[INFO] fetching crate cargo 0.46.1...
[INFO] testing cargo-0.46.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cargo 0.46.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo 0.46.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo 0.46.1
[INFO] finished tweaking crates.io crate cargo 0.46.1
[INFO] tweaked toml for crates.io crate cargo 0.46.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo 0.46.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab5ff80274f6f7f89905d95c673cf7f1e89360988b238065d06403b7b59db9a
[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" "4ab5ff80274f6f7f89905d95c673cf7f1e89360988b238065d06403b7b59db9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab5ff80274f6f7f89905d95c673cf7f1e89360988b238065d06403b7b59db9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab5ff80274f6f7f89905d95c673cf7f1e89360988b238065d06403b7b59db9a", kill_on_drop: false }`
[INFO] [stdout] 4ab5ff80274f6f7f89905d95c673cf7f1e89360988b238065d06403b7b59db9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4f2e248c4e224d0d6c7a06bfa21ad5e64716feb9ad96ee1cc57d451085fbf7
[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" "de4f2e248c4e224d0d6c7a06bfa21ad5e64716feb9ad96ee1cc57d451085fbf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling filetime v0.2.11
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.33+curl-7.71.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling git2 v0.13.8
[INFO] [stderr]    Compiling git2-curl v0.14.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling crates-io v0.31.1
[INFO] [stderr]    Compiling cargo v0.46.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "de4f2e248c4e224d0d6c7a06bfa21ad5e64716feb9ad96ee1cc57d451085fbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4f2e248c4e224d0d6c7a06bfa21ad5e64716feb9ad96ee1cc57d451085fbf7", kill_on_drop: false }`
[INFO] [stdout] de4f2e248c4e224d0d6c7a06bfa21ad5e64716feb9ad96ee1cc57d451085fbf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 5f0f6cd8c42dc72bee5eff3e78d3ea462fb8a900dde2e789c6915670460e2658
[INFO] running `Command { std: "docker" "start" "-a" "5f0f6cd8c42dc72bee5eff3e78d3ea462fb8a900dde2e789c6915670460e2658", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo v0.46.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `cargo_test_macro`
[INFO] [stdout]   --> tests/testsuite/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate cargo_test_macro;
[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 `cargo`.
[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[E0432]: unresolved import `cargo_test_support`
[INFO] [stdout]   --> tests/build-std/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use cargo_test_support::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ use of undeclared type or module `cargo_test_support`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `cargo_test` in this scope
[INFO] [stdout]   --> tests/build-std/main.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[cargo_test(build_std)]
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `cargo_test` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:122:3
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[cargo_test(build_std)]
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `cargo_test` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:165:3
[INFO] [stdout]     |
[INFO] [stdout] 165 | #[cargo_test(build_std)]
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `paths`
[INFO] [stdout]    --> tests/build-std/main.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let sysroot = paths::sysroot();
[INFO] [stdout]     |                   ^^^^^ use of undeclared type or module `paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Execs` in this scope
[INFO] [stdout]   --> tests/build-std/main.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn enable_build_std(e: &mut Execs, arg: Option<&str>) {
[INFO] [stdout]    |                             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Execs` in this scope
[INFO] [stdout]   --> tests/build-std/main.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl BuildStd for Execs {
[INFO] [stdout]    |                   ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `rustc_host` in this scope
[INFO] [stdout]   --> tests/build-std/main.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.arg("--target").arg(rustc_host());
[INFO] [stdout]    |                                  ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `project` in this scope
[INFO] [stdout]   --> tests/build-std/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let p = project()
[INFO] [stdout]    |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `rustc_host` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |         .join(rustc_host())
[INFO] [stdout]     |               ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `project` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let p = project()
[INFO] [stdout]     |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `basic_manifest` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |         .file("dep/Cargo.toml", &basic_manifest("dep", "0.1.0"))
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `project` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let p = project()
[INFO] [stdout]     |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `rustc_host` in this scope
[INFO] [stdout]    --> tests/build-std/main.rs:210:15
[INFO] [stdout]     |
[INFO] [stdout] 210 |         .join(rustc_host())
[INFO] [stdout]     |               ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5f0f6cd8c42dc72bee5eff3e78d3ea462fb8a900dde2e789c6915670460e2658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0f6cd8c42dc72bee5eff3e78d3ea462fb8a900dde2e789c6915670460e2658", kill_on_drop: false }`
[INFO] [stdout] 5f0f6cd8c42dc72bee5eff3e78d3ea462fb8a900dde2e789c6915670460e2658