[INFO] updating cached repository https://github.com/bjorn3/rustc_codegen_cranelift
[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] [stderr] From https://github.com/bjorn3/rustc_codegen_cranelift
[INFO] [stderr]    c74b306..09b44f5  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09b44f5d25911b40e6c91fe160a89009ba6ddfe1
[INFO] checking bjorn3/rustc_codegen_cranelift against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjorn3%2Frustc_codegen_cranelift" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bjorn3/rustc_codegen_cranelift on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bjorn3/rustc_codegen_cranelift
[INFO] finished tweaking git repo https://github.com/bjorn3/rustc_codegen_cranelift
[INFO] tweaked toml for git repo https://github.com/bjorn3/rustc_codegen_cranelift written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bjorn3/rustc_codegen_cranelift already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] ad5d6418d236e649670269f287ae7a8cc4a09a242a883507809fbc16d7669372
[INFO] running `"docker" "start" "-a" "ad5d6418d236e649670269f287ae7a8cc4a09a242a883507809fbc16d7669372"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cranelift-entity v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking cranelift-bforest v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]    Compiling cranelift-codegen v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking object v0.17.0
[INFO] [stderr]     Checking cranelift-module v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking cranelift-native v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking cranelift-frontend v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking cranelift-object v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking cranelift-simplejit v0.54.0 (https://github.com/bytecodealliance/cranelift/#3268b0d1)
[INFO] [stderr]     Checking rustc_codegen_cranelift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `flate2`
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate flate2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rustc_codegen_cranelift`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `flate2`
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate flate2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rustc_codegen_cranelift`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ad5d6418d236e649670269f287ae7a8cc4a09a242a883507809fbc16d7669372"`
[INFO] running `"docker" "rm" "-f" "ad5d6418d236e649670269f287ae7a8cc4a09a242a883507809fbc16d7669372"`
[INFO] [stdout] ad5d6418d236e649670269f287ae7a8cc4a09a242a883507809fbc16d7669372