[INFO] cloning repository https://github.com/Mark-Simulacrum/ecap-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mark-Simulacrum/ecap-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fecap-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fecap-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 842f70a5bded587308c329ffbf7eacf3289a380c
[INFO] checking Mark-Simulacrum/ecap-rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fecap-rs" "/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/Mark-Simulacrum/ecap-rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mark-Simulacrum/ecap-rs
[INFO] finished tweaking git repo https://github.com/Mark-Simulacrum/ecap-rs
[INFO] tweaked toml for git repo https://github.com/Mark-Simulacrum/ecap-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Mark-Simulacrum/ecap-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Mark-Simulacrum/mopa`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse-generics-shim v0.1.1
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4007a5444a2fd195328c999ed917410ce206ec6c5a699f7d00cdc69e987eba5
[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" "c4007a5444a2fd195328c999ed917410ce206ec6c5a699f7d00cdc69e987eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4007a5444a2fd195328c999ed917410ce206ec6c5a699f7d00cdc69e987eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4007a5444a2fd195328c999ed917410ce206ec6c5a699f7d00cdc69e987eba5", kill_on_drop: false }`
[INFO] [stdout] c4007a5444a2fd195328c999ed917410ce206ec6c5a699f7d00cdc69e987eba5
[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=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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72a98a77184e369ae13d414db149039aa95d7ec2aab29163308be17ffde4b9c0
[INFO] running `Command { std: "docker" "start" "-a" "72a98a77184e369ae13d414db149039aa95d7ec2aab29163308be17ffde4b9c0", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `ecap-common` in package `ecap-common v0.1.0 (/opt/rustwide/workdir/ecap-common)` has the same output filename as the lib target `ecap-common` in package `ecap-common v0.1.0 (/opt/rustwide/workdir/ecap-common)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/deps/libecap_common.so
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]     Checking parse-generics-shim v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking mopa v0.2.2 (https://github.com/Mark-Simulacrum/mopa?branch=fork#52317ba6)
[INFO] [stderr]     Checking ecap v0.1.0 (/opt/rustwide/workdir/ecap)
[INFO] [stderr]     Checking erased-ecap v0.1.0 (/opt/rustwide/workdir/erased-ecap)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> erased-ecap/src/adapter/service.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> erased-ecap/src/adapter/service.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 |             panic!("taking with a different host: {}", unsafe {
[INFO] [stdout]    |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> erased-ecap/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_in_paths, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> erased-ecap/src/adapter/service.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> erased-ecap/src/adapter/service.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 |             panic!("taking with a different host: {}", unsafe {
[INFO] [stdout]    |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> erased-ecap/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_in_paths, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ecap-common v0.1.0 (/opt/rustwide/workdir/ecap-common)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]  --> ecap-common/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate alloc_system;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ecap-common`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]  --> ecap-common/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate alloc_system;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> erased-ecap/src/adapter/service.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> erased-ecap/src/adapter/service.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 |             panic!("taking with a different host: {}", unsafe {
[INFO] [stdout]    |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `crate_in_paths` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> erased-ecap/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_in_paths, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "72a98a77184e369ae13d414db149039aa95d7ec2aab29163308be17ffde4b9c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a98a77184e369ae13d414db149039aa95d7ec2aab29163308be17ffde4b9c0", kill_on_drop: false }`
[INFO] [stdout] 72a98a77184e369ae13d414db149039aa95d7ec2aab29163308be17ffde4b9c0