[INFO] cloning repository https://github.com/medcat/slip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/medcat/slip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fslip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fslip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc9e0f432bb8e5d9ab43c4c9f3c23c28cfce178c
[INFO] checking medcat/slip against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fslip" "/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/medcat/slip on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/medcat/slip
[INFO] finished tweaking git repo https://github.com/medcat/slip
[INFO] tweaked toml for git repo https://github.com/medcat/slip written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/medcat/slip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ae657a20abc43b14ac27253009ae5ad480a114fec8dab35723011c61965d64
[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" "c9ae657a20abc43b14ac27253009ae5ad480a114fec8dab35723011c61965d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ae657a20abc43b14ac27253009ae5ad480a114fec8dab35723011c61965d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ae657a20abc43b14ac27253009ae5ad480a114fec8dab35723011c61965d64", kill_on_drop: false }`
[INFO] [stdout] c9ae657a20abc43b14ac27253009ae5ad480a114fec8dab35723011c61965d64
[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=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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd7a51d15e4938e75e19d3fed3ba1c4d33d4e1d6166fd41018289635df24724
[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" "0bd7a51d15e4938e75e19d3fed3ba1c4d33d4e1d6166fd41018289635df24724", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking slip-typal v0.1.0 (/opt/rustwide/workdir/slip-typal)
[INFO] [stderr]     Checking slip v0.1.0 (/opt/rustwide/workdir/slip-compile)
[INFO] [stdout] warning: unused variable: `reduce`
[INFO] [stdout]   --> slip-compile/src/reduce/process/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     reduce: &mut Reduce<'s>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduce`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `annotation`
[INFO] [stdout]   --> slip-compile/src/reduce/process/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     annotation: Arc<Annotation<'s>>,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_annotation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reduce`
[INFO] [stdout]   --> slip-compile/src/reduce/process/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     reduce: &mut Reduce<'s>,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduce`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `annotation`
[INFO] [stdout]   --> slip-compile/src/reduce/process/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     annotation: Arc<Annotation<'s>>,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_annotation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.75s
[INFO] running `Command { std: "docker" "inspect" "0bd7a51d15e4938e75e19d3fed3ba1c4d33d4e1d6166fd41018289635df24724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd7a51d15e4938e75e19d3fed3ba1c4d33d4e1d6166fd41018289635df24724", kill_on_drop: false }`
[INFO] [stdout] 0bd7a51d15e4938e75e19d3fed3ba1c4d33d4e1d6166fd41018289635df24724