[INFO] cloning repository https://github.com/shenshing/blocktest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shenshing/blocktest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fca8b6289c7ddddcf64415545790bb1347f08ba
[INFO] checking shenshing/blocktest against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shenshing/blocktest on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/shenshing/blocktest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c35f7d1e16d9809f49bba086b56f7194692f37543a05c67161418925413fdf6
[INFO] running `Command { std: "docker" "start" "-a" "0c35f7d1e16d9809f49bba086b56f7194692f37543a05c67161418925413fdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c35f7d1e16d9809f49bba086b56f7194692f37543a05c67161418925413fdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c35f7d1e16d9809f49bba086b56f7194692f37543a05c67161418925413fdf6", kill_on_drop: false }`
[INFO] [stdout] 0c35f7d1e16d9809f49bba086b56f7194692f37543a05c67161418925413fdf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54a986e575c18d739600368ce57c0d69afcf2822b8f30eeacf2a3eb2bab4171
[INFO] running `Command { std: "docker" "start" "-a" "b54a986e575c18d739600368ce57c0d69afcf2822b8f30eeacf2a3eb2bab4171", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.41
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]     Checking test2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DateTime`, `Utc`
[INFO] [stdout]    --> src/main.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 | use chrono::{DateTime,Utc};
[INFO] [stdout]     |              ^^^^^^^^ ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]    --> src/main.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 | use std::time::{SystemTime,UNIX_EPOCH};
[INFO] [stdout]     |                 ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::current_time`
[INFO] [stdout]    --> src/main.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | use block::current_time;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime`, `Utc`
[INFO] [stdout]    --> src/main.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 | use chrono::{DateTime,Utc};
[INFO] [stdout]     |              ^^^^^^^^ ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]    --> src/main.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 | use std::time::{SystemTime,UNIX_EPOCH};
[INFO] [stdout]     |                 ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::current_time`
[INFO] [stdout]    --> src/main.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | use block::current_time;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> src/block.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut time = String::new();
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `st` is never read
[INFO] [stdout]    --> src/block.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut st = String::new();
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s2` is never read
[INFO] [stdout]   --> src/block.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut s2 = String::new();
[INFO] [stdout]    |                     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_hash` is never read
[INFO] [stdout]   --> src/block.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut block1 = Block::genesis_block();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut s1 = s2 + &time;
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vector_loop`
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn vector_loop(vector: &[String]){
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]    --> src/block.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn main(){
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> src/block.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut time = String::new();
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `st` is never read
[INFO] [stdout]    --> src/block.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut st = String::new();
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s2` is never read
[INFO] [stdout]   --> src/block.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut s2 = String::new();
[INFO] [stdout]    |                     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_hash` is never read
[INFO] [stdout]   --> src/block.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut block1 = Block::genesis_block();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut s1 = s2 + &time;
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vector_loop`
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn vector_loop(vector: &[String]){
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]    --> src/block.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn main(){
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.19s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b54a986e575c18d739600368ce57c0d69afcf2822b8f30eeacf2a3eb2bab4171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54a986e575c18d739600368ce57c0d69afcf2822b8f30eeacf2a3eb2bab4171", kill_on_drop: false }`
[INFO] [stdout] b54a986e575c18d739600368ce57c0d69afcf2822b8f30eeacf2a3eb2bab4171