[INFO] cloning repository https://github.com/morin4ga/qcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morin4ga/qcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorin4ga%2Fqcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorin4ga%2Fqcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61451afd39ffcd17627d054b6d6562d3f282b912
[INFO] testing morin4ga/qcc against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorin4ga%2Fqcc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morin4ga/qcc on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morin4ga/qcc
[INFO] finished tweaking git repo https://github.com/morin4ga/qcc
[INFO] tweaked toml for git repo https://github.com/morin4ga/qcc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/morin4ga/qcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 428246514e9137c1751380580664c924c6832b7e8970a5eb7a668076a766b983
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "428246514e9137c1751380580664c924c6832b7e8970a5eb7a668076a766b983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "428246514e9137c1751380580664c924c6832b7e8970a5eb7a668076a766b983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428246514e9137c1751380580664c924c6832b7e8970a5eb7a668076a766b983", kill_on_drop: false }`
[INFO] [stdout] 428246514e9137c1751380580664c924c6832b7e8970a5eb7a668076a766b983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a3400f3e5b504cb7d4dc01a088d1cb245b8cdb1790eb6616495ab817576bc5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8a3400f3e5b504cb7d4dc01a088d1cb245b8cdb1790eb6616495ab817576bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling qcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/analyser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qtype`
[INFO] [stdout]    --> src/analyser.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let qtype = self.consume_type();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_consume_ident`
[INFO] [stdout]    --> src/analyser.rs:512:8
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_keyword`
[INFO] [stdout]    --> src/analyser.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "f8a3400f3e5b504cb7d4dc01a088d1cb245b8cdb1790eb6616495ab817576bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a3400f3e5b504cb7d4dc01a088d1cb245b8cdb1790eb6616495ab817576bc5", kill_on_drop: false }`
[INFO] [stdout] f8a3400f3e5b504cb7d4dc01a088d1cb245b8cdb1790eb6616495ab817576bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9042212d8a772301408af3b2701a049590c62bbb5fbe0c7850057a12551796a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9042212d8a772301408af3b2701a049590c62bbb5fbe0c7850057a12551796a0", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/analyser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `qtype`
[INFO] [stdout]    --> src/analyser.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let qtype = self.consume_type();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_consume_ident`
[INFO] [stdout]    --> src/analyser.rs:512:8
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_keyword`
[INFO] [stdout]    --> src/analyser.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/analyser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qtype`
[INFO] [stdout]    --> src/analyser.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let qtype = self.consume_type();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_consume_ident`
[INFO] [stdout]    --> src/analyser.rs:512:8
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_keyword`
[INFO] [stdout]    --> src/analyser.rs:532:8
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "9042212d8a772301408af3b2701a049590c62bbb5fbe0c7850057a12551796a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9042212d8a772301408af3b2701a049590c62bbb5fbe0c7850057a12551796a0", kill_on_drop: false }`
[INFO] [stdout] 9042212d8a772301408af3b2701a049590c62bbb5fbe0c7850057a12551796a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39a5a5a90eeb113c99b0aa1123d12bf03f416024b6a74eb37f1cda8ebbf1b3ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39a5a5a90eeb113c99b0aa1123d12bf03f416024b6a74eb37f1cda8ebbf1b3ee", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env::var`
[INFO] [stderr]  --> src/analyser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::var;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qtype`
[INFO] [stderr]    --> src/analyser.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let qtype = self.consume_type();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_consume_ident`
[INFO] [stderr]    --> src/analyser.rs:512:8
[INFO] [stderr]     |
[INFO] [stderr] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `consume_keyword`
[INFO] [stderr]    --> src/analyser.rs:532:8
[INFO] [stderr]     |
[INFO] [stderr] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::var`
[INFO] [stderr]  --> src/analyser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::var;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qtype`
[INFO] [stderr]    --> src/analyser.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let qtype = self.consume_type();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_qtype`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_consume_ident`
[INFO] [stderr]    --> src/analyser.rs:512:8
[INFO] [stderr]     |
[INFO] [stderr] 512 |     fn try_consume_ident(&mut self) -> Option<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `consume_keyword`
[INFO] [stderr]    --> src/analyser.rs:532:8
[INFO] [stderr]     |
[INFO] [stderr] 532 |     fn consume_keyword(&mut self, keyword: Keyword) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qcc-8d164ab24e85e32c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qcc-c596fa77a241ca9d
[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 qcc
[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] [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 `Command { std: "docker" "inspect" "39a5a5a90eeb113c99b0aa1123d12bf03f416024b6a74eb37f1cda8ebbf1b3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a5a5a90eeb113c99b0aa1123d12bf03f416024b6a74eb37f1cda8ebbf1b3ee", kill_on_drop: false }`
[INFO] [stdout] 39a5a5a90eeb113c99b0aa1123d12bf03f416024b6a74eb37f1cda8ebbf1b3ee