[INFO] cloning repository https://github.com/Canop/backdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Canop/backdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbackdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbackdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 602f5343de5f9095c36fdc2841586611a4b978bc
[INFO] checking Canop/backdown against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbackdown" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Canop/backdown on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Canop/backdown
[INFO] finished tweaking git repo https://github.com/Canop/backdown
[INFO] tweaked toml for git repo https://github.com/Canop/backdown written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Canop/backdown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 signal-hook v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf499e42f7058169e4c5ee934654544a8b97b0a439126a6f1d448812c4fed3de
[INFO] running `Command { std: "docker" "start" "-a" "bf499e42f7058169e4c5ee934654544a8b97b0a439126a6f1d448812c4fed3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf499e42f7058169e4c5ee934654544a8b97b0a439126a6f1d448812c4fed3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf499e42f7058169e4c5ee934654544a8b97b0a439126a6f1d448812c4fed3de", kill_on_drop: false }`
[INFO] [stdout] bf499e42f7058169e4c5ee934654544a8b97b0a439126a6f1d448812c4fed3de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752db006c1c5e78e8d5a2a92c2a781cfe7b654b3dde061c92b5cb61aeb400027
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "752db006c1c5e78e8d5a2a92c2a781cfe7b654b3dde061c92b5cb61aeb400027", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking file-size v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling ansi_colours v1.0.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking minimad v0.9.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking coolor v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.2.2
[INFO] [stderr]     Checking lazy-regex v2.2.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking proc-status v0.1.1
[INFO] [stderr]     Checking termimad v0.19.0
[INFO] [stderr]     Checking cli-log v2.0.0
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking backdown v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "752db006c1c5e78e8d5a2a92c2a781cfe7b654b3dde061c92b5cb61aeb400027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752db006c1c5e78e8d5a2a92c2a781cfe7b654b3dde061c92b5cb61aeb400027", kill_on_drop: false }`
[INFO] [stdout] 752db006c1c5e78e8d5a2a92c2a781cfe7b654b3dde061c92b5cb61aeb400027