[INFO] cloning repository https://github.com/zni/slippy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zni/slippy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Fslippy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Fslippy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b542d3057a89c105a8e9affb2b5602b4d2263d2
[INFO] testing zni/slippy against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Fslippy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zni/slippy on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d8329e8d2a0dacce58b5d1d092e67d9fab82e082d98dc33c332ec8c3febf342
[INFO] running `Command { std: "docker" "start" "-a" "1d8329e8d2a0dacce58b5d1d092e67d9fab82e082d98dc33c332ec8c3febf342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8329e8d2a0dacce58b5d1d092e67d9fab82e082d98dc33c332ec8c3febf342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8329e8d2a0dacce58b5d1d092e67d9fab82e082d98dc33c332ec8c3febf342", kill_on_drop: false }`
[INFO] [stdout] 1d8329e8d2a0dacce58b5d1d092e67d9fab82e082d98dc33c332ec8c3febf342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e51e1fdb27cb59f1377b7653194811cc71ad2002d1179d9689e3648b2ddbe5
[INFO] running `Command { std: "docker" "start" "-a" "09e51e1fdb27cb59f1377b7653194811cc71ad2002d1179d9689e3648b2ddbe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[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 9.30s
[INFO] running `Command { std: "docker" "inspect" "09e51e1fdb27cb59f1377b7653194811cc71ad2002d1179d9689e3648b2ddbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e51e1fdb27cb59f1377b7653194811cc71ad2002d1179d9689e3648b2ddbe5", kill_on_drop: false }`
[INFO] [stdout] 09e51e1fdb27cb59f1377b7653194811cc71ad2002d1179d9689e3648b2ddbe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b25ef3021a633a5cb981f04cc534657e0f51359c2d2bd72052f363953d0bcb
[INFO] running `Command { std: "docker" "start" "-a" "72b25ef3021a633a5cb981f04cc534657e0f51359c2d2bd72052f363953d0bcb", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72b25ef3021a633a5cb981f04cc534657e0f51359c2d2bd72052f363953d0bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b25ef3021a633a5cb981f04cc534657e0f51359c2d2bd72052f363953d0bcb", kill_on_drop: false }`
[INFO] [stdout] 72b25ef3021a633a5cb981f04cc534657e0f51359c2d2bd72052f363953d0bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57ef6bc7be4ae61e317cd55281d1be4913d9dd5d487f4e559a8c0b53a15ac15c
[INFO] running `Command { std: "docker" "start" "-a" "57ef6bc7be4ae61e317cd55281d1be4913d9dd5d487f4e559a8c0b53a15ac15c", 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 unittests (/opt/rustwide/target/debug/deps/slippy-a81177f8d65f5ec2)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slippy-88d5341b75e992c9)
[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] [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] [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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57ef6bc7be4ae61e317cd55281d1be4913d9dd5d487f4e559a8c0b53a15ac15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ef6bc7be4ae61e317cd55281d1be4913d9dd5d487f4e559a8c0b53a15ac15c", kill_on_drop: false }`
[INFO] [stdout] 57ef6bc7be4ae61e317cd55281d1be4913d9dd5d487f4e559a8c0b53a15ac15c