[INFO] fetching crate rw-builder 0.0.1...
[INFO] checking rw-builder-0.0.1 against master#b92758a9aef1cef7b79e2b72c3d8ba113e547f89 for pr-124305-1
[INFO] extracting crate rw-builder 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rw-builder 0.0.1 on toolchain b92758a9aef1cef7b79e2b72c3d8ba113e547f89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rw-builder 0.0.1
[INFO] finished tweaking crates.io crate rw-builder 0.0.1
[INFO] tweaked toml for crates.io crate rw-builder 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded inout v0.1.3
[INFO] [stderr]   Downloaded salsa20 v0.10.2
[INFO] [stderr]   Downloaded cipher v0.4.4
[INFO] [stderr]   Downloaded crypto-common v0.1.6
[INFO] [stderr]   Downloaded block-padding v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded cpufeatures v0.2.12
[INFO] [stderr]   Downloaded chacha20 v0.9.1
[INFO] [stderr]   Downloaded crc32fast v1.4.2
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded miniz_oxide v0.7.3
[INFO] [stderr]   Downloaded flate2 v1.0.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af0045830c5fc22f4f6e9ed12bd37906ec48bd18093d06d658460167ddd0a773
[INFO] running `Command { std: "docker" "start" "-a" "af0045830c5fc22f4f6e9ed12bd37906ec48bd18093d06d658460167ddd0a773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0045830c5fc22f4f6e9ed12bd37906ec48bd18093d06d658460167ddd0a773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0045830c5fc22f4f6e9ed12bd37906ec48bd18093d06d658460167ddd0a773", kill_on_drop: false }`
[INFO] [stdout] af0045830c5fc22f4f6e9ed12bd37906ec48bd18093d06d658460167ddd0a773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b4ef0d3f15e984dd2e8e937d53031ce3b386768edd3565dbaf7ccb4b2400333
[INFO] running `Command { std: "docker" "start" "-a" "5b4ef0d3f15e984dd2e8e937d53031ce3b386768edd3565dbaf7ccb4b2400333", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking rw-builder v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "5b4ef0d3f15e984dd2e8e937d53031ce3b386768edd3565dbaf7ccb4b2400333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4ef0d3f15e984dd2e8e937d53031ce3b386768edd3565dbaf7ccb4b2400333", kill_on_drop: false }`
[INFO] [stdout] 5b4ef0d3f15e984dd2e8e937d53031ce3b386768edd3565dbaf7ccb4b2400333
[INFO] checking rw-builder-0.0.1 against try#c1a4c206c24587a392f3bf286bc2e2a61502d44b for pr-124305-1
[INFO] extracting crate rw-builder 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate rw-builder 0.0.1 on toolchain c1a4c206c24587a392f3bf286bc2e2a61502d44b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rw-builder 0.0.1
[INFO] finished tweaking crates.io crate rw-builder 0.0.1
[INFO] tweaked toml for crates.io crate rw-builder 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d579b0bcc0a7a6d82fc815401d3a7650beed663f6c1843e08c46446d3c1ed132
[INFO] running `Command { std: "docker" "start" "-a" "d579b0bcc0a7a6d82fc815401d3a7650beed663f6c1843e08c46446d3c1ed132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d579b0bcc0a7a6d82fc815401d3a7650beed663f6c1843e08c46446d3c1ed132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d579b0bcc0a7a6d82fc815401d3a7650beed663f6c1843e08c46446d3c1ed132", kill_on_drop: false }`
[INFO] [stdout] d579b0bcc0a7a6d82fc815401d3a7650beed663f6c1843e08c46446d3c1ed132
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a16c15f2fc5e418444f34a11a1fec9047c6a235c24409f6993ee4459f77cb60
[INFO] running `Command { std: "docker" "start" "-a" "6a16c15f2fc5e418444f34a11a1fec9047c6a235c24409f6993ee4459f77cb60", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking rw-builder v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "6a16c15f2fc5e418444f34a11a1fec9047c6a235c24409f6993ee4459f77cb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a16c15f2fc5e418444f34a11a1fec9047c6a235c24409f6993ee4459f77cb60", kill_on_drop: false }`
[INFO] [stdout] 6a16c15f2fc5e418444f34a11a1fec9047c6a235c24409f6993ee4459f77cb60