[INFO] cloning repository https://github.com/andrewdavidmackenzie/wasm_explore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewdavidmackenzie/wasm_explore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Fwasm_explore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Fwasm_explore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73d9ed3e6fa7bd2066e15dbd7d155cce576f7e79
[INFO] checking andrewdavidmackenzie/wasm_explore against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Fwasm_explore" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewdavidmackenzie/wasm_explore on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewdavidmackenzie/wasm_explore
[INFO] finished tweaking git repo https://github.com/andrewdavidmackenzie/wasm_explore
[INFO] tweaked toml for git repo https://github.com/andrewdavidmackenzie/wasm_explore written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-gc v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e643963f9f2c2bc573e227aa7dcd47e9e39dcdec23f6a568ee8b23fc726ef04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e643963f9f2c2bc573e227aa7dcd47e9e39dcdec23f6a568ee8b23fc726ef04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e643963f9f2c2bc573e227aa7dcd47e9e39dcdec23f6a568ee8b23fc726ef04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e643963f9f2c2bc573e227aa7dcd47e9e39dcdec23f6a568ee8b23fc726ef04", kill_on_drop: false }`
[INFO] [stdout] 2e643963f9f2c2bc573e227aa7dcd47e9e39dcdec23f6a568ee8b23fc726ef04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1917c9d72cfc6db98a20efb3b443665ba5920489833cfec40a53a8afd2ca59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f1917c9d72cfc6db98a20efb3b443665ba5920489833cfec40a53a8afd2ca59", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking wasmi v0.4.2
[INFO] [stderr]     Checking implementation v0.0.1 (/opt/rustwide/workdir/implementation)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking wasm_impl_derive v0.1.0 (/opt/rustwide/workdir/wasm_impl_derive)
[INFO] [stderr]     Checking wrapper v0.0.1 (/opt/rustwide/workdir/wrapper)
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "4f1917c9d72cfc6db98a20efb3b443665ba5920489833cfec40a53a8afd2ca59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1917c9d72cfc6db98a20efb3b443665ba5920489833cfec40a53a8afd2ca59", kill_on_drop: false }`
[INFO] [stdout] 4f1917c9d72cfc6db98a20efb3b443665ba5920489833cfec40a53a8afd2ca59