[INFO] fetching crate nano-http 0.1.5...
[INFO] testing nano-http-0.1.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nano-http 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nano-http 0.1.5 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 nano-http 0.1.5
[INFO] finished tweaking crates.io crate nano-http 0.1.5
[INFO] tweaked toml for crates.io crate nano-http 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate nano-http 0.1.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7ade5ffeae4b8e255ce8c509c2df61536f378f1122dd785de611353dd19e4e0
[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" "e7ade5ffeae4b8e255ce8c509c2df61536f378f1122dd785de611353dd19e4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7ade5ffeae4b8e255ce8c509c2df61536f378f1122dd785de611353dd19e4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ade5ffeae4b8e255ce8c509c2df61536f378f1122dd785de611353dd19e4e0", kill_on_drop: false }`
[INFO] [stdout] e7ade5ffeae4b8e255ce8c509c2df61536f378f1122dd785de611353dd19e4e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca98e4f6eccf4fe7dfc0732bb0bc0cccd55589673eb0deed8da019424491f4ef
[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" "ca98e4f6eccf4fe7dfc0732bb0bc0cccd55589673eb0deed8da019424491f4ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling parking v1.0.2
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling fastrand v1.2.4
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling infer v0.1.7
[INFO] [stderr]    Compiling route-recognizer v0.1.13
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling byte-pool v0.2.1
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling ghash v0.2.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling aes-gcm v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling cookie v0.14.1
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling blocking v0.4.6
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_qs v0.6.1
[INFO] [stderr]    Compiling femme v2.1.0
[INFO] [stderr]    Compiling js-sys v0.3.40
[INFO] [stderr]    Compiling web-sys v0.3.40
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling http-types v2.2.1
[INFO] [stderr]    Compiling async-h1 v2.0.2
[INFO] [stderr]    Compiling async-sse v3.0.0
[INFO] [stderr]    Compiling tide v0.11.0
[INFO] [stderr]    Compiling nano-http v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `content_type`
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         content_type,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: try ignoring the field: `content_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "ca98e4f6eccf4fe7dfc0732bb0bc0cccd55589673eb0deed8da019424491f4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca98e4f6eccf4fe7dfc0732bb0bc0cccd55589673eb0deed8da019424491f4ef", kill_on_drop: false }`
[INFO] [stdout] ca98e4f6eccf4fe7dfc0732bb0bc0cccd55589673eb0deed8da019424491f4ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeec04ea645284739b924c7abf20f76112cb04e33a15eb2d346d5e6d6665e0ad
[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" "aeec04ea645284739b924c7abf20f76112cb04e33a15eb2d346d5e6d6665e0ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling nano-http v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `content_type`
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         content_type,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: try ignoring the field: `content_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "aeec04ea645284739b924c7abf20f76112cb04e33a15eb2d346d5e6d6665e0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeec04ea645284739b924c7abf20f76112cb04e33a15eb2d346d5e6d6665e0ad", kill_on_drop: false }`
[INFO] [stdout] aeec04ea645284739b924c7abf20f76112cb04e33a15eb2d346d5e6d6665e0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bae57ec6c7590b7f831178d95a173740d62e903a29c5c841fb4a2f076f85b1df
[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" "bae57ec6c7590b7f831178d95a173740d62e903a29c5c841fb4a2f076f85b1df", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `content_type`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         content_type,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: try ignoring the field: `content_type: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nano_http-9228ac5c99ced641
[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" "bae57ec6c7590b7f831178d95a173740d62e903a29c5c841fb4a2f076f85b1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae57ec6c7590b7f831178d95a173740d62e903a29c5c841fb4a2f076f85b1df", kill_on_drop: false }`
[INFO] [stdout] bae57ec6c7590b7f831178d95a173740d62e903a29c5c841fb4a2f076f85b1df