[INFO] cloning repository https://github.com/DevHeap/karma_slap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevHeap/karma_slap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevHeap%2Fkarma_slap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevHeap%2Fkarma_slap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd661618b3552ad059ba1007ab4d01b3fdc6f1f2
[INFO] checking DevHeap/karma_slap against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevHeap%2Fkarma_slap" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevHeap/karma_slap on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevHeap/karma_slap
[INFO] finished tweaking git repo https://github.com/DevHeap/karma_slap
[INFO] tweaked toml for git repo https://github.com/DevHeap/karma_slap written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DevHeap/karma_slap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa4488f11b23c2ebd6bcd16fd3ca26dc016158a4d2abb62be372af2991375a24
[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" "fa4488f11b23c2ebd6bcd16fd3ca26dc016158a4d2abb62be372af2991375a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4488f11b23c2ebd6bcd16fd3ca26dc016158a4d2abb62be372af2991375a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4488f11b23c2ebd6bcd16fd3ca26dc016158a4d2abb62be372af2991375a24", kill_on_drop: false }`
[INFO] [stdout] fa4488f11b23c2ebd6bcd16fd3ca26dc016158a4d2abb62be372af2991375a24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c62089ee13e46bebb95adf124be725ad7850ec7d243a5f6db225c0f6ec6fb6
[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" "68c62089ee13e46bebb95adf124be725ad7850ec7d243a5f6db225c0f6ec6fb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking app_dirs v1.1.1
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking karma_slap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |         Json(::json::Error);
[INFO] [stdout] 5 | |         AppDirs(::app_dirs::AppDirsError);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.07s
[INFO] running `Command { std: "docker" "inspect" "68c62089ee13e46bebb95adf124be725ad7850ec7d243a5f6db225c0f6ec6fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c62089ee13e46bebb95adf124be725ad7850ec7d243a5f6db225c0f6ec6fb6", kill_on_drop: false }`
[INFO] [stdout] 68c62089ee13e46bebb95adf124be725ad7850ec7d243a5f6db225c0f6ec6fb6