[INFO] updating cached repository https://github.com/vks/discrete-log
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 163c06cd56ce5fae39f4d2329425eb1e4f1752c4
[INFO] checking vks/discrete-log against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvks%2Fdiscrete-log" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vks/discrete-log on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vks/discrete-log
[INFO] finished tweaking git repo https://github.com/vks/discrete-log
[INFO] tweaked toml for git repo https://github.com/vks/discrete-log written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vks/discrete-log already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78d2013ca44873d2325848f7a78df97369ba2f667c5f7a92d0b1765de1e7f4ba
[INFO] running `"docker" "start" "-a" "78d2013ca44873d2325848f7a78df97369ba2f667c5f7a92d0b1765de1e7f4ba"`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]    Compiling rug v1.5.2
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rust-gmp v0.5.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling ramp v0.5.2
[INFO] [stderr] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.2/src/mem.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::alloc::{self, Alloc};
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        no `Alloc` in `alloc`
[INFO] [stderr]    |                        help: a similar name exists in the module: `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `alloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.2/src/mem.rs:47:35
[INFO] [stderr]     |
[INFO] [stderr] 47  |     let ret = match alloc::Global.alloc(layout.clone()) {
[INFO] [stderr]     |                                   ^^^^^ method not found in `std::alloc::Global`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::alloc::AllocRef;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dealloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.2/src/mem.rs:64:19
[INFO] [stderr]     |
[INFO] [stderr] 64  |     alloc::Global.dealloc(ptr, layout);
[INFO] [stderr]     |                   ^^^^^^^ method not found in `std::alloc::Global`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::alloc::AllocRef;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `ramp`.
[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 `"docker" "inspect" "78d2013ca44873d2325848f7a78df97369ba2f667c5f7a92d0b1765de1e7f4ba"`
[INFO] running `"docker" "rm" "-f" "78d2013ca44873d2325848f7a78df97369ba2f667c5f7a92d0b1765de1e7f4ba"`
[INFO] [stdout] 78d2013ca44873d2325848f7a78df97369ba2f667c5f7a92d0b1765de1e7f4ba
