[INFO] fetching crate serum_dex 0.4.0...
[INFO] checking serum_dex-0.4.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate serum_dex 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serum_dex 0.4.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serum_dex 0.4.0
[INFO] finished tweaking crates.io crate serum_dex 0.4.0
[INFO] tweaked toml for crates.io crate serum_dex 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37deb515a1397bc3b588eed67a092f8846ad5ab300c460bc822a7ecc6a593fe2
[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" "37deb515a1397bc3b588eed67a092f8846ad5ab300c460bc822a7ecc6a593fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37deb515a1397bc3b588eed67a092f8846ad5ab300c460bc822a7ecc6a593fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37deb515a1397bc3b588eed67a092f8846ad5ab300c460bc822a7ecc6a593fe2", kill_on_drop: false }`
[INFO] [stdout] 37deb515a1397bc3b588eed67a092f8846ad5ab300c460bc822a7ecc6a593fe2
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e5d28b0364aaaa3caeb53de371922007657e0232402ff2c3b669b958c203938
[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" "1e5d28b0364aaaa3caeb53de371922007657e0232402ff2c3b669b958c203938", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   arrayvec v0.5.2: default, std
[INFO] [stderr]   digest v0.9.0 (as host dependency): alloc, std
[INFO] [stderr]   generic-array v0.14.4 (as host dependency): more_lengths, serde
[INFO] [stderr]   libsecp256k1-core v0.2.2: default
[INFO] [stderr]   regex-syntax v0.6.25: default, unicode, unicode-age, unicode-bool, unicode-case, unicode-gencat, unicode-perl, unicode-script, unicode-segment
[INFO] [stderr]   serde v1.0.128 (as host dependency): derive, serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking alloc-traits v0.1.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking without-alloc v0.2.1
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking hexdump v0.1.1
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.7.10
[INFO] [stderr]    Compiling solana-frozen-abi v1.7.10
[INFO] [stderr]    Compiling solana-program v1.7.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking solana-logger v1.7.10
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.1
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling solana-sdk-macro v1.7.10
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking libsecp256k1-core v0.2.2
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling borsh-derive v0.9.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]     Checking borsh v0.9.1
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking spl-token v3.2.0
[INFO] [stderr]     Checking serum_dex v0.4.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stderr]        Fixed src/state.rs (3 fixes)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]     Checking libsecp256k1-core v0.2.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling borsh-derive v0.9.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking borsh v0.9.1
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking solana-program v1.7.10
[INFO] [stderr]     Checking spl-token v3.2.0
[INFO] [stderr]     Checking serum_dex v0.4.0 (/tmp/fixit)
[INFO] [stdout] error[E0425]: cannot find value `unchecked_rent` in this scope
[INFO] [stdout]     --> src/state.rs:1579:53
[INFO] [stdout]      |
[INFO] [stdout] 1579 |                 let rent = Rent::from_account_info(&unchecked_rent[0])?;
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `_unchecked_rent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rent_sysvar_acc` in this scope
[INFO] [stdout]     --> src/state.rs:1804:48
[INFO] [stdout]      |
[INFO] [stdout] 1804 |             let rent = Rent::from_account_info(rent_sysvar_acc)?;
[INFO] [stdout]      |                                                ^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `_rent_sysvar_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rent_acc` in this scope
[INFO] [stdout]     --> src/state.rs:2246:48
[INFO] [stdout]      |
[INFO] [stdout] 2246 |             let rent = Rent::from_account_info(rent_acc)?;
[INFO] [stdout]      |                                                ^^^^^^^^ help: a local variable with a similar name exists: `_rent_acc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `serum_dex` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "1e5d28b0364aaaa3caeb53de371922007657e0232402ff2c3b669b958c203938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5d28b0364aaaa3caeb53de371922007657e0232402ff2c3b669b958c203938", kill_on_drop: false }`
[INFO] [stdout] 1e5d28b0364aaaa3caeb53de371922007657e0232402ff2c3b669b958c203938