[INFO] fetching crate ascesis 0.0.6...
[INFO] checking ascesis-0.0.6 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate ascesis 0.0.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ascesis 0.0.6 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ascesis 0.0.6
[INFO] finished tweaking crates.io crate ascesis 0.0.6
[INFO] tweaked toml for crates.io crate ascesis 0.0.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ascesis 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5dd26545a471e63fbadb73e6cabc8b49f3189bc45169050e0d7c702f618497
[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" "2b5dd26545a471e63fbadb73e6cabc8b49f3189bc45169050e0d7c702f618497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5dd26545a471e63fbadb73e6cabc8b49f3189bc45169050e0d7c702f618497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5dd26545a471e63fbadb73e6cabc8b49f3189bc45169050e0d7c702f618497", kill_on_drop: false }`
[INFO] [stdout] 2b5dd26545a471e63fbadb73e6cabc8b49f3189bc45169050e0d7c702f618497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8845605dd065d0c514eb90bad0a57caed154717d9410501284683217e820a1b4
[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" "8845605dd065d0c514eb90bad0a57caed154717d9410501284683217e820a1b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]     Checking varisat-formula v0.2.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]     Checking siphasher v0.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking vec_mut_scan v0.1.0
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking enquote v1.0.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking lalrpop-util v0.18.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.1
[INFO] [stderr]     Checking partial_ref v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling logos-derive v0.11.0-rc5
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking varisat-dimacs v0.2.1
[INFO] [stderr]     Checking varisat-internal-proof v0.2.1
[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]     Checking varisat-checker v0.2.1
[INFO] [stderr]     Checking logos v0.11.0-rc5
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]     Checking aces v0.0.13
[INFO] [stderr]    Compiling ascesis v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_strip` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 46s
[INFO] running `Command { std: "docker" "inspect" "8845605dd065d0c514eb90bad0a57caed154717d9410501284683217e820a1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8845605dd065d0c514eb90bad0a57caed154717d9410501284683217e820a1b4", kill_on_drop: false }`
[INFO] [stdout] 8845605dd065d0c514eb90bad0a57caed154717d9410501284683217e820a1b4