[INFO] cloning repository https://github.com/Chriscbr/rustgen_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chriscbr/rustgen_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChriscbr%2Frustgen_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChriscbr%2Frustgen_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2b4ffc1d576fd60c253a59c4f082b76582667d8
[INFO] checking Chriscbr/rustgen_test against try#279ba2cff36a3029611d32ee1b5c82559c565f69 for pr-87316
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChriscbr%2Frustgen_test" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chriscbr/rustgen_test on toolchain 279ba2cff36a3029611d32ee1b5c82559c565f69
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chriscbr/rustgen_test
[INFO] finished tweaking git repo https://github.com/Chriscbr/rustgen_test
[INFO] tweaked toml for git repo https://github.com/Chriscbr/rustgen_test written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Chriscbr/rustgen_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded jobserver v0.1.12
[INFO] [stderr]   Downloaded rustc-ap-graphviz v401.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_cratesio_shim v401.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v401.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v401.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v401.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v401.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.1.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v401.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.1.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v401.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v401.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef3f8fcdb4fb5cc45415470e824301a24868976c551a31d5d7a4d42a121ba116
[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" "ef3f8fcdb4fb5cc45415470e824301a24868976c551a31d5d7a4d42a121ba116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3f8fcdb4fb5cc45415470e824301a24868976c551a31d5d7a4d42a121ba116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3f8fcdb4fb5cc45415470e824301a24868976c551a31d5d7a4d42a121ba116", kill_on_drop: false }`
[INFO] [stdout] ef3f8fcdb4fb5cc45415470e824301a24868976c551a31d5d7a4d42a121ba116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "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] 279940e5d32463459822e39a6a77c9a6167d7bceec8bf63cb3b99ff0166fea1d
[INFO] running `Command { std: "docker" "start" "-a" "279940e5d32463459822e39a6a77c9a6167d7bceec8bf63cb3b99ff0166fea1d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling rustc-rayon v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-ap-graphviz v401.0.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v401.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v401.0.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rustc-ap-serialize v401.0.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking ena v0.11.0
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v401.0.0
[INFO] [stderr]     Checking jobserver v0.1.12
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.1.5/src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "279940e5d32463459822e39a6a77c9a6167d7bceec8bf63cb3b99ff0166fea1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279940e5d32463459822e39a6a77c9a6167d7bceec8bf63cb3b99ff0166fea1d", kill_on_drop: false }`
[INFO] [stdout] 279940e5d32463459822e39a6a77c9a6167d7bceec8bf63cb3b99ff0166fea1d