[INFO] fetching crate persistent_rope 0.1.3...
[INFO] checking persistent_rope-0.1.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate persistent_rope 0.1.3 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate persistent_rope 0.1.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persistent_rope 0.1.3
[INFO] finished tweaking crates.io crate persistent_rope 0.1.3
[INFO] tweaked toml for crates.io crate persistent_rope 0.1.3 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded ropey v1.3.1
[INFO] [stderr]   Downloaded macro-attr v0.2.0
[INFO] [stderr]   Downloaded xi-rope v0.3.0
[INFO] [stderr]   Downloaded an-rope v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 807db3e2ac9c8c985b6d28b0039958411a5ca73d5dbc2bdc8996b9ca1f50d0e7
[INFO] running `Command { std: "docker" "start" "-a" "807db3e2ac9c8c985b6d28b0039958411a5ca73d5dbc2bdc8996b9ca1f50d0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807db3e2ac9c8c985b6d28b0039958411a5ca73d5dbc2bdc8996b9ca1f50d0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807db3e2ac9c8c985b6d28b0039958411a5ca73d5dbc2bdc8996b9ca1f50d0e7", kill_on_drop: false }`
[INFO] [stdout] 807db3e2ac9c8c985b6d28b0039958411a5ca73d5dbc2bdc8996b9ca1f50d0e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688d2570df9c685b7fa7a1413c64c0445a2bbb0538daa38a534eeff8a3747d3e
[INFO] running `Command { std: "docker" "start" "-a" "688d2570df9c685b7fa7a1413c64c0445a2bbb0538daa38a534eeff8a3747d3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]     Checking persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ropey v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking an-rope v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking xi-rope v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "688d2570df9c685b7fa7a1413c64c0445a2bbb0538daa38a534eeff8a3747d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688d2570df9c685b7fa7a1413c64c0445a2bbb0538daa38a534eeff8a3747d3e", kill_on_drop: false }`
[INFO] [stdout] 688d2570df9c685b7fa7a1413c64c0445a2bbb0538daa38a534eeff8a3747d3e