[INFO] fetching crate merde 10.0.7...
[INFO] building merde-10.0.7 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate merde 10.0.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate merde 10.0.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate merde 10.0.7
[INFO] tweaked toml for crates.io crate merde 10.0.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merde 10.0.7 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate merde 10.0.7 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac8feb3283358da282c715ae6ef09194bd3242b81d86ea93aa100f14212c3f53
[INFO] running `Command { std: "docker" "start" "-a" "ac8feb3283358da282c715ae6ef09194bd3242b81d86ea93aa100f14212c3f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac8feb3283358da282c715ae6ef09194bd3242b81d86ea93aa100f14212c3f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8feb3283358da282c715ae6ef09194bd3242b81d86ea93aa100f14212c3f53", kill_on_drop: false }`
[INFO] [stdout] ac8feb3283358da282c715ae6ef09194bd3242b81d86ea93aa100f14212c3f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e662117822bb9e1dcc179261fda8aa30d706ae83f7bf6dae548c15d1a29d55c
[INFO] running `Command { std: "docker" "start" "-a" "6e662117822bb9e1dcc179261fda8aa30d706ae83f7bf6dae548c15d1a29d55c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling ordered-float v5.0.0
[INFO] [stderr]    Compiling compact_bytes v0.1.3
[INFO] [stderr]    Compiling merde_core v10.0.6
[INFO] [stderr]    Compiling merde v10.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "6e662117822bb9e1dcc179261fda8aa30d706ae83f7bf6dae548c15d1a29d55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e662117822bb9e1dcc179261fda8aa30d706ae83f7bf6dae548c15d1a29d55c", kill_on_drop: false }`
[INFO] [stdout] 6e662117822bb9e1dcc179261fda8aa30d706ae83f7bf6dae548c15d1a29d55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9581ffba5185a293020c7a975a2fd46481f258286ed4024775e1f64c05bdd4b
[INFO] running `Command { std: "docker" "start" "-a" "a9581ffba5185a293020c7a975a2fd46481f258286ed4024775e1f64c05bdd4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling merde v10.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "a9581ffba5185a293020c7a975a2fd46481f258286ed4024775e1f64c05bdd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9581ffba5185a293020c7a975a2fd46481f258286ed4024775e1f64c05bdd4b", kill_on_drop: false }`
[INFO] [stdout] a9581ffba5185a293020c7a975a2fd46481f258286ed4024775e1f64c05bdd4b