[INFO] fetching crate may 0.3.19...
[INFO] testing may-0.3.19 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate may 0.3.19 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate may 0.3.19 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may 0.3.19
[INFO] finished tweaking crates.io crate may 0.3.19
[INFO] tweaked toml for crates.io crate may 0.3.19 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate may 0.3.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] b0b9de0757db20f2866a2f9bdcedeaa03c2b5af0d86520aacea5383250b90eec
[INFO] running `Command { std: "docker" "start" "-a" "b0b9de0757db20f2866a2f9bdcedeaa03c2b5af0d86520aacea5383250b90eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0b9de0757db20f2866a2f9bdcedeaa03c2b5af0d86520aacea5383250b90eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b9de0757db20f2866a2f9bdcedeaa03c2b5af0d86520aacea5383250b90eec", kill_on_drop: false }`
[INFO] [stdout] b0b9de0757db20f2866a2f9bdcedeaa03c2b5af0d86520aacea5383250b90eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] 0625fa8193ce12f62139a3a984d01909a9e5d34b4fa35300b058025581472a2a
[INFO] running `Command { std: "docker" "start" "-a" "0625fa8193ce12f62139a3a984d01909a9e5d34b4fa35300b058025581472a2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling may_queue v0.1.8
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling may v0.3.19 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stdout] warning: lint `non_fmt_panic` has been renamed to `non_fmt_panics`
[INFO] [stdout]   --> src/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![allow(non_fmt_panic)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` 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 15.69s
[INFO] running `Command { std: "docker" "inspect" "0625fa8193ce12f62139a3a984d01909a9e5d34b4fa35300b058025581472a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0625fa8193ce12f62139a3a984d01909a9e5d34b4fa35300b058025581472a2a", kill_on_drop: false }`
[INFO] [stdout] 0625fa8193ce12f62139a3a984d01909a9e5d34b4fa35300b058025581472a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf09a6b3376ae1a67e3b08faafa409001250aa90bd4744abd9c6d53cc839abd6
[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" "cf09a6b3376ae1a67e3b08faafa409001250aa90bd4744abd9c6d53cc839abd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stdout] warning: lint `non_fmt_panic` has been renamed to `non_fmt_panics`
[INFO] [stdout]   --> src/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![allow(non_fmt_panic)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling may v0.3.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `non_fmt_panic` has been renamed to `non_fmt_panics`
[INFO] [stdout]   --> src/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![allow(non_fmt_panic)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `may`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name may --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=8e18440daabc455e -C extra-filename=-8e18440daabc455e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-d756a69163f1ed00.rlib --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-747fececb2633517.rlib --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-cb9e5eeb94459ac5.rlib --extern generator=/opt/rustwide/target/debug/deps/libgenerator-95afae59fe4d29de.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-d72df8853ab05064.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-e7154e29fa068deb.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-01281b64fe0b6ea0.rlib --extern may_queue=/opt/rustwide/target/debug/deps/libmay_queue-f27c1bd5b3572368.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-7e8b5a238aa5b64b.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-f73fc48c83fa6cc1.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-54670bbc5a94824d.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-99a24146ad061be9.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-b8c7ccf1a36944b8.so --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-2373f89db8adc0bf.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-0d5394697c8d9ef9.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-6fca1f1680fe77c0.rlib --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-8f22ea89bb3167b6.rlib --cap-lints=forbid --cfg nightly -L native=/opt/rustwide/target/debug/build/generator-521bbb30e178fdb3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf09a6b3376ae1a67e3b08faafa409001250aa90bd4744abd9c6d53cc839abd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf09a6b3376ae1a67e3b08faafa409001250aa90bd4744abd9c6d53cc839abd6", kill_on_drop: false }`
[INFO] [stdout] cf09a6b3376ae1a67e3b08faafa409001250aa90bd4744abd9c6d53cc839abd6