[INFO] cloning 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" "clone" "--bare" "https://github.com/shadowmint/rust-base-task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a776ec0900c60834d72f6bf72caeb5fe8b11d25
[INFO] testing shadowmint/rust-base-task against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shadowmint/rust-base-task on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d08b1458629ad4c09f1c2e26de2f8055b01d3751f40a7bf77ab5d3ca408f6759
[INFO] running `Command { std: "docker" "start" "-a" "d08b1458629ad4c09f1c2e26de2f8055b01d3751f40a7bf77ab5d3ca408f6759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d08b1458629ad4c09f1c2e26de2f8055b01d3751f40a7bf77ab5d3ca408f6759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08b1458629ad4c09f1c2e26de2f8055b01d3751f40a7bf77ab5d3ca408f6759", kill_on_drop: false }`
[INFO] [stdout] d08b1458629ad4c09f1c2e26de2f8055b01d3751f40a7bf77ab5d3ca408f6759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4abdcded2918d9479fe3aae04d1c9f8c56fa871fa3e8c57069b0c56b444b601
[INFO] running `Command { std: "docker" "start" "-a" "b4abdcded2918d9479fe3aae04d1c9f8c56fa871fa3e8c57069b0c56b444b601", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling 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]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/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]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "b4abdcded2918d9479fe3aae04d1c9f8c56fa871fa3e8c57069b0c56b444b601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4abdcded2918d9479fe3aae04d1c9f8c56fa871fa3e8c57069b0c56b444b601", kill_on_drop: false }`
[INFO] [stdout] b4abdcded2918d9479fe3aae04d1c9f8c56fa871fa3e8c57069b0c56b444b601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d732588aad985acad7222d8449bb1ffbf657180988ddd205f93955527aaf37e7
[INFO] running `Command { std: "docker" "start" "-a" "d732588aad985acad7222d8449bb1ffbf657180988ddd205f93955527aaf37e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling tokio-executor v0.1.0
[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]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/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]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.3
[INFO] [stderr]    Compiling 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]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/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]     Finished test [unoptimized + debuginfo] target(s) in 16.32s
[INFO] running `Command { std: "docker" "inspect" "d732588aad985acad7222d8449bb1ffbf657180988ddd205f93955527aaf37e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d732588aad985acad7222d8449bb1ffbf657180988ddd205f93955527aaf37e7", kill_on_drop: false }`
[INFO] [stdout] d732588aad985acad7222d8449bb1ffbf657180988ddd205f93955527aaf37e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a73def5f29e516b063156e5a406e1edf98894728ac1178164461a2fac000002
[INFO] running `Command { std: "docker" "start" "-a" "8a73def5f29e516b063156e5a406e1edf98894728ac1178164461a2fac000002", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/task.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     action: Box<TaskFunc>,
[INFO] [stderr]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/task_error.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |         write!(f, "{:?}", self.description())
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `base-task` (lib) generated 2 warnings
[INFO] [stderr] warning: `base-task` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/base_task-0d29ccd5e86f3782)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test task::tests::test_resolve_local_task ... ok
[INFO] [stdout] test task::tests::test_resolve_local_task_with_error ... ok
[INFO] [stdout] test task::tests::test_resolve_task_across_threads ... ok
[INFO] [stdout] test task::tests::test_resolve_local_task_with_panic ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/base_task-0d29ccd5e86f3782` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "8a73def5f29e516b063156e5a406e1edf98894728ac1178164461a2fac000002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a73def5f29e516b063156e5a406e1edf98894728ac1178164461a2fac000002", kill_on_drop: false }`
[INFO] [stdout] 8a73def5f29e516b063156e5a406e1edf98894728ac1178164461a2fac000002
