[INFO] cloning repository https://github.com/kaikun213/COMP6311E_BridgeChain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaikun213/COMP6311E_BridgeChain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikun213%2FCOMP6311E_BridgeChain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikun213%2FCOMP6311E_BridgeChain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 241588ec51e18fb0be5a56e9619d32557a3a3c60
[INFO] checking kaikun213/COMP6311E_BridgeChain against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikun213%2FCOMP6311E_BridgeChain" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaikun213/COMP6311E_BridgeChain on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaikun213/COMP6311E_BridgeChain
[INFO] finished tweaking git repo https://github.com/kaikun213/COMP6311E_BridgeChain
[INFO] tweaked toml for git repo https://github.com/kaikun213/COMP6311E_BridgeChain written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kaikun213/COMP6311E_BridgeChain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tomusdrw/rust-web3`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded pretty_assertions v0.2.1
[INFO] [stderr]   Downloaded error-chain v0.11.0-rc.2
[INFO] [stderr]   Downloaded mime v0.3.3
[INFO] [stderr]   Downloaded jsonrpc-core v7.1.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded docopt v0.8.1
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded heck v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.11
[INFO] [stderr]   Downloaded tokio-uds v0.1.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded futures v0.1.15
[INFO] [stderr]   Downloaded gcc v0.3.53
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded hyper v0.11.2
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded futures-cpupool v0.1.5
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.11
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded arrayvec v0.3.23
[INFO] [stderr]   Downloaded ethabi-contract v4.0.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded mio-uds v0.6.4
[INFO] [stderr]   Downloaded tiny-keccak v1.3.1
[INFO] [stderr]   Downloaded ethabi v4.0.0
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded mio v0.6.10
[INFO] [stderr]   Downloaded parking_lot v0.4.5
[INFO] [stderr]   Downloaded smallvec v0.4.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.12
[INFO] [stderr]   Downloaded stable_deref_trait v1.0.0
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded parking_lot_core v0.2.4
[INFO] [stderr]   Downloaded itoa v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.30
[INFO] [stderr]   Downloaded ethabi-derive v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 431454c5533f75613c339cd115f8fa7dc309dab9989f3cb91bd518e2c2330209
[INFO] running `Command { std: "docker" "start" "-a" "431454c5533f75613c339cd115f8fa7dc309dab9989f3cb91bd518e2c2330209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "431454c5533f75613c339cd115f8fa7dc309dab9989f3cb91bd518e2c2330209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431454c5533f75613c339cd115f8fa7dc309dab9989f3cb91bd518e2c2330209", kill_on_drop: false }`
[INFO] [stdout] 431454c5533f75613c339cd115f8fa7dc309dab9989f3cb91bd518e2c2330209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a03ff193e6d78f4168178d124cba44ea82de37646812fe1422e1a393206a8e
[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" "04a03ff193e6d78f4168178d124cba44ea82de37646812fe1422e1a393206a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]     Checking futures v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]    Compiling itoa v0.3.3
[INFO] [stderr]     Checking smallvec v0.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking ethabi-contract v4.0.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking pretty_assertions v0.2.1
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]    Compiling heck v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking parking_lot_core v0.2.4
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking mime v0.3.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking parking_lot v0.4.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.1.5
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking jsonrpc-core v7.1.0
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.11.0-rc.2
[INFO] [stderr]    Compiling ethabi v4.0.0
[INFO] [stderr]     Checking web3 v0.0.5 (https://github.com/tomusdrw/rust-web3?branch=bridge#0205d57b)
[INFO] [stderr]    Compiling ethabi-derive v4.0.0
[INFO] [stderr]     Checking bridge v0.1.0 (/opt/rustwide/workdir/bridge)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> bridge/src/error.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     types {
[INFO] [stdout] 10 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 11 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[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]   --> bridge/src/error.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     types {
[INFO] [stdout] 10 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 11 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[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]   --> bridge/src/error.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     types {
[INFO] [stdout] 10 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 11 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[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]   --> bridge/src/error.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     types {
[INFO] [stdout] 10 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 11 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> bridge/src/error.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     types {
[INFO] [stdout] 10 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 11 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> bridge/src/error.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     types {
[INFO] [stdout] 10 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 11 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[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: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> bridge/src/bridge/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         .into_iter()
[INFO] [stdout]     |                          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> bridge/src/bridge/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         .into_iter()
[INFO] [stdout]     |                          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Checking bridge-cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "04a03ff193e6d78f4168178d124cba44ea82de37646812fe1422e1a393206a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a03ff193e6d78f4168178d124cba44ea82de37646812fe1422e1a393206a8e", kill_on_drop: false }`
[INFO] [stdout] 04a03ff193e6d78f4168178d124cba44ea82de37646812fe1422e1a393206a8e