[INFO] fetching crate may 0.3.19...
[INFO] testing may-0.3.19 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate may 0.3.19 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate may 0.3.19 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-38/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded tungstenite v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f34654deef8daeee50de1abdc3b65b4a7ae597c5de23ff5d0d9d9940b2caab75
[INFO] running `Command { std: "docker" "start" "-a" "f34654deef8daeee50de1abdc3b65b4a7ae597c5de23ff5d0d9d9940b2caab75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f34654deef8daeee50de1abdc3b65b4a7ae597c5de23ff5d0d9d9940b2caab75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34654deef8daeee50de1abdc3b65b4a7ae597c5de23ff5d0d9d9940b2caab75", kill_on_drop: false }`
[INFO] [stdout] f34654deef8daeee50de1abdc3b65b4a7ae597c5de23ff5d0d9d9940b2caab75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dcc70e04925d45683dfad6fce713f8a6739a8f39d2522124394333d815b334d
[INFO] running `Command { std: "docker" "start" "-a" "7dcc70e04925d45683dfad6fce713f8a6739a8f39d2522124394333d815b334d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling may_queue v0.1.8
[INFO] [stderr]    Compiling may v0.3.19 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[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 7.80s
[INFO] running `Command { std: "docker" "inspect" "7dcc70e04925d45683dfad6fce713f8a6739a8f39d2522124394333d815b334d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcc70e04925d45683dfad6fce713f8a6739a8f39d2522124394333d815b334d", kill_on_drop: false }`
[INFO] [stdout] 7dcc70e04925d45683dfad6fce713f8a6739a8f39d2522124394333d815b334d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 074444f0f6373d753c6bdc02fd9d72e55311f1edec3966e6a9b5a5a330bf69a8
[INFO] running `Command { std: "docker" "start" "-a" "074444f0f6373d753c6bdc02fd9d72e55311f1edec3966e6a9b5a5a330bf69a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rand v0.4.6
[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 tinyvec v1.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tungstenite v0.13.0
[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=910c026cb7a7a790 -C extra-filename=-910c026cb7a7a790 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-486dd913f668f7b5.rlib --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-eeb825d1599851a4.rlib --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-48dc088a19e8e221.rlib --extern generator=/opt/rustwide/target/debug/deps/libgenerator-01bbded11b6a49ea.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-b39eb1106efb3a92.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-68a0f53c793e47cc.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-d1d9e9bb2ac58ba1.rlib --extern may_queue=/opt/rustwide/target/debug/deps/libmay_queue-ace3fee7ef666cd2.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-bbb4bb5a4ca15d4e.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-936f2a44a7988b15.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-92c33f5225c4690e.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-beef8b008aa9338c.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-1fa559610e7cd46b.so --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-dba68b901e1d2035.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-1ce4958717038d7a.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-bc52aac9ba3014d2.rlib --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-4f39fe00a7c46dc3.rlib --cap-lints=forbid --cfg nightly -L native=/opt/rustwide/target/debug/build/generator-a4e035b26fbdde73/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" "074444f0f6373d753c6bdc02fd9d72e55311f1edec3966e6a9b5a5a330bf69a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074444f0f6373d753c6bdc02fd9d72e55311f1edec3966e6a9b5a5a330bf69a8", kill_on_drop: false }`
[INFO] [stdout] 074444f0f6373d753c6bdc02fd9d72e55311f1edec3966e6a9b5a5a330bf69a8