[INFO] fetching crate cargo 0.52.0...
[INFO] checking cargo-0.52.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate cargo 0.52.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo 0.52.0 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 crates.io crate cargo 0.52.0
[INFO] finished tweaking crates.io crate cargo 0.52.0
[INFO] tweaked toml for crates.io crate cargo 0.52.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo 0.52.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "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] 7d60ae071528a09112757c50c917ed238b1392a567829e639a0299f9ea4ef4d1
[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" "7d60ae071528a09112757c50c917ed238b1392a567829e639a0299f9ea4ef4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d60ae071528a09112757c50c917ed238b1392a567829e639a0299f9ea4ef4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d60ae071528a09112757c50c917ed238b1392a567829e639a0299f9ea4ef4d1", kill_on_drop: false }`
[INFO] [stdout] 7d60ae071528a09112757c50c917ed238b1392a567829e639a0299f9ea4ef4d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTUP_TOOLCHAIN=45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "-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" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1a80e8b6fb756b45dda051215b6be5bd10bf15547f2bf88a909a01058ad75f
[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" "bd1a80e8b6fb756b45dda051215b6be5bd10bf15547f2bf88a909a01058ad75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling curl v0.4.35
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tar v0.4.33
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking sized-chunks v0.6.4
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.41+curl-7.75.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling cargo v0.52.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.33.0
[INFO] [stderr]     Checking git2 v0.13.17
[INFO] [stderr]     Checking git2-curl v0.14.1
[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[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: 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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bd1a80e8b6fb756b45dda051215b6be5bd10bf15547f2bf88a909a01058ad75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1a80e8b6fb756b45dda051215b6be5bd10bf15547f2bf88a909a01058ad75f", kill_on_drop: false }`
[INFO] [stdout] bd1a80e8b6fb756b45dda051215b6be5bd10bf15547f2bf88a909a01058ad75f