[INFO] cloning repository https://github.com/pkrawat1/blockchain-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pkrawat1/blockchain-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkrawat1%2Fblockchain-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkrawat1%2Fblockchain-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50b50b67dfb79e4715c62718273642ae30cad635
[INFO] checking pkrawat1/blockchain-in-rust against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkrawat1%2Fblockchain-in-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pkrawat1/blockchain-in-rust on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pkrawat1/blockchain-in-rust
[INFO] finished tweaking git repo https://github.com/pkrawat1/blockchain-in-rust
[INFO] tweaked toml for git repo https://github.com/pkrawat1/blockchain-in-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pkrawat1/blockchain-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f976910f49820901b1f7dc2b11de93019a93d3ac0bd312730371f63dc5e1589
[INFO] running `Command { std: "docker" "start" "-a" "8f976910f49820901b1f7dc2b11de93019a93d3ac0bd312730371f63dc5e1589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f976910f49820901b1f7dc2b11de93019a93d3ac0bd312730371f63dc5e1589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f976910f49820901b1f7dc2b11de93019a93d3ac0bd312730371f63dc5e1589", kill_on_drop: false }`
[INFO] [stdout] 8f976910f49820901b1f7dc2b11de93019a93d3ac0bd312730371f63dc5e1589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f74715147b32811502641bbe74a3bfc1d7f73d50f0a299adf4deceddfa651d62
[INFO] running `Command { std: "docker" "start" "-a" "f74715147b32811502641bbe74a3bfc1d7f73d50f0a299adf4deceddfa651d62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking example_block_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "f74715147b32811502641bbe74a3bfc1d7f73d50f0a299adf4deceddfa651d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74715147b32811502641bbe74a3bfc1d7f73d50f0a299adf4deceddfa651d62", kill_on_drop: false }`
[INFO] [stdout] f74715147b32811502641bbe74a3bfc1d7f73d50f0a299adf4deceddfa651d62
[INFO] checking pkrawat1/blockchain-in-rust against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkrawat1%2Fblockchain-in-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pkrawat1/blockchain-in-rust on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pkrawat1/blockchain-in-rust
[INFO] finished tweaking git repo https://github.com/pkrawat1/blockchain-in-rust
[INFO] tweaked toml for git repo https://github.com/pkrawat1/blockchain-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pkrawat1/blockchain-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef7bf88a1b757e56dbf17d409b83736c9f2bca160b57d14641be004b8cf115f3
[INFO] running `Command { std: "docker" "start" "-a" "ef7bf88a1b757e56dbf17d409b83736c9f2bca160b57d14641be004b8cf115f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7bf88a1b757e56dbf17d409b83736c9f2bca160b57d14641be004b8cf115f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7bf88a1b757e56dbf17d409b83736c9f2bca160b57d14641be004b8cf115f3", kill_on_drop: false }`
[INFO] [stdout] ef7bf88a1b757e56dbf17d409b83736c9f2bca160b57d14641be004b8cf115f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1583e366088b4ffe9400ef094d8d1edfd1864be25626170df8a85cefdc30cf
[INFO] running `Command { std: "docker" "start" "-a" "5f1583e366088b4ffe9400ef094d8d1edfd1864be25626170df8a85cefdc30cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking typenum v1.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 825 | impl_integer_for_isize!(i8, test_integer_i8);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 826 | impl_integer_for_isize!(i16, test_integer_i16);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 827 | impl_integer_for_isize!(i32, test_integer_i32);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 828 | impl_integer_for_isize!(i64, test_integer_i64);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 829 | impl_integer_for_isize!(isize, test_integer_isize);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 831 | impl_integer_for_isize!(i128, test_integer_i128);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-integer` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5f1583e366088b4ffe9400ef094d8d1edfd1864be25626170df8a85cefdc30cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1583e366088b4ffe9400ef094d8d1edfd1864be25626170df8a85cefdc30cf", kill_on_drop: false }`
[INFO] [stdout] 5f1583e366088b4ffe9400ef094d8d1edfd1864be25626170df8a85cefdc30cf