[INFO] fetching crate qmc 2.19.2...
[INFO] checking qmc-2.19.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate qmc 2.19.2 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate qmc 2.19.2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qmc 2.19.2
[INFO] finished tweaking crates.io crate qmc 2.19.2
[INFO] tweaked toml for crates.io crate qmc 2.19.2 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate crates.io crate qmc 2.19.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef5f5eec4d2a38d1821ea6427fe416312282bdcedbea03d9cabc6989ffb81920
[INFO] running `Command { std: "docker" "start" "-a" "ef5f5eec4d2a38d1821ea6427fe416312282bdcedbea03d9cabc6989ffb81920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5f5eec4d2a38d1821ea6427fe416312282bdcedbea03d9cabc6989ffb81920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5f5eec4d2a38d1821ea6427fe416312282bdcedbea03d9cabc6989ffb81920", kill_on_drop: false }`
[INFO] [stdout] ef5f5eec4d2a38d1821ea6427fe416312282bdcedbea03d9cabc6989ffb81920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f7010321cffea1eeb83b4c75d10b962991738f95433f74c239b7ed7d965d2f
[INFO] running `Command { std: "docker" "start" "-a" "39f7010321cffea1eeb83b4c75d10b962991738f95433f74c239b7ed7d965d2f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   rand v0.8.4: small_rng
[INFO] [stderr]   rand_chacha v0.3.1: default
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking qmc v2.19.2 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/crash_check.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/cluster_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/small_qmc.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/end_to_end.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/check_loop_crash.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/longitudinal_crash.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/convert_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/check_rvb_crash.rs from 2018 edition to 2021
[INFO] [stdout] error[E0432]: unresolved import `rand_isaac`
[INFO] [stdout]   --> benches/end_to_end.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use rand_isaac::Isaac64Rng;
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `rand_isaac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qmc` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "39f7010321cffea1eeb83b4c75d10b962991738f95433f74c239b7ed7d965d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f7010321cffea1eeb83b4c75d10b962991738f95433f74c239b7ed7d965d2f", kill_on_drop: false }`
[INFO] [stdout] 39f7010321cffea1eeb83b4c75d10b962991738f95433f74c239b7ed7d965d2f