[INFO] cloning repository https://github.com/GabrielBueno/calcrr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielBueno/calcrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 411e3daf96559bba698c26e1b53be217c6c1324f
[INFO] testing GabrielBueno/calcrr against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabrielBueno/calcrr on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GabrielBueno/calcrr
[INFO] finished tweaking git repo https://github.com/GabrielBueno/calcrr
[INFO] tweaked toml for git repo https://github.com/GabrielBueno/calcrr written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielBueno/calcrr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d5b0a6b632eb4e9755862190b94a062d4f99e859674177df2c9f2b9bb9993b4
[INFO] running `Command { std: "docker" "start" "-a" "6d5b0a6b632eb4e9755862190b94a062d4f99e859674177df2c9f2b9bb9993b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5b0a6b632eb4e9755862190b94a062d4f99e859674177df2c9f2b9bb9993b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5b0a6b632eb4e9755862190b94a062d4f99e859674177df2c9f2b9bb9993b4", kill_on_drop: false }`
[INFO] [stdout] 6d5b0a6b632eb4e9755862190b94a062d4f99e859674177df2c9f2b9bb9993b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4548a47b9bf968f5e3680b758ccd71fddabc357e7509261d8ef220bb28c8e048
[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" "4548a47b9bf968f5e3680b758ccd71fddabc357e7509261d8ef220bb28c8e048", kill_on_drop: false }`
[INFO] [stderr]    Compiling calcrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/lexer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[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: `len`
[INFO] [stdout]   --> src/lexer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "4548a47b9bf968f5e3680b758ccd71fddabc357e7509261d8ef220bb28c8e048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4548a47b9bf968f5e3680b758ccd71fddabc357e7509261d8ef220bb28c8e048", kill_on_drop: false }`
[INFO] [stdout] 4548a47b9bf968f5e3680b758ccd71fddabc357e7509261d8ef220bb28c8e048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0a6d0d2652d513a61eb2f5c9710fccdd081f6163d54d94d447a99dc18f5bde
[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" "ab0a6d0d2652d513a61eb2f5c9710fccdd081f6163d54d94d447a99dc18f5bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling calcrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/lexer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[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: `len`
[INFO] [stdout]   --> src/lexer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ab0a6d0d2652d513a61eb2f5c9710fccdd081f6163d54d94d447a99dc18f5bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0a6d0d2652d513a61eb2f5c9710fccdd081f6163d54d94d447a99dc18f5bde", kill_on_drop: false }`
[INFO] [stdout] ab0a6d0d2652d513a61eb2f5c9710fccdd081f6163d54d94d447a99dc18f5bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e44bf856c1ccef4b9b5905fee5a7142b97565c69ce8135f765433cec67a585fd
[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" "e44bf856c1ccef4b9b5905fee5a7142b97565c69ce8135f765433cec67a585fd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `head`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lexer.rs:20:12
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/lexer.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calcrr-37548b8df3ca5410
[INFO] running `Command { std: "docker" "inspect" "e44bf856c1ccef4b9b5905fee5a7142b97565c69ce8135f765433cec67a585fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44bf856c1ccef4b9b5905fee5a7142b97565c69ce8135f765433cec67a585fd", kill_on_drop: false }`
[INFO] [stdout] e44bf856c1ccef4b9b5905fee5a7142b97565c69ce8135f765433cec67a585fd
