[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#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvks%2Fdiscrete-log" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vks/discrete-log on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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-3/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] e63865c324cf32915bd8ac6d3e0056e2d373861a1d8bca8cd7fe4ef42eb328cd
[INFO] running `"docker" "start" "-a" "e63865c324cf32915bd8ac6d3e0056e2d373861a1d8bca8cd7fe4ef42eb328cd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]    Compiling rug v1.5.2
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking memoffset v0.5.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rust-gmp v0.5.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]     Checking rayon-core v1.6.0
[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]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bstr v0.2.8
[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[E0599]: no function or associated item named `empty` found for struct `std::ptr::Unique<_>` in the current scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.2/src/int.rs:3582:26
[INFO] [stderr]      |
[INFO] [stderr] 3582 |             ptr: Unique::empty(),
[INFO] [stderr]      |                          ^^^^^ function or associated item not found in `std::ptr::Unique<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 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" "e63865c324cf32915bd8ac6d3e0056e2d373861a1d8bca8cd7fe4ef42eb328cd"`
[INFO] running `"docker" "rm" "-f" "e63865c324cf32915bd8ac6d3e0056e2d373861a1d8bca8cd7fe4ef42eb328cd"`
[INFO] [stdout] e63865c324cf32915bd8ac6d3e0056e2d373861a1d8bca8cd7fe4ef42eb328cd