[INFO] fetching crate mohan 0.0.53...
[INFO] testing mohan-0.0.53 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate mohan 0.0.53 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mohan 0.0.53 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mohan 0.0.53
[INFO] finished tweaking crates.io crate mohan 0.0.53
[INFO] tweaked toml for crates.io crate mohan 0.0.53 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 338d4bc25ae638bbe95cc8f1ad0cbe2ba1ce6e67d928ba146b85166c2f592b9e
[INFO] running `"docker" "start" "-a" "338d4bc25ae638bbe95cc8f1ad0cbe2ba1ce6e67d928ba146b85166c2f592b9e"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling mohan v0.0.53 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/base58.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{error, fmt, str, slice, iter};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `"docker" "inspect" "338d4bc25ae638bbe95cc8f1ad0cbe2ba1ce6e67d928ba146b85166c2f592b9e"`
[INFO] running `"docker" "rm" "-f" "338d4bc25ae638bbe95cc8f1ad0cbe2ba1ce6e67d928ba146b85166c2f592b9e"`
[INFO] [stdout] 338d4bc25ae638bbe95cc8f1ad0cbe2ba1ce6e67d928ba146b85166c2f592b9e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bad6f08ccca01d055c2295517614f551eb4fefbaefefb4a2a397244e610de4f7
[INFO] running `"docker" "start" "-a" "bad6f08ccca01d055c2295517614f551eb4fefbaefefb4a2a397244e610de4f7"`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling zeroize_derive v0.10.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling mohan v0.0.53
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/base58.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{error, fmt, str, slice, iter};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling zeroize v0.10.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling bacteria v0.0.5
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling mohan v0.0.53 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/base58.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{error, fmt, str, slice, iter};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::decode as hex_decode`
[INFO] [stderr]    --> src/base58.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |     use hex::decode as hex_decode;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.23s
[INFO] running `"docker" "inspect" "bad6f08ccca01d055c2295517614f551eb4fefbaefefb4a2a397244e610de4f7"`
[INFO] running `"docker" "rm" "-f" "bad6f08ccca01d055c2295517614f551eb4fefbaefefb4a2a397244e610de4f7"`
[INFO] [stdout] bad6f08ccca01d055c2295517614f551eb4fefbaefefb4a2a397244e610de4f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 69dfa1bfe7dd0a75cd2d451d527b51bb52699ccdf5570f88ad09e9f7ebd5d626
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "69dfa1bfe7dd0a75cd2d451d527b51bb52699ccdf5570f88ad09e9f7ebd5d626"`
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/base58.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{error, fmt, str, slice, iter};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/base58.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{error, fmt, str, slice, iter};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::decode as hex_decode`
[INFO] [stderr]    --> src/base58.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |     use hex::decode as hex_decode;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mohan-cf6b97c2b89bf231
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test fast_merkle_root::test_to_merkle_fast_zero ... ok
[INFO] [stdout] test hash::sip::test_sip::test_hash_idempotent ... ok
[INFO] [stdout] test hash::sip::test_sip::test_hash_no_bytes_dropped_32 ... ok
[INFO] [stdout] test hash::sip::test_sip::test_hash_no_bytes_dropped_64 ... ok
[INFO] [stdout] test hash::sip::test_sip::test_hash_usize ... ok
[INFO] [stdout] test base58::tests::test_base58_encode ... ok
[INFO] [stdout] test hash::sip::test_sip::test_siphash_2_4 ... ok
[INFO] [stdout] test hash::sip::test_sip::test_hash_no_concat_alias ... ok
[INFO] [stdout] test base58::tests::test_base58_decode ... ok
[INFO] [stdout] test hex::test::test_to_hex ... ok
[INFO] [stdout] test hex::test::test_from_hex ... ok
[INFO] [stdout] test tai64::tests::before_epoch ... ok
[INFO] [stdout] test fast_merkle_root::test_to_merkle_fast_short ... ok
[INFO] [stdout] test hash::types::tests::test_serialize_h256_two ... ok
[INFO] [stdout] test hash::types::tests::test_serialize_h256_sixteen ... ok
[INFO] [stdout] test tai64::tests::known_answer ... ok
[INFO] [stdout] test fisher_yates::test_vector_shuffle ... ok
[INFO] [stdout] test hash::types::tests::test_serialize_h256_zero ... ok
[INFO] [stdout] test fisher_yates::test_in_place_fisher_yates ... ok
[INFO] [stdout] test varint::serialize_varint_test ... ok
[INFO] [stdout] test tai64::tests::to_from_system_time ... ok
[INFO] [stdout] test tai64::tests::duration_add_sub ... ok
[INFO] [stdout] test tai64::tests::tai64n_add_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mohan
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/fisher_yates.rs - fisher_yates::fisher_yates (line 23) ... ok
[INFO] [stdout] test src/lib.rs - sponge (line 36) ... ok
[INFO] [stdout] test src/tools.rs - tools::RistrettoBoth::from_bytes (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "69dfa1bfe7dd0a75cd2d451d527b51bb52699ccdf5570f88ad09e9f7ebd5d626"`
[INFO] running `"docker" "rm" "-f" "69dfa1bfe7dd0a75cd2d451d527b51bb52699ccdf5570f88ad09e9f7ebd5d626"`
[INFO] [stdout] 69dfa1bfe7dd0a75cd2d451d527b51bb52699ccdf5570f88ad09e9f7ebd5d626