[INFO] fetching crate demo2 0.1.0...
[INFO] testing demo2-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate demo2 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate demo2 0.1.0
[INFO] finished tweaking crates.io crate demo2 0.1.0
[INFO] tweaked toml for crates.io crate demo2 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate demo2 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate demo2 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858d2120a6aa6ad40960778700e586c4d1c2ac4526b348c0ea8f2f5e6a1595db
[INFO] running `Command { std: "docker" "start" "-a" "858d2120a6aa6ad40960778700e586c4d1c2ac4526b348c0ea8f2f5e6a1595db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858d2120a6aa6ad40960778700e586c4d1c2ac4526b348c0ea8f2f5e6a1595db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858d2120a6aa6ad40960778700e586c4d1c2ac4526b348c0ea8f2f5e6a1595db", kill_on_drop: false }`
[INFO] [stdout] 858d2120a6aa6ad40960778700e586c4d1c2ac4526b348c0ea8f2f5e6a1595db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1f4923934fa9a1f327ba606cecabde07074865f30337c18525a7774cb312dd8
[INFO] running `Command { std: "docker" "start" "-a" "b1f4923934fa9a1f327ba606cecabde07074865f30337c18525a7774cb312dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling demo2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DiceRoll` is never constructed
[INFO] [stdout]  --> src/model.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DiceRoll {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]  --> src/parse.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ParseError {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> src/parse.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn parse(s: &str) -> Result<DiceRoll, ParseError> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_roll` is never used
[INFO] [stdout]  --> src/roll.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run_roll(roll: DiceRoll) -> usize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "b1f4923934fa9a1f327ba606cecabde07074865f30337c18525a7774cb312dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f4923934fa9a1f327ba606cecabde07074865f30337c18525a7774cb312dd8", kill_on_drop: false }`
[INFO] [stdout] b1f4923934fa9a1f327ba606cecabde07074865f30337c18525a7774cb312dd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee736700ab384126341baa50d6c283ec64abb618eacfc21edad0c9325b8a3faf
[INFO] running `Command { std: "docker" "start" "-a" "ee736700ab384126341baa50d6c283ec64abb618eacfc21edad0c9325b8a3faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/roll.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..1000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ee736700ab384126341baa50d6c283ec64abb618eacfc21edad0c9325b8a3faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee736700ab384126341baa50d6c283ec64abb618eacfc21edad0c9325b8a3faf", kill_on_drop: false }`
[INFO] [stdout] ee736700ab384126341baa50d6c283ec64abb618eacfc21edad0c9325b8a3faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e357e156ac58d29e134ef6f09920150f7e4ee952dbc7b20850144903d38a176a
[INFO] running `Command { std: "docker" "start" "-a" "e357e156ac58d29e134ef6f09920150f7e4ee952dbc7b20850144903d38a176a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/roll.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         for i in 0..1000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `demo2` (bin "demo2" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/demo2-512bcf31940bc0d4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test roll::tests::test_run_roll ... ok
[INFO] [stdout] test parse::tests::test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e357e156ac58d29e134ef6f09920150f7e4ee952dbc7b20850144903d38a176a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e357e156ac58d29e134ef6f09920150f7e4ee952dbc7b20850144903d38a176a", kill_on_drop: false }`
[INFO] [stdout] e357e156ac58d29e134ef6f09920150f7e4ee952dbc7b20850144903d38a176a