[INFO] fetching crate mech-server 0.0.4...
[INFO] checking mech-server-0.0.4 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate mech-server 0.0.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mech-server 0.0.4 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-server 0.0.4
[INFO] finished tweaking crates.io crate mech-server 0.0.4
[INFO] tweaked toml for crates.io crate mech-server 0.0.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 238 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.23.0)
[INFO] [stderr]       Adding ahash v0.3.8 (latest: v0.8.11)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding base64 v0.9.3 (latest: v0.22.1)
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bincode v0.8.0 (latest: v1.3.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding cookie v0.12.0 (latest: v0.18.1)
[INFO] [stderr]       Adding cookie_store v0.7.0 (latest: v0.21.0)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (latest: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.20)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.30.0)
[INFO] [stderr]       Adding h2 v0.1.26 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.7.2 (latest: v0.14.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.1.0 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.10.16 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper v0.12.36 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-tls v0.3.2 (latest: v0.6.0)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding idna v0.2.3 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding language-tags v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding libloading v0.5.2 (latest: v0.8.3)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.12)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding mech-core v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding mech-program v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding mech-syntax v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding mech-utilities v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding mime v0.2.6 (latest: v0.3.17)
[INFO] [stderr]       Adding mime_guess v1.8.8 (latest: v2.0.4)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding nom v5.1.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.36.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding parking_lot v0.9.0 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.6.3 (latest: v0.9.10)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding phf v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_codegen v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding publicsuffix v1.5.6 (latest: v2.2.3)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding reqwest v0.9.24 (latest: v0.12.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding same-file v0.1.3 (latest: v1.0.6)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding serde_urlencoded v0.5.5 (latest: v0.7.1)
[INFO] [stderr]       Adding sha-1 v0.8.2 (latest: v0.10.1)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding string v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding term-painter v0.2.4 (latest: v0.4.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding tokio v0.1.22 (latest: v1.37.0)
[INFO] [stderr]       Adding unicase v1.4.2 (latest: v2.7.0)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding uuid v0.7.4 (latest: v1.8.0)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] [stderr]       Adding walkdir v1.0.7 (latest: v2.5.0)
[INFO] [stderr]       Adding want v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding winreg v0.6.2 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sequence_trie v0.3.6
[INFO] [stderr]   Downloaded mech-program v0.0.4
[INFO] [stderr]   Downloaded mount v0.4.0
[INFO] [stderr]   Downloaded iron v0.6.1
[INFO] [stderr]   Downloaded mech-core v0.0.4
[INFO] [stderr]   Downloaded mech-utilities v0.0.4
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded mech-syntax v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e617b306e365f2f7866808f2ce72e7278423fb08349713bce6359be454420dc5
[INFO] running `Command { std: "docker" "start" "-a" "e617b306e365f2f7866808f2ce72e7278423fb08349713bce6359be454420dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e617b306e365f2f7866808f2ce72e7278423fb08349713bce6359be454420dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e617b306e365f2f7866808f2ce72e7278423fb08349713bce6359be454420dc5", kill_on_drop: false }`
[INFO] [stdout] e617b306e365f2f7866808f2ce72e7278423fb08349713bce6359be454420dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da14b64c3c891b71739816a34d614c3fdece9909b5ccb3749f555762844e2149
[INFO] running `Command { std: "docker" "start" "-a" "da14b64c3c891b71739816a34d614c3fdece9909b5ccb3749f555762844e2149", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking ws v0.9.2
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking mech-core v0.0.4
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking mech-utilities v0.0.4
[INFO] [stderr]     Checking mech-syntax v0.0.4
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-syntax-0.0.4/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<(std::string::String, hashbrown::HashSet<u64>, hashbrown::HashSet<u64>, Vec<Constraint>)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-syntax-0.0.4/src/compiler.rs:580:59
[INFO] [stdout]     |
[INFO] [stdout] 580 |           let mut now_satisfied = unsatisfied_constraints.drain_filter(|unsatisfied_constraint| {
