[INFO] updating cached repository https://github.com/shadowmint/rust-base-task
[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] 6a776ec0900c60834d72f6bf72caeb5fe8b11d25
[INFO] checking shadowmint/rust-base-task against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task" "/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/shadowmint/rust-base-task on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shadowmint/rust-base-task
[INFO] finished tweaking git repo https://github.com/shadowmint/rust-base-task
[INFO] tweaked toml for git repo https://github.com/shadowmint/rust-base-task written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/shadowmint/rust-base-task already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2574959c7af7c7f9d3d3051481107923f01ccab164988b026428cf3e8f2ca96f
[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" "2574959c7af7c7f9d3d3051481107923f01ccab164988b026428cf3e8f2ca96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2574959c7af7c7f9d3d3051481107923f01ccab164988b026428cf3e8f2ca96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2574959c7af7c7f9d3d3051481107923f01ccab164988b026428cf3e8f2ca96f", kill_on_drop: false }`
[INFO] [stdout] 2574959c7af7c7f9d3d3051481107923f01ccab164988b026428cf3e8f2ca96f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47a8fcc17cb5264d206d38f3f7d3b5a83af4dbd18a1472dc9fd81ca30865829
[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" "a47a8fcc17cb5264d206d38f3f7d3b5a83af4dbd18a1472dc9fd81ca30865829", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-executor v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking base-task v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     action: Box<TaskFunc>,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/task_error.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{:?}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     action: Box<TaskFunc>,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/task_error.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{:?}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.43s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a47a8fcc17cb5264d206d38f3f7d3b5a83af4dbd18a1472dc9fd81ca30865829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47a8fcc17cb5264d206d38f3f7d3b5a83af4dbd18a1472dc9fd81ca30865829", kill_on_drop: false }`
[INFO] [stdout] a47a8fcc17cb5264d206d38f3f7d3b5a83af4dbd18a1472dc9fd81ca30865829