[INFO] cloning repository https://github.com/Kylin3216/apkv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kylin3216/apkv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKylin3216%2Fapkv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKylin3216%2Fapkv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2645182d4447a980a5313f949a41250d2988a089
[INFO] checking Kylin3216/apkv against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKylin3216%2Fapkv" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kylin3216/apkv on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kylin3216/apkv
[INFO] finished tweaking git repo https://github.com/Kylin3216/apkv
[INFO] tweaked toml for git repo https://github.com/Kylin3216/apkv written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kylin3216/apkv 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c88088876c145d690e438c8a16cea82817c7583f30cd53a558202dabf37437d
[INFO] running `Command { std: "docker" "start" "-a" "1c88088876c145d690e438c8a16cea82817c7583f30cd53a558202dabf37437d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c88088876c145d690e438c8a16cea82817c7583f30cd53a558202dabf37437d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c88088876c145d690e438c8a16cea82817c7583f30cd53a558202dabf37437d", kill_on_drop: false }`
[INFO] [stdout] 1c88088876c145d690e438c8a16cea82817c7583f30cd53a558202dabf37437d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f338c333b23247ab4b8739ee90eb4b0830abde9dd2197e5e4d3fc9270a8650
[INFO] running `Command { std: "docker" "start" "-a" "a3f338c333b23247ab4b8739ee90eb4b0830abde9dd2197e5e4d3fc9270a8650", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking apkv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/xml/namespace_stack.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout]    |                   ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout] 48 +         self.data[offset - 1 - (count as usize) * 2] = count + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:120:46
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   return self.data[(offset as usize + 1)];
[INFO] [stdout]     |                                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -                             return self.data[(offset as usize + 1)];
[INFO] [stdout] 120 +                             return self.data[offset as usize + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout]     |                                      ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout] 123 +                         if self.data[offset as usize + 1] == index {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/xml/namespace_stack.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout]    |                   ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout] 48 +         self.data[offset - 1 - (count as usize) * 2] = count + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:120:46
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   return self.data[(offset as usize + 1)];
[INFO] [stdout]     |                                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -                             return self.data[(offset as usize + 1)];
[INFO] [stdout] 120 +                             return self.data[offset as usize + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout]     |                                      ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout] 123 +                         if self.data[offset as usize + 1] == index {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "a3f338c333b23247ab4b8739ee90eb4b0830abde9dd2197e5e4d3fc9270a8650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f338c333b23247ab4b8739ee90eb4b0830abde9dd2197e5e4d3fc9270a8650", kill_on_drop: false }`
[INFO] [stdout] a3f338c333b23247ab4b8739ee90eb4b0830abde9dd2197e5e4d3fc9270a8650
[INFO] checking Kylin3216/apkv against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKylin3216%2Fapkv" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kylin3216/apkv on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kylin3216/apkv
[INFO] finished tweaking git repo https://github.com/Kylin3216/apkv
[INFO] tweaked toml for git repo https://github.com/Kylin3216/apkv written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kylin3216/apkv 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da330483884b9890c90add75ac6cfaa703a104989b63493a5b71975d2a129ec2
[INFO] running `Command { std: "docker" "start" "-a" "da330483884b9890c90add75ac6cfaa703a104989b63493a5b71975d2a129ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da330483884b9890c90add75ac6cfaa703a104989b63493a5b71975d2a129ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da330483884b9890c90add75ac6cfaa703a104989b63493a5b71975d2a129ec2", kill_on_drop: false }`
[INFO] [stdout] da330483884b9890c90add75ac6cfaa703a104989b63493a5b71975d2a129ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd6347a3f7ea9d24121cced9f5069703505d3c148d3772f8330888508bbb3f1
[INFO] running `Command { std: "docker" "start" "-a" "bcd6347a3f7ea9d24121cced9f5069703505d3c148d3772f8330888508bbb3f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking apkv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/xml/namespace_stack.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout]    |                   ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout] 48 +         self.data[offset - 1 - (count as usize) * 2] = count + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:120:46
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   return self.data[(offset as usize + 1)];
[INFO] [stdout]     |                                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -                             return self.data[(offset as usize + 1)];
[INFO] [stdout] 120 +                             return self.data[offset as usize + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout]     |                                      ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout] 123 +                         if self.data[offset as usize + 1] == index {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/xml/namespace_stack.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout]    |                   ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         self.data[(offset - 1 - (count as usize) * 2)] = count + 1;
[INFO] [stdout] 48 +         self.data[offset - 1 - (count as usize) * 2] = count + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:120:46
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   return self.data[(offset as usize + 1)];
[INFO] [stdout]     |                                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -                             return self.data[(offset as usize + 1)];
[INFO] [stdout] 120 +                             return self.data[offset as usize + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/xml/namespace_stack.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout]     |                                      ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -                         if self.data[(offset as usize + 1)] == index {
[INFO] [stdout] 123 +                         if self.data[offset as usize + 1] == index {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "bcd6347a3f7ea9d24121cced9f5069703505d3c148d3772f8330888508bbb3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd6347a3f7ea9d24121cced9f5069703505d3c148d3772f8330888508bbb3f1", kill_on_drop: false }`
[INFO] [stdout] bcd6347a3f7ea9d24121cced9f5069703505d3c148d3772f8330888508bbb3f1