[INFO] [stdout]     |                                   ------------------------^^^^^^^^^^^^ method not found in `Vec<(String, HashSet<u64>, HashSet<u64>, Vec<Constraint>)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<(std::string::String, hashbrown::HashSet<u64>, hashbrown::HashSet<u64>, Vec<Constraint>)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-syntax-0.0.4/src/compiler.rs:594:57
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let mut now_satisfied = unsatisfied_constraints.drain_filter(|unsatisfied_constraint| {
[INFO] [stdout]     |                                 ------------------------^^^^^^^^^^^^ method not found in `Vec<(String, HashSet<u64>, HashSet<u64>, Vec<Constraint>)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mech-syntax` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "da14b64c3c891b71739816a34d614c3fdece9909b5ccb3749f555762844e2149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da14b64c3c891b71739816a34d614c3fdece9909b5ccb3749f555762844e2149", kill_on_drop: false }`
[INFO] [stdout] da14b64c3c891b71739816a34d614c3fdece9909b5ccb3749f555762844e2149
[INFO] checking mech-server-0.0.4 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate mech-server 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mech-server 0.0.4 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-server 0.0.4
[INFO] finished tweaking crates.io crate mech-server 0.0.4
[INFO] tweaked toml for crates.io crate mech-server 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 238 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.23.0)
[INFO] [stderr]       Adding ahash v0.3.8 (latest: v0.8.11)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding base64 v0.9.3 (latest: v0.22.1)
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.1)
[INFO] [stderr]       Adding bincode v0.8.0 (latest: v1.3.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding cookie v0.12.0 (latest: v0.18.1)
[INFO] [stderr]       Adding cookie_store v0.7.0 (latest: v0.21.0)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (latest: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.20)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.30.0)
[INFO] [stderr]       Adding h2 v0.1.26 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.7.2 (latest: v0.14.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.1.0 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.10.16 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper v0.12.36 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-tls v0.3.2 (latest: v0.6.0)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding idna v0.2.3 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding language-tags v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding libloading v0.5.2 (latest: v0.8.3)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.12)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding mech-core v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding mech-program v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding mech-syntax v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding mech-utilities v0.0.4 (latest: v0.1.0)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding mime v0.2.6 (latest: v0.3.17)
[INFO] [stderr]       Adding mime_guess v1.8.8 (latest: v2.0.4)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding nom v5.1.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.36.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding parking_lot v0.9.0 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.6.3 (latest: v0.9.10)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding phf v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_codegen v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding publicsuffix v1.5.6 (latest: v2.2.3)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding reqwest v0.9.24 (latest: v0.12.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding same-file v0.1.3 (latest: v1.0.6)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding serde_urlencoded v0.5.5 (latest: v0.7.1)
[INFO] [stderr]       Adding sha-1 v0.8.2 (latest: v0.10.1)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding string v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding term-painter v0.2.4 (latest: v0.4.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding tokio v0.1.22 (latest: v1.37.0)
[INFO] [stderr]       Adding unicase v1.4.2 (latest: v2.7.0)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding uuid v0.7.4 (latest: v1.8.0)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] [stderr]       Adding walkdir v1.0.7 (latest: v2.5.0)
[INFO] [stderr]       Adding want v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding winreg v0.6.2 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c9b1b61289d3473eeaa60a95d11f30aaaedee36e9cd984d3e0fbcbc57c3ab77
[INFO] running `Command { std: "docker" "start" "-a" "6c9b1b61289d3473eeaa60a95d11f30aaaedee36e9cd984d3e0fbcbc57c3ab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9b1b61289d3473eeaa60a95d11f30aaaedee36e9cd984d3e0fbcbc57c3ab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9b1b61289d3473eeaa60a95d11f30aaaedee36e9cd984d3e0fbcbc57c3ab77", kill_on_drop: false }`
[INFO] [stdout] 6c9b1b61289d3473eeaa60a95d11f30aaaedee36e9cd984d3e0fbcbc57c3ab77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514d8e5b41d281107c82bd8f98e9727e96d4faacc3bf41d7403c32452953c1f1
[INFO] running `Command { std: "docker" "start" "-a" "514d8e5b41d281107c82bd8f98e9727e96d4faacc3bf41d7403c32452953c1f1", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "514d8e5b41d281107c82bd8f98e9727e96d4faacc3bf41d7403c32452953c1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514d8e5b41d281107c82bd8f98e9727e96d4faacc3bf41d7403c32452953c1f1", kill_on_drop: false }`
[INFO] [stdout] 514d8e5b41d281107c82bd8f98e9727e96d4faacc3bf41d7403c32452953c1f1