[INFO] cloning repository https://github.com/mverleg/playground_alloc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mverleg/playground_alloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fplayground_alloc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fplayground_alloc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8094e5fdd8ebcfc7adb392228664aa6ff5e6cbb9 [INFO] checking mverleg/playground_alloc against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Fplayground_alloc" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mverleg/playground_alloc on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mverleg/playground_alloc [INFO] finished tweaking git repo https://github.com/mverleg/playground_alloc [INFO] tweaked toml for git repo https://github.com/mverleg/playground_alloc written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mverleg/playground_alloc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4a94a0072f4d8d1fdc91e4a6e3f6563c7d9c9ffc6f9e2fd8d923ee9e36efa78 [INFO] running `Command { std: "docker" "start" "-a" "b4a94a0072f4d8d1fdc91e4a6e3f6563c7d9c9ffc6f9e2fd8d923ee9e36efa78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4a94a0072f4d8d1fdc91e4a6e3f6563c7d9c9ffc6f9e2fd8d923ee9e36efa78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4a94a0072f4d8d1fdc91e4a6e3f6563c7d9c9ffc6f9e2fd8d923ee9e36efa78", kill_on_drop: false }` [INFO] [stdout] b4a94a0072f4d8d1fdc91e4a6e3f6563c7d9c9ffc6f9e2fd8d923ee9e36efa78 [INFO] running `Command { std: "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" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f92fc450b4b756293b6a96924d6df71db8782bcfcc7cc67091a2b82051c0813 [INFO] running `Command { std: "docker" "start" "-a" "0f92fc450b4b756293b6a96924d6df71db8782bcfcc7cc67091a2b82051c0813", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking smallvec v1.4.1 [INFO] [stderr] Checking bumpalo v3.4.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Compiling const-random-macro v0.1.8 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking const-random v0.1.8 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking ustr v0.7.0 [INFO] [stderr] Checking bump_aloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0597]: `f1.elements` does not live long enough [INFO] [stdout] --> src/main.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | elem: f1.elements.get_mut(0).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^ borrowed value does not live long enough [INFO] [stdout] ... [INFO] [stdout] 40 | } [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | `f1.elements` dropped here while still borrowed [INFO] [stdout] | borrow might be used here, when `f1` is dropped and runs the destructor for type `File<'_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `f1` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/main.rs:39:22 [INFO] [stdout] | [INFO] [stdout] 35 | elem: f1.elements.get_mut(0).unwrap(), [INFO] [stdout] | ----------- mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 39 | println!("{:?}", f1); [INFO] [stdout] | ^^ [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0502, E0597. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bump_aloc` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0597]: `f1.elements` does not live long enough [INFO] [stdout] --> src/main.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | elem: f1.elements.get_mut(0).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^ borrowed value does not live long enough [INFO] [stdout] ... [INFO] [stdout] 40 | } [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | `f1.elements` dropped here while still borrowed [INFO] [stdout] | borrow might be used here, when `f1` is dropped and runs the destructor for type `File<'_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `f1` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/main.rs:39:22 [INFO] [stdout] | [INFO] [stdout] 35 | elem: f1.elements.get_mut(0).unwrap(), [INFO] [stdout] | ----------- mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 39 | println!("{:?}", f1); [INFO] [stdout] | ^^ [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0502, E0597. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0f92fc450b4b756293b6a96924d6df71db8782bcfcc7cc67091a2b82051c0813", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f92fc450b4b756293b6a96924d6df71db8782bcfcc7cc67091a2b82051c0813", kill_on_drop: false }` [INFO] [stdout] 0f92fc450b4b756293b6a96924d6df71db8782bcfcc7cc67091a2b82051c0813