[INFO] cloning repository https://github.com/krishnakumar4a4/backer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnakumar4a4/backer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fbacker-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fbacker-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d230bc145e64d7e180d828fe4f9773df7579f20
[INFO] checking krishnakumar4a4/backer-rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fbacker-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krishnakumar4a4/backer-rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krishnakumar4a4/backer-rs
[INFO] finished tweaking git repo https://github.com/krishnakumar4a4/backer-rs
[INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/backer-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/krishnakumar4a4/backer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded zvariant_derive v2.6.0
[INFO] [stderr]   Downloaded libz-sys v1.0.23
[INFO] [stderr]   Downloaded libgit2-sys v0.7.10
[INFO] [stderr]   Downloaded zvariant v2.6.0
[INFO] [stderr]   Downloaded zbus v1.3.0
[INFO] [stderr]   Downloaded git2 v0.7.5
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded curl-sys v0.4.13
[INFO] [stderr]   Downloaded zbus_macros v1.3.0
[INFO] [stderr]   Downloaded notify-rust v4.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf87a481124adbafb504d8577131935ad8daa3f8eba8385f9433c7126a199b66
[INFO] running `Command { std: "docker" "start" "-a" "bf87a481124adbafb504d8577131935ad8daa3f8eba8385f9433c7126a199b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf87a481124adbafb504d8577131935ad8daa3f8eba8385f9433c7126a199b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf87a481124adbafb504d8577131935ad8daa3f8eba8385f9433c7126a199b66", kill_on_drop: false }`
[INFO] [stdout] bf87a481124adbafb504d8577131935ad8daa3f8eba8385f9433c7126a199b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a9a8c58891396536b5069254575d8fab3e6c2b2fbc0cdaa084ab04040bda1d7
[INFO] running `Command { std: "docker" "start" "-a" "8a9a8c58891396536b5069254575d8fab3e6c2b2fbc0cdaa084ab04040bda1d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling libz-sys v1.0.23
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling curl-sys v0.4.13
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling zvariant_derive v2.6.0
[INFO] [stderr]    Compiling zbus_macros v1.3.0
[INFO] [stderr]     Checking zvariant v2.6.0
[INFO] [stderr]     Checking zbus v1.3.0
[INFO] [stderr]     Checking notify-rust v4.3.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking backer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.91s
[INFO] running `Command { std: "docker" "inspect" "8a9a8c58891396536b5069254575d8fab3e6c2b2fbc0cdaa084ab04040bda1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9a8c58891396536b5069254575d8fab3e6c2b2fbc0cdaa084ab04040bda1d7", kill_on_drop: false }`
[INFO] [stdout] 8a9a8c58891396536b5069254575d8fab3e6c2b2fbc0cdaa084ab04040bda1d7