[INFO] fetching crate myser 0.1.0...
[INFO] building myser-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate myser 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate myser 0.1.0
[INFO] finished tweaking crates.io crate myser 0.1.0
[INFO] tweaked toml for crates.io crate myser 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate myser 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate myser 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f519f717196912b053380be1a2cfe0a0bcd2b7c37c7c5ac4965314b88197834
[INFO] running `Command { std: "docker" "start" "-a" "5f519f717196912b053380be1a2cfe0a0bcd2b7c37c7c5ac4965314b88197834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f519f717196912b053380be1a2cfe0a0bcd2b7c37c7c5ac4965314b88197834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f519f717196912b053380be1a2cfe0a0bcd2b7c37c7c5ac4965314b88197834", kill_on_drop: false }`
[INFO] [stdout] 5f519f717196912b053380be1a2cfe0a0bcd2b7c37c7c5ac4965314b88197834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe8e12b800085aeb39c288e1862b428bb307ae49a848d4904b1ab89a363927c
[INFO] running `Command { std: "docker" "start" "-a" "1fe8e12b800085aeb39c288e1862b428bb307ae49a848d4904b1ab89a363927c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling heapless v0.7.15
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling myser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `as_array_of_cells` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(as_array_of_cells)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "1fe8e12b800085aeb39c288e1862b428bb307ae49a848d4904b1ab89a363927c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe8e12b800085aeb39c288e1862b428bb307ae49a848d4904b1ab89a363927c", kill_on_drop: false }`
[INFO] [stdout] 1fe8e12b800085aeb39c288e1862b428bb307ae49a848d4904b1ab89a363927c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 801beafab718e5ed116479a7ffd6049d89b49a6d61a6e8daf708c381e1253c4f
[INFO] running `Command { std: "docker" "start" "-a" "801beafab718e5ed116479a7ffd6049d89b49a6d61a6e8daf708c381e1253c4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling myser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `as_array_of_cells` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(as_array_of_cells)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "801beafab718e5ed116479a7ffd6049d89b49a6d61a6e8daf708c381e1253c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801beafab718e5ed116479a7ffd6049d89b49a6d61a6e8daf708c381e1253c4f", kill_on_drop: false }`
[INFO] [stdout] 801beafab718e5ed116479a7ffd6049d89b49a6d61a6e8daf708c381e1253c4f