[INFO] crate flowr 0.8.8 is already in cache
[INFO] checking flowr-0.8.8 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate flowr 0.8.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flowr 0.8.8 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flowr 0.8.8
[INFO] finished tweaking crates.io crate flowr 0.8.8
[INFO] tweaked toml for crates.io crate flowr 0.8.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate flowr 0.8.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16cfd9f5fee2c9b9e5af175dc17b06ccb12f91d568cc759ea4561716570421d8
[INFO] running `"docker" "start" "-a" "16cfd9f5fee2c9b9e5af175dc17b06ccb12f91d568cc759ea4561716570421d8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling flow_impl_derive v0.8.5
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking flowstdlib v0.8.9
[INFO] [stderr]     Checking flowruntime v0.8.8
[INFO] [stderr]     Checking provider v0.8.8
[INFO] [stderr]     Checking flowr v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / error_chain! {
[INFO] [stderr] 40 | |     foreign_links {
[INFO] [stderr] 41 | |         Provider(provider::errors::Error);
[INFO] [stderr] 42 | |         Io(std::io::Error);
[INFO] [stderr] 43 | |     }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / error_chain! {
[INFO] [stderr] 40 | |     foreign_links {
[INFO] [stderr] 41 | |         Provider(provider::errors::Error);
[INFO] [stderr] 42 | |         Io(std::io::Error);
[INFO] [stderr] 43 | |     }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / error_chain! {
[INFO] [stderr] 40 | |     foreign_links {
[INFO] [stderr] 41 | |         Provider(provider::errors::Error);
[INFO] [stderr] 42 | |         Io(std::io::Error);
[INFO] [stderr] 43 | |     }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / error_chain! {
[INFO] [stderr] 40 | |     foreign_links {
[INFO] [stderr] 41 | |         Provider(provider::errors::Error);
[INFO] [stderr] 42 | |         Io(std::io::Error);
[INFO] [stderr] 43 | |     }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "16cfd9f5fee2c9b9e5af175dc17b06ccb12f91d568cc759ea4561716570421d8"`
[INFO] running `"docker" "rm" "-f" "16cfd9f5fee2c9b9e5af175dc17b06ccb12f91d568cc759ea4561716570421d8"`
[INFO] [stdout] 16cfd9f5fee2c9b9e5af175dc17b06ccb12f91d568cc759ea4561716570421d8