[INFO] cloning repository https://github.com/takumak/mps2_an521_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takumak/mps2_an521_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumak%2Fmps2_an521_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumak%2Fmps2_an521_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 476a5c67dd93e5ba1b9b5753e3aa404d8ca86272
[INFO] testing takumak/mps2_an521_rs against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumak%2Fmps2_an521_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/takumak/mps2_an521_rs
[INFO] finished tweaking git repo https://github.com/takumak/mps2_an521_rs
[INFO] tweaked toml for git repo https://github.com/takumak/mps2_an521_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takumak/mps2_an521_rs on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takumak/mps2_an521_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.132
[INFO] [stderr]   Downloaded mersenne_twister v1.1.1
[INFO] [stderr]   Downloaded serde v1.0.132
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded serde_json v1.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4358101a03f2824a6203294c9ccbbc9c8c6c008ec8171064d7a23f20255a328d
[INFO] running `Command { std: "docker" "start" "-a" "4358101a03f2824a6203294c9ccbbc9c8c6c008ec8171064d7a23f20255a328d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4358101a03f2824a6203294c9ccbbc9c8c6c008ec8171064d7a23f20255a328d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4358101a03f2824a6203294c9ccbbc9c8c6c008ec8171064d7a23f20255a328d", kill_on_drop: false }`
[INFO] [stdout] 4358101a03f2824a6203294c9ccbbc9c8c6c008ec8171064d7a23f20255a328d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa92da01227e4d508b3b9112db663d2f51dd9ecabd1aaff3b2c795513de2096c
[INFO] running `Command { std: "docker" "start" "-a" "fa92da01227e4d508b3b9112db663d2f51dd9ecabd1aaff3b2c795513de2096c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitfield v0.1.0 (/opt/rustwide/workdir/libs/bitfield)
[INFO] [stderr]    Compiling stpack v0.1.0 (/opt/rustwide/workdir/libs/stpack)
[INFO] [stderr]    Compiling linked_list_allocator v0.1.0 (/opt/rustwide/workdir/libs/linked_list_allocator)
[INFO] [stderr]    Compiling kallsyms_dec v0.1.0 (/opt/rustwide/workdir/libs/kallsyms_dec)
[INFO] [stderr]    Compiling mmio v0.1.0 (/opt/rustwide/workdir/libs/mmio)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> libs/linked_list_allocator/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(no_coverage)]
[INFO] [stdout]   |            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.74.0; see <https://github.com/rust-lang/rust/pull/114656> for more information
[INFO] [stdout]   = note: renamed to `coverage_attribute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> libs/linked_list_allocator/src/lib.rs:256:7
[INFO] [stdout]     |
[INFO] [stdout] 256 |     #[no_coverage]
[INFO] [stdout]     |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> libs/linked_list_allocator/src/lib.rs:261:7
[INFO] [stdout]     |
[INFO] [stdout] 261 |     #[no_coverage]
[INFO] [stdout]     |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fa92da01227e4d508b3b9112db663d2f51dd9ecabd1aaff3b2c795513de2096c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa92da01227e4d508b3b9112db663d2f51dd9ecabd1aaff3b2c795513de2096c", kill_on_drop: false }`
[INFO] [stdout] fa92da01227e4d508b3b9112db663d2f51dd9ecabd1aaff3b2c795513de2096c