[INFO] fetching crate yarws 0.3.0...
[INFO] checking yarws-0.3.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate yarws 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate yarws 0.3.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarws 0.3.0
[INFO] finished tweaking crates.io crate yarws 0.3.0
[INFO] tweaked toml for crates.io crate yarws 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate yarws 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.3.11
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded slog v2.5.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded arc-swap v0.4.5
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded slog-term v2.5.0
[INFO] [stderr]   Downloaded slog-scope v4.3.0
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] [stderr]   Downloaded openssl v0.10.29
[INFO] [stderr]   Downloaded security-framework v0.4.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.55
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded tokio-tls v0.3.0
[INFO] [stderr]   Downloaded smallvec v1.3.0
[INFO] [stderr]   Downloaded slog-stdlog v4.0.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.14
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded security-framework-sys v0.4.2
[INFO] [stderr]   Downloaded slog-async v2.5.0
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6614440d2ea71efa4c7556b0b0e5cbcafd9b479efc9c6bab6da21d4e45becfeb
[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" "6614440d2ea71efa4c7556b0b0e5cbcafd9b479efc9c6bab6da21d4e45becfeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6614440d2ea71efa4c7556b0b0e5cbcafd9b479efc9c6bab6da21d4e45becfeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6614440d2ea71efa4c7556b0b0e5cbcafd9b479efc9c6bab6da21d4e45becfeb", kill_on_drop: false }`
[INFO] [stdout] 6614440d2ea71efa4c7556b0b0e5cbcafd9b479efc9c6bab6da21d4e45becfeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6381f4adbc0a6206df0b8404688c2c74b56062825a94a5baa595a5a81d6b3ab9
[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" "6381f4adbc0a6206df0b8404688c2c74b56062825a94a5baa595a5a81d6b3ab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking yarws v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "6381f4adbc0a6206df0b8404688c2c74b56062825a94a5baa595a5a81d6b3ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6381f4adbc0a6206df0b8404688c2c74b56062825a94a5baa595a5a81d6b3ab9", kill_on_drop: false }`
[INFO] [stdout] 6381f4adbc0a6206df0b8404688c2c74b56062825a94a5baa595a5a81d6b3ab9