[INFO] updating cached repository https://github.com/shenshing/blocktest
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5fca8b6289c7ddddcf64415545790bb1347f08ba
[INFO] testing shenshing/blocktest against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shenshing/blocktest on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shenshing/blocktest
[INFO] finished tweaking git repo https://github.com/shenshing/blocktest
[INFO] tweaked toml for git repo https://github.com/shenshing/blocktest written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/shenshing/blocktest already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e9b19bda226a3c7064c4ca32f35451fdd6d9ef286a2556430ba509cfc829d30c
[INFO] running `"docker" "start" "-a" "e9b19bda226a3c7064c4ca32f35451fdd6d9ef286a2556430ba509cfc829d30c"`
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]    Compiling crypto-hash v0.3.3
[INFO] [stderr]    Compiling test2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `DateTime`, `Utc`
[INFO] [stderr]    --> src/main.rs:168:14
[INFO] [stderr]     |
[INFO] [stderr] 168 | use chrono::{DateTime,Utc};
[INFO] [stderr]     |              ^^^^^^^^ ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]    --> src/main.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 | use std::time::{SystemTime,UNIX_EPOCH};
[INFO] [stderr]     |                 ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `block::current_time`
[INFO] [stderr]    --> src/main.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 | use block::current_time;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `time` is never read
[INFO] [stderr]    --> src/block.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let mut time = String::new();
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `st` is never read
[INFO] [stderr]    --> src/block.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut st = String::new();
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s2` is never read
[INFO] [stderr]   --> src/block.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut s2 = String::new();
[INFO] [stderr]    |                     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_hash` is never read
[INFO] [stderr]   --> src/block.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let mut block1 = Block::genesis_block();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/block.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let mut s1 = s2 + &time;
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_loop`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn vector_loop(vector: &[String]){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/block.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn main(){
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `"docker" "inspect" "e9b19bda226a3c7064c4ca32f35451fdd6d9ef286a2556430ba509cfc829d30c"`
[INFO] running `"docker" "rm" "-f" "e9b19bda226a3c7064c4ca32f35451fdd6d9ef286a2556430ba509cfc829d30c"`
[INFO] [stdout] e9b19bda226a3c7064c4ca32f35451fdd6d9ef286a2556430ba509cfc829d30c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f2f059753340a8cf7f1b4f621183193e431d13c0b8e4a2a37077422fdde23f3d
[INFO] running `"docker" "start" "-a" "f2f059753340a8cf7f1b4f621183193e431d13c0b8e4a2a37077422fdde23f3d"`
[INFO] [stderr]    Compiling test2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `DateTime`, `Utc`
[INFO] [stderr]    --> src/main.rs:168:14
[INFO] [stderr]     |
[INFO] [stderr] 168 | use chrono::{DateTime,Utc};
[INFO] [stderr]     |              ^^^^^^^^ ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]    --> src/main.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 | use std::time::{SystemTime,UNIX_EPOCH};
[INFO] [stderr]     |                 ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `block::current_time`
[INFO] [stderr]    --> src/main.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 | use block::current_time;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `time` is never read
[INFO] [stderr]    --> src/block.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let mut time = String::new();
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `st` is never read
[INFO] [stderr]    --> src/block.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut st = String::new();
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s2` is never read
[INFO] [stderr]   --> src/block.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut s2 = String::new();
[INFO] [stderr]    |                     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_hash` is never read
[INFO] [stderr]   --> src/block.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let mut block1 = Block::genesis_block();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/block.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let mut s1 = s2 + &time;
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_loop`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn vector_loop(vector: &[String]){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/block.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn main(){
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "f2f059753340a8cf7f1b4f621183193e431d13c0b8e4a2a37077422fdde23f3d"`
[INFO] running `"docker" "rm" "-f" "f2f059753340a8cf7f1b4f621183193e431d13c0b8e4a2a37077422fdde23f3d"`
[INFO] [stdout] f2f059753340a8cf7f1b4f621183193e431d13c0b8e4a2a37077422fdde23f3d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2ed5bdcba285c36ef2d9c3c1a346dd2e905cac414bdafd018e8c7a5c9a2b39fa
[INFO] running `"docker" "start" "-a" "2ed5bdcba285c36ef2d9c3c1a346dd2e905cac414bdafd018e8c7a5c9a2b39fa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test2-2ec6ed946b8f1184
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test2-01cc044b700e5dd2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2ed5bdcba285c36ef2d9c3c1a346dd2e905cac414bdafd018e8c7a5c9a2b39fa"`
[INFO] running `"docker" "rm" "-f" "2ed5bdcba285c36ef2d9c3c1a346dd2e905cac414bdafd018e8c7a5c9a2b39fa"`
[INFO] [stdout] 2ed5bdcba285c36ef2d9c3c1a346dd2e905cac414bdafd018e8c7a5c9a2b39fa