[INFO] fetching crate isner 0.0.1-alpha.1...
[INFO] testing isner-0.0.1-alpha.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate isner 0.0.1-alpha.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate isner 0.0.1-alpha.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isner 0.0.1-alpha.1
[INFO] finished tweaking crates.io crate isner 0.0.1-alpha.1
[INFO] tweaked toml for crates.io crate isner 0.0.1-alpha.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate isner 0.0.1-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b6e536b73ef01a361d3b7ede2a8438603e3fea817bee009cd4f144cbb64adb
[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" "c2b6e536b73ef01a361d3b7ede2a8438603e3fea817bee009cd4f144cbb64adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b6e536b73ef01a361d3b7ede2a8438603e3fea817bee009cd4f144cbb64adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b6e536b73ef01a361d3b7ede2a8438603e3fea817bee009cd4f144cbb64adb", kill_on_drop: false }`
[INFO] [stdout] c2b6e536b73ef01a361d3b7ede2a8438603e3fea817bee009cd4f144cbb64adb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31efac0f4336f47ab7c410209356994088280f53e0d6e1a12210440d636954c0
[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" "31efac0f4336f47ab7c410209356994088280f53e0d6e1a12210440d636954c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling isner v0.0.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `Command { std: "docker" "inspect" "31efac0f4336f47ab7c410209356994088280f53e0d6e1a12210440d636954c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31efac0f4336f47ab7c410209356994088280f53e0d6e1a12210440d636954c0", kill_on_drop: false }`
[INFO] [stdout] 31efac0f4336f47ab7c410209356994088280f53e0d6e1a12210440d636954c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a8fe5797be200c9fc3afbcddc5e6f7c573db10d65637b1372211b6764092c33
[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" "9a8fe5797be200c9fc3afbcddc5e6f7c573db10d65637b1372211b6764092c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling isner v0.0.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "9a8fe5797be200c9fc3afbcddc5e6f7c573db10d65637b1372211b6764092c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8fe5797be200c9fc3afbcddc5e6f7c573db10d65637b1372211b6764092c33", kill_on_drop: false }`
[INFO] [stdout] 9a8fe5797be200c9fc3afbcddc5e6f7c573db10d65637b1372211b6764092c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a374634eb6247a3ac4efc4b3890e7d75722a98d94825bdaaad84867f9bbc791c
[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" "a374634eb6247a3ac4efc4b3890e7d75722a98d94825bdaaad84867f9bbc791c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/isner-53d78d12775b3033
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test http_handler::tests::get_response_with_parse_error ... ok
[INFO] [stdout] test http_handler::tests::get_response_ok ... ok
[INFO] [stdout] test http_handler::tests::handle_ok ... ok
[INFO] [stdout] test http_handler::tests::handle_request_ok ... ok
[INFO] [stdout] test http_handler::tests::handle_request_method_not_allowed ... ok
[INFO] [stdout] test http_handler::tests::handle_write_err ... ok
[INFO] [stdout] test http_handler::tests::write_response_ok ... ok
[INFO] [stdout] test http_handler::tests::write_response_err ... ok
[INFO] [stdout] test parser::tests::parse_request_with_no_headers_no_body ... ok
[INFO] [stdout] test parser::tests::parse_request_with_headers_no_body ... ok
[INFO] [stdout] test parser::tests::parse_missing_path ... ok
[INFO] [stdout] test parser::tests::parse_invalid_header_name ... ok
[INFO] [stdout] test parser::tests::parse_empty_request ... ok
[INFO] [stdout] test parser::tests::parse_invalid_header_line ... ok
[INFO] [stdout] test parser::tests::parse_invalid_path ... ok
[INFO] [stdout] test parser::tests::parse_invalid_method ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/isner-1244bc2c0ddc15d0
[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 isner
[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" "a374634eb6247a3ac4efc4b3890e7d75722a98d94825bdaaad84867f9bbc791c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a374634eb6247a3ac4efc4b3890e7d75722a98d94825bdaaad84867f9bbc791c", kill_on_drop: false }`
[INFO] [stdout] a374634eb6247a3ac4efc4b3890e7d75722a98d94825bdaaad84867f9bbc791c