[INFO] updating cached repository https://github.com/zni/slippy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b542d3057a89c105a8e9affb2b5602b4d2263d2
[INFO] testing zni/slippy against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Fslippy" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zni/slippy on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zni/slippy
[INFO] finished tweaking git repo https://github.com/zni/slippy
[INFO] tweaked toml for git repo https://github.com/zni/slippy written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/zni/slippy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 6dce347d72eea62542649e7b1d50261ed613bb1d83cda94acaeb4cb1f23eb7c2
[INFO] running `Command { std: "docker" "start" "-a" "6dce347d72eea62542649e7b1d50261ed613bb1d83cda94acaeb4cb1f23eb7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dce347d72eea62542649e7b1d50261ed613bb1d83cda94acaeb4cb1f23eb7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dce347d72eea62542649e7b1d50261ed613bb1d83cda94acaeb4cb1f23eb7c2", kill_on_drop: false }`
[INFO] [stdout] 6dce347d72eea62542649e7b1d50261ed613bb1d83cda94acaeb4cb1f23eb7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3faa7cf4e70f6a2b765801f55b8f0dfd7556b224268c16cc9568e36c285c14f
[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" "c3faa7cf4e70f6a2b765801f55b8f0dfd7556b224268c16cc9568e36c285c14f", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling rustyline v5.0.0
[INFO] [stderr]    Compiling slippy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/builtins.rs:488:31
[INFO] [stdout]     |
[INFO] [stdout] 488 | pub fn display(list: &[Expr], env: Rc<RefCell<Env>>) -> Result<Expr, &'static str> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "c3faa7cf4e70f6a2b765801f55b8f0dfd7556b224268c16cc9568e36c285c14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3faa7cf4e70f6a2b765801f55b8f0dfd7556b224268c16cc9568e36c285c14f", kill_on_drop: false }`
[INFO] [stdout] c3faa7cf4e70f6a2b765801f55b8f0dfd7556b224268c16cc9568e36c285c14f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6c009dc2420ba9a96331bec5eac3c2aaec5dc4f5790ba9f5acbef0513b49237
[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" "b6c009dc2420ba9a96331bec5eac3c2aaec5dc4f5790ba9f5acbef0513b49237", kill_on_drop: false }`
[INFO] [stderr]    Compiling slippy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/builtins.rs:488:31
[INFO] [stdout]     |
[INFO] [stdout] 488 | pub fn display(list: &[Expr], env: Rc<RefCell<Env>>) -> Result<Expr, &'static str> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/builtins.rs:488:31
[INFO] [stdout]     |
[INFO] [stdout] 488 | pub fn display(list: &[Expr], env: Rc<RefCell<Env>>) -> Result<Expr, &'static str> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "b6c009dc2420ba9a96331bec5eac3c2aaec5dc4f5790ba9f5acbef0513b49237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c009dc2420ba9a96331bec5eac3c2aaec5dc4f5790ba9f5acbef0513b49237", kill_on_drop: false }`
[INFO] [stdout] b6c009dc2420ba9a96331bec5eac3c2aaec5dc4f5790ba9f5acbef0513b49237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 5aa1d2e2cd965baf193a42d95e61f1675503d7c7c791ab2329c12df851739e25
[INFO] running `Command { std: "docker" "start" "-a" "5aa1d2e2cd965baf193a42d95e61f1675503d7c7c791ab2329c12df851739e25", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/builtins.rs:488:31
[INFO] [stderr]     |
[INFO] [stderr] 488 | pub fn display(list: &[Expr], env: Rc<RefCell<Env>>) -> Result<Expr, &'static str> {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/builtins.rs:488:31
[INFO] [stderr]     |
[INFO] [stderr] 488 | pub fn display(list: &[Expr], env: Rc<RefCell<Env>>) -> Result<Expr, &'static str> {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slippy-bc5385d9fa88c139
[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] [stderr]      Running /opt/rustwide/target/debug/deps/slippy-457e43c542c66a59
[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] [stderr]    Doc-tests slippy
[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" "5aa1d2e2cd965baf193a42d95e61f1675503d7c7c791ab2329c12df851739e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa1d2e2cd965baf193a42d95e61f1675503d7c7c791ab2329c12df851739e25", kill_on_drop: false }`
[INFO] [stdout] 5aa1d2e2cd965baf193a42d95e61f1675503d7c7c791ab2329c12df851739e25