[INFO] cloning repository https://github.com/luser/sumfilesizes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luser/sumfilesizes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fsumfilesizes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fsumfilesizes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9aa5958816489c9a40bc2d16e305f80a5921c33
[INFO] checking luser/sumfilesizes against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fsumfilesizes" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/sumfilesizes 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 git repo https://github.com/luser/sumfilesizes
[INFO] finished tweaking git repo https://github.com/luser/sumfilesizes
[INFO] tweaked toml for git repo https://github.com/luser/sumfilesizes written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/sumfilesizes already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded number_prefix v0.2.7
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] f4c7094da5460397c56abb0c520bc8b5c4654693061a209a9af34dd682ba6530
[INFO] running `Command { std: "docker" "start" "-a" "f4c7094da5460397c56abb0c520bc8b5c4654693061a209a9af34dd682ba6530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4c7094da5460397c56abb0c520bc8b5c4654693061a209a9af34dd682ba6530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c7094da5460397c56abb0c520bc8b5c4654693061a209a9af34dd682ba6530", kill_on_drop: false }`
[INFO] [stdout] f4c7094da5460397c56abb0c520bc8b5c4654693061a209a9af34dd682ba6530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 70d94fc21341c410bcd701a1614d9e1956b78acf74f26bc3ccfbb34e1f6ddf3b
[INFO] running `Command { std: "docker" "start" "-a" "70d94fc21341c410bcd701a1614d9e1956b78acf74f26bc3ccfbb34e1f6ddf3b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking walkdir v1.0.1
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking number_prefix v0.2.7
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking sumfilesizes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "70d94fc21341c410bcd701a1614d9e1956b78acf74f26bc3ccfbb34e1f6ddf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d94fc21341c410bcd701a1614d9e1956b78acf74f26bc3ccfbb34e1f6ddf3b", kill_on_drop: false }`
[INFO] [stdout] 70d94fc21341c410bcd701a1614d9e1956b78acf74f26bc3ccfbb34e1f6ddf3b