[INFO] fetching crate treap 0.0.3...
[INFO] testing treap-0.0.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate treap 0.0.3 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate treap 0.0.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treap 0.0.3
[INFO] finished tweaking crates.io crate treap 0.0.3
[INFO] tweaked toml for crates.io crate treap 0.0.3 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30a166dfdf370da264b33f4d03d9e3664180c02123a0f262a7d7afa42024db24
[INFO] running `Command { std: "docker" "start" "-a" "30a166dfdf370da264b33f4d03d9e3664180c02123a0f262a7d7afa42024db24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30a166dfdf370da264b33f4d03d9e3664180c02123a0f262a7d7afa42024db24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a166dfdf370da264b33f4d03d9e3664180c02123a0f262a7d7afa42024db24", kill_on_drop: false }`
[INFO] [stdout] 30a166dfdf370da264b33f4d03d9e3664180c02123a0f262a7d7afa42024db24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97dd6a41ad9247a97d9ad63f7178d4165d75e44bd5416e503c5ad2e7663fd7b9
[INFO] running `Command { std: "docker" "start" "-a" "97dd6a41ad9247a97d9ad63f7178d4165d75e44bd5416e503c5ad2e7663fd7b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.2.5
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stdout] error[E0425]: cannot find function `at_exit` in module `rt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/log-0.2.5/src/lib.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |     rt::at_exit(|| {
[INFO] [stdout]     |         ^^^^^^^ not found in `rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rt': this public module should not exist and is highly likely to disappear
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/log-0.2.5/src/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | use std::rt;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(rt)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log` due to 3 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "97dd6a41ad9247a97d9ad63f7178d4165d75e44bd5416e503c5ad2e7663fd7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97dd6a41ad9247a97d9ad63f7178d4165d75e44bd5416e503c5ad2e7663fd7b9", kill_on_drop: false }`
[INFO] [stdout] 97dd6a41ad9247a97d9ad63f7178d4165d75e44bd5416e503c5ad2e7663fd7b9