[INFO] cloning repository https://github.com/PatchMixolydic/laria
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatchMixolydic/laria" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatchMixolydic%2Flaria", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatchMixolydic%2Flaria'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e875e557c584a77b1f24c8c99822a68ef2eeaf96
[INFO] checking PatchMixolydic/laria against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatchMixolydic%2Flaria" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PatchMixolydic/laria on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PatchMixolydic/laria
[INFO] finished tweaking git repo https://github.com/PatchMixolydic/laria
[INFO] tweaked toml for git repo https://github.com/PatchMixolydic/laria written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/PatchMixolydic/laria already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded rustc_version_runtime v0.2.0
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae53e801bc2d06374052eab600d1b365bb27b35e4fb773bdcac65df02bc4240f
[INFO] running `Command { std: "docker" "start" "-a" "ae53e801bc2d06374052eab600d1b365bb27b35e4fb773bdcac65df02bc4240f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae53e801bc2d06374052eab600d1b365bb27b35e4fb773bdcac65df02bc4240f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae53e801bc2d06374052eab600d1b365bb27b35e4fb773bdcac65df02bc4240f", kill_on_drop: false }`
[INFO] [stdout] ae53e801bc2d06374052eab600d1b365bb27b35e4fb773bdcac65df02bc4240f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77c0882fb97a9a5f5816da74157d3291cd1d6de910f75fb0b543caf8f3f79219
[INFO] running `Command { std: "docker" "start" "-a" "77c0882fb97a9a5f5816da74157d3291cd1d6de910f75fb0b543caf8f3f79219", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking annotate-snippets v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking laria_log v0.1.0 (/opt/rustwide/workdir/laria_log)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking laria_vm v0.1.0 (/opt/rustwide/workdir/laria_vm)
[INFO] [stdout] warning: the feature `array_value_iter` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> laria_vm/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_value_iter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_value_iter` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> laria_vm/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_value_iter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking laria_backend v0.1.0 (/opt/rustwide/workdir/laria_backend)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `peekable_next_if` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> laria_backend/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(peekable_next_if)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking laria v0.1.0 (/opt/rustwide/workdir/laria)
[INFO] [stdout] warning: the feature `peekable_next_if` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> laria_backend/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(peekable_next_if)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.27s
[INFO] running `Command { std: "docker" "inspect" "77c0882fb97a9a5f5816da74157d3291cd1d6de910f75fb0b543caf8f3f79219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c0882fb97a9a5f5816da74157d3291cd1d6de910f75fb0b543caf8f3f79219", kill_on_drop: false }`
[INFO] [stdout] 77c0882fb97a9a5f5816da74157d3291cd1d6de910f75fb0b543caf8f3f79219