[INFO] fetching crate cargo 0.48.0...
[INFO] checking cargo-0.48.0 against beta for pr-78714
[INFO] extracting crate cargo 0.48.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo 0.48.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo 0.48.0
[INFO] finished tweaking crates.io crate cargo 0.48.0
[INFO] tweaked toml for crates.io crate cargo 0.48.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo 0.48.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8a20e6e93609024f808795095d9e569c03c072c1a5424d5074c6263eab20b17
[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" "e8a20e6e93609024f808795095d9e569c03c072c1a5424d5074c6263eab20b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a20e6e93609024f808795095d9e569c03c072c1a5424d5074c6263eab20b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a20e6e93609024f808795095d9e569c03c072c1a5424d5074c6263eab20b17", kill_on_drop: false }`
[INFO] [stdout] e8a20e6e93609024f808795095d9e569c03c072c1a5424d5074c6263eab20b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 159151f8233622b54a4712feba438d394cb1e4ceb62f0d6782078f938e76998c
[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" "159151f8233622b54a4712feba438d394cb1e4ceb62f0d6782078f938e76998c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling curl-sys v0.4.33+curl-7.71.1
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling cargo v0.48.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking git2 v0.13.8
[INFO] [stderr]     Checking git2-curl v0.14.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.31.1
[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 crate 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:62:3
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[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:121:3
[INFO] [stdout]     |
[INFO] [stdout] 121 | #[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:164:3
[INFO] [stdout]     |
[INFO] [stdout] 164 | #[cargo_test(build_std)]
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0433]: failed to resolve: use of undeclared crate or module `paths`
[INFO] [stdout]    --> tests/build-std/main.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let sysroot = paths::sysroot();
[INFO] [stdout]     |                   ^^^^^ use of undeclared crate 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:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | 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:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |         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:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     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:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |         .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:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     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:140:34
[INFO] [stdout]     |
[INFO] [stdout] 140 |         .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:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |     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:209:15
[INFO] [stdout]     |
[INFO] [stdout] 209 |         .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" "159151f8233622b54a4712feba438d394cb1e4ceb62f0d6782078f938e76998c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159151f8233622b54a4712feba438d394cb1e4ceb62f0d6782078f938e76998c", kill_on_drop: false }`
[INFO] [stdout] 159151f8233622b54a4712feba438d394cb1e4ceb62f0d6782078f938e76998c