[INFO] cloning repository https://github.com/fiji-flo/differy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fiji-flo/differy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiji-flo%2Fdiffery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiji-flo%2Fdiffery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c0e68dd3f5c4a8fa5c666925ddd08154fd7f93f
[INFO] checking fiji-flo/differy against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiji-flo%2Fdiffery" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fiji-flo/differy on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fiji-flo/differy
[INFO] finished tweaking git repo https://github.com/fiji-flo/differy
[INFO] tweaked toml for git repo https://github.com/fiji-flo/differy written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/fiji-flo/differy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22fc6ac3f736de0e864e8fb6c5677459f30e51a989d381cbf307255b5ee04120
[INFO] running `Command { std: "docker" "start" "-a" "22fc6ac3f736de0e864e8fb6c5677459f30e51a989d381cbf307255b5ee04120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22fc6ac3f736de0e864e8fb6c5677459f30e51a989d381cbf307255b5ee04120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fc6ac3f736de0e864e8fb6c5677459f30e51a989d381cbf307255b5ee04120", kill_on_drop: false }`
[INFO] [stdout] 22fc6ac3f736de0e864e8fb6c5677459f30e51a989d381cbf307255b5ee04120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4353c173bd1347f09cf2c00e647a5a2692557258c30dd4de5947ae0f17b4dff9
[INFO] running `Command { std: "docker" "start" "-a" "4353c173bd1347f09cf2c00e647a5a2692557258c30dd4de5947ae0f17b4dff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking differy v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.32s
[INFO] running `Command { std: "docker" "inspect" "4353c173bd1347f09cf2c00e647a5a2692557258c30dd4de5947ae0f17b4dff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4353c173bd1347f09cf2c00e647a5a2692557258c30dd4de5947ae0f17b4dff9", kill_on_drop: false }`
[INFO] [stdout] 4353c173bd1347f09cf2c00e647a5a2692557258c30dd4de5947ae0f17b4dff9