[INFO] fetching crate flowc 0.8.8...
[INFO] checking flowc-0.8.8 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate flowc 0.8.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate flowc 0.8.8 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowc 0.8.8
[INFO] finished tweaking crates.io crate flowc 0.8.8
[INFO] tweaked toml for crates.io crate flowc 0.8.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate flowc 0.8.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flowr v0.8.8
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 990cc8f8d2572b28bff674f3299fb6470a1628adccf473ca0b1622da07803cd1
[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" "990cc8f8d2572b28bff674f3299fb6470a1628adccf473ca0b1622da07803cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990cc8f8d2572b28bff674f3299fb6470a1628adccf473ca0b1622da07803cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990cc8f8d2572b28bff674f3299fb6470a1628adccf473ca0b1622da07803cd1", kill_on_drop: false }`
[INFO] [stdout] 990cc8f8d2572b28bff674f3299fb6470a1628adccf473ca0b1622da07803cd1
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cdd5abd94fa31bfb1790edba892bed3098328aba7f98fa66b64d2f599607935
[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" "7cdd5abd94fa31bfb1790edba892bed3098328aba7f98fa66b64d2f599607935", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking flowclib v0.8.8
[INFO] [stderr]     Checking provider v0.8.8
[INFO] [stderr]     Checking flowc v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> tests/flowc_execution_tests.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / error_chain! {
[INFO] [stdout] 29 | |     foreign_links {
[INFO] [stdout] 30 | |         Provider(::provider::errors::Error);
[INFO] [stdout] 31 | |         Compiler(::flowclib::errors::Error);
[INFO] [stdout] 32 | |         Io(::std::io::Error);
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> tests/flowc_execution_tests.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / error_chain! {
[INFO] [stdout] 29 | |     foreign_links {
[INFO] [stdout] 30 | |         Provider(::provider::errors::Error);
[INFO] [stdout] 31 | |         Compiler(::flowclib::errors::Error);
[INFO] [stdout] 32 | |         Io(::std::io::Error);
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / error_chain! {
[INFO] [stdout] 40 | |     types {
[INFO] [stdout] 41 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 42 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     }
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / error_chain! {
[INFO] [stdout] 40 | |     types {
[INFO] [stdout] 41 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 42 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     }
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / error_chain! {
[INFO] [stdout] 40 | |     types {
[INFO] [stdout] 41 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 42 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     }
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / error_chain! {
[INFO] [stdout] 40 | |     types {
[INFO] [stdout] 41 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 42 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     }
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "7cdd5abd94fa31bfb1790edba892bed3098328aba7f98fa66b64d2f599607935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdd5abd94fa31bfb1790edba892bed3098328aba7f98fa66b64d2f599607935", kill_on_drop: false }`
[INFO] [stdout] 7cdd5abd94fa31bfb1790edba892bed3098328aba7f98fa66b64d2f599607935