[INFO] fetching crate red_union_find 0.3.0...
[INFO] testing red_union_find-0.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate red_union_find 0.3.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate red_union_find 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate red_union_find 0.3.0
[INFO] finished tweaking crates.io crate red_union_find 0.3.0
[INFO] tweaked toml for crates.io crate red_union_find 0.3.0 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13f6ac98951a1fe6e3205f008afa2599ef2d592aa9d974ee7ef741036cc72f1
[INFO] running `Command { std: "docker" "start" "-a" "a13f6ac98951a1fe6e3205f008afa2599ef2d592aa9d974ee7ef741036cc72f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13f6ac98951a1fe6e3205f008afa2599ef2d592aa9d974ee7ef741036cc72f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13f6ac98951a1fe6e3205f008afa2599ef2d592aa9d974ee7ef741036cc72f1", kill_on_drop: false }`
[INFO] [stdout] a13f6ac98951a1fe6e3205f008afa2599ef2d592aa9d974ee7ef741036cc72f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa2e32839d523a3e23355db69e5010c321bc6b1c8e5a4ba0efda4d03c2732f4c
[INFO] running `Command { std: "docker" "start" "-a" "fa2e32839d523a3e23355db69e5010c321bc6b1c8e5a4ba0efda4d03c2732f4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling red_union_find v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `Command { std: "docker" "inspect" "fa2e32839d523a3e23355db69e5010c321bc6b1c8e5a4ba0efda4d03c2732f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2e32839d523a3e23355db69e5010c321bc6b1c8e5a4ba0efda4d03c2732f4c", kill_on_drop: false }`
[INFO] [stdout] fa2e32839d523a3e23355db69e5010c321bc6b1c8e5a4ba0efda4d03c2732f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20146c99a180b98249e58737ac89d8869e1c8dd09eac6e3ade7958f6e2d9480c
[INFO] running `Command { std: "docker" "start" "-a" "20146c99a180b98249e58737ac89d8869e1c8dd09eac6e3ade7958f6e2d9480c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling red_union_find v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num_integer`
[INFO] [stdout]    --> src/lib.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         use num_integer::Integer;
[INFO] [stdout]     |             ^^^^^^^^^^^ use of undeclared crate or module `num_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gcd` found for type `u16` in the current scope
[INFO] [stdout]    --> src/lib.rs:518:22
[INFO] [stdout]     |
[INFO] [stdout] 518 |         assert_eq!(a.gcd(&b), 1, "a and b are not relatively prime");
[INFO] [stdout]     |                      ^^^ method not found in `u16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `red_union_find` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "20146c99a180b98249e58737ac89d8869e1c8dd09eac6e3ade7958f6e2d9480c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20146c99a180b98249e58737ac89d8869e1c8dd09eac6e3ade7958f6e2d9480c", kill_on_drop: false }`
[INFO] [stdout] 20146c99a180b98249e58737ac89d8869e1c8dd09eac6e3ade7958f6e2d9480c
