[INFO] cloning repository https://github.com/KasraF/SnippeRs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KasraF/SnippeRs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FSnippeRs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FSnippeRs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b8652b3c240b8a118423bb6ff5959ea53f071f0
[INFO] testing KasraF/SnippeRs against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FSnippeRs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KasraF/SnippeRs on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KasraF/SnippeRs
[INFO] finished tweaking git repo https://github.com/KasraF/SnippeRs
[INFO] tweaked toml for git repo https://github.com/KasraF/SnippeRs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/KasraF/SnippeRs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa5462d5618e210bcc271462652bc22dcaf8988eecbacff11e39079746b6fcd
[INFO] running `Command { std: "docker" "start" "-a" "3fa5462d5618e210bcc271462652bc22dcaf8988eecbacff11e39079746b6fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa5462d5618e210bcc271462652bc22dcaf8988eecbacff11e39079746b6fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa5462d5618e210bcc271462652bc22dcaf8988eecbacff11e39079746b6fcd", kill_on_drop: false }`
[INFO] [stdout] 3fa5462d5618e210bcc271462652bc22dcaf8988eecbacff11e39079746b6fcd
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b46dc5e784bccaa8fb395ebdf9e5b2163dadd810d0365d4bfb1aa629f3c9294
[INFO] running `Command { std: "docker" "start" "-a" "8b46dc5e784bccaa8fb395ebdf9e5b2163dadd810d0365d4bfb1aa629f3c9294", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling snippers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NodeIdx`
[INFO] [stdout]  --> src/str_nodes/mod.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::{Enumerator, Map, Node, NodeIdx, Nodes, NodesIter};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/int_nodes/mod.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn to_string(&self, s: &Snippers) -> String {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut start = std::time::Instant::now();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "8b46dc5e784bccaa8fb395ebdf9e5b2163dadd810d0365d4bfb1aa629f3c9294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b46dc5e784bccaa8fb395ebdf9e5b2163dadd810d0365d4bfb1aa629f3c9294", kill_on_drop: false }`
[INFO] [stdout] 8b46dc5e784bccaa8fb395ebdf9e5b2163dadd810d0365d4bfb1aa629f3c9294
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c45393df3605e187e2cb6cca10e7794142e134fd55f8b30bceba3c40ec2076
[INFO] running `Command { std: "docker" "start" "-a" "06c45393df3605e187e2cb6cca10e7794142e134fd55f8b30bceba3c40ec2076", kill_on_drop: false }`
[INFO] [stderr]    Compiling snippers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NodeIdx`
[INFO] [stdout]  --> src/str_nodes/mod.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::{Enumerator, Map, Node, NodeIdx, Nodes, NodesIter};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/int_nodes/mod.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn to_string(&self, s: &Snippers) -> String {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut start = std::time::Instant::now();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "06c45393df3605e187e2cb6cca10e7794142e134fd55f8b30bceba3c40ec2076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c45393df3605e187e2cb6cca10e7794142e134fd55f8b30bceba3c40ec2076", kill_on_drop: false }`
[INFO] [stdout] 06c45393df3605e187e2cb6cca10e7794142e134fd55f8b30bceba3c40ec2076
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94e406a7c50467196e42a28b2304c0562c8f18004561827a99083c8f8cb672c2
[INFO] running `Command { std: "docker" "start" "-a" "94e406a7c50467196e42a28b2304c0562c8f18004561827a99083c8f8cb672c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `NodeIdx`
[INFO] [stderr]  --> src/str_nodes/mod.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils::{Enumerator, Map, Node, NodeIdx, Nodes, NodesIter};
[INFO] [stderr]   |                                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/int_nodes/mod.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn to_string(&self, s: &Snippers) -> String {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:63:6
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut start = std::time::Instant::now();
[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: `snippers` (bin "snippers" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snippers-ebfa1b08b41529f9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94e406a7c50467196e42a28b2304c0562c8f18004561827a99083c8f8cb672c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e406a7c50467196e42a28b2304c0562c8f18004561827a99083c8f8cb672c2", kill_on_drop: false }`
[INFO] [stdout] 94e406a7c50467196e42a28b2304c0562c8f18004561827a99083c8f8cb672c2