[INFO] fetching crate casper-contract 0.7.6...
[INFO] checking casper-contract-0.7.6 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate casper-contract 0.7.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate casper-contract 0.7.6 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-contract 0.7.6
[INFO] finished tweaking crates.io crate casper-contract 0.7.6
[INFO] tweaked toml for crates.io crate casper-contract 0.7.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] b39d244fb86e98ddab53dffa0503ee9fbbc90a8fec7e97d90e103bda8c3fcef8
[INFO] running `Command { std: "docker" "start" "-a" "b39d244fb86e98ddab53dffa0503ee9fbbc90a8fec7e97d90e103bda8c3fcef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b39d244fb86e98ddab53dffa0503ee9fbbc90a8fec7e97d90e103bda8c3fcef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39d244fb86e98ddab53dffa0503ee9fbbc90a8fec7e97d90e103bda8c3fcef8", kill_on_drop: false }`
[INFO] [stdout] b39d244fb86e98ddab53dffa0503ee9fbbc90a8fec7e97d90e103bda8c3fcef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dcb18a190d0f93d15c1c10a70d40cefd591363209727cc1dea55395456d17a1
[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" "3dcb18a190d0f93d15c1c10a70d40cefd591363209727cc1dea55395456d17a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking wee_alloc v0.4.5
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling datasize_derive v0.2.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking elliptic-curve v0.5.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking datasize v0.2.9
[INFO] [stderr]     Checking ecdsa v0.7.2
[INFO] [stderr]     Checking k256 v0.4.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking casper-types v0.7.6
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/casper-types-0.7.6/src/cl_value/jsonrepr.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Some((json![hex::encode(bytes)], remainder))
[INFO] [stdout]    |                              ^^^^^^ not found in `hex`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::uint::de::utf8::encode;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/casper-types-0.7.6/src/crypto/asymmetric_key.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |         hex::encode(bytes)
[INFO] [stdout]    |              ^^^^^^ not found in `hex`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::uint::de::utf8::encode;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `decode` in crate `hex`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/casper-types-0.7.6/src/crypto/asymmetric_key.rs:82:34
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let bytes = hex::decode(key_bytes)?;
[INFO] [stdout]    |                                  ^^^^^^ not found in `hex`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use base16::decode;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::num::flt2dec::decode;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::uint::de::num::flt2dec::decode;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `decode` in crate `hex`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/casper-types-0.7.6/src/crypto/asymmetric_key.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let bytes = hex::decode(key_bytes)?;
[INFO] [stdout]    |                                  ^^^^^^ not found in `hex`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use base16::decode;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::num::flt2dec::decode;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::uint::de::num::flt2dec::decode;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casper-types`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3dcb18a190d0f93d15c1c10a70d40cefd591363209727cc1dea55395456d17a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcb18a190d0f93d15c1c10a70d40cefd591363209727cc1dea55395456d17a1", kill_on_drop: false }`
[INFO] [stdout] 3dcb18a190d0f93d15c1c10a70d40cefd591363209727cc1dea55395456d17a1