced3fd4667ca2cea2e1b9edd91e0b5d865b724acf8763d4085a361e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617b78cced3fd4667ca2cea2e1b9edd91e0b5d865b724acf8763d4085a361e68", kill_on_drop: false }`
[INFO] [stdout] 617b78cced3fd4667ca2cea2e1b9edd91e0b5d865b724acf8763d4085a361e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64efefa2197851dc254df48630dc15dd3e54d534b920e03fdcd09443a0c7f1f
[INFO] running `Command { std: "docker" "start" "-a" "b64efefa2197851dc254df48630dc15dd3e54d534b920e03fdcd09443a0c7f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: `#[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] 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: 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: `#[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] 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "b64efefa2197851dc254df48630dc15dd3e54d534b920e03fdcd09443a0c7f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64efefa2197851dc254df48630dc15dd3e54d534b920e03fdcd09443a0c7f1f", kill_on_drop: false }`
[INFO] [stdout] b64efefa2197851dc254df48630dc15dd3e54d534b920e03fdcd09443a0c7f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 919b1d7c8adf9cf02e0010cf959cc8e2ca7673d7fba33c4e25b1852412ed7165
[INFO] running `Command { std: "docker" "start" "-a" "919b1d7c8adf9cf02e0010cf959cc8e2ca7673d7fba33c4e25b1852412ed7165", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:138:24
[INFO] [stderr]     |
[INFO] [stderr] 138 |                   panic!(format!(
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 139 | |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stderr] 140 | |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stderr] 141 | |                 ));
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 panic!(
[INFO] [stderr] 139 |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stderr] 140 |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stderr] 141 |                 );
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:138:24
[INFO] [stderr]     |
[INFO] [stderr] 138 |                   panic!(format!(
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 139 | |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stderr] 140 | |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stderr] 141 | |                 ));
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 panic!(
[INFO] [stderr] 139 |                     "Unexpected number of requests for matcher '{:?}'; received {}; expected {:?}",
[INFO] [stderr] 140 |                     &expectation.matcher, expectation.hit_count, &expectation.cardinality,
[INFO] [stderr] 141 |                 );
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/httptest_server-2c74667907ec28d7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests httptest_server
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "919b1d7c8adf9cf02e0010cf959cc8e2ca7673d7fba33c4e25b1852412ed7165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919b1d7c8adf9cf02e0010cf959cc8e2ca7673d7fba33c4e25b1852412ed7165", kill_on_drop: false }`
[INFO] [stdout] 919b1d7c8adf9cf02e0010cf959cc8e2ca7673d7fba33c4e25b1852412ed7165
