[INFO] cloning repository https://github.com/lesborg/barcodes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lesborg/barcodes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesborg%2Fbarcodes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesborg%2Fbarcodes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50da3990fcffb0751644983041ba53fadf708d3e
[INFO] checking lesborg/barcodes against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesborg%2Fbarcodes" "/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/lesborg/barcodes on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lesborg/barcodes
[INFO] finished tweaking git repo https://github.com/lesborg/barcodes
[INFO] tweaked toml for git repo https://github.com/lesborg/barcodes written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lesborg/barcodes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 primal-check v0.2.3
[INFO] [stderr]   Downloaded barcoders v0.10.0
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded primal-sieve v0.2.9
[INFO] [stderr]   Downloaded hamming v0.1.3
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b63c166780e93d6337d5862a6ad60da435314e7db7a6a2dcc5cdac73f1bcd6
[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" "90b63c166780e93d6337d5862a6ad60da435314e7db7a6a2dcc5cdac73f1bcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b63c166780e93d6337d5862a6ad60da435314e7db7a6a2dcc5cdac73f1bcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b63c166780e93d6337d5862a6ad60da435314e7db7a6a2dcc5cdac73f1bcd6", kill_on_drop: false }`
[INFO] [stdout] 90b63c166780e93d6337d5862a6ad60da435314e7db7a6a2dcc5cdac73f1bcd6
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1956c5479fc4bae1755ef3ca04063cf8866742649e2fa37c88fba4ba947b73f7
[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" "1956c5479fc4bae1755ef3ca04063cf8866742649e2fa37c88fba4ba947b73f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking barcoders v0.10.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking generate-barcodes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.09s
[INFO] running `Command { std: "docker" "inspect" "1956c5479fc4bae1755ef3ca04063cf8866742649e2fa37c88fba4ba947b73f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1956c5479fc4bae1755ef3ca04063cf8866742649e2fa37c88fba4ba947b73f7", kill_on_drop: false }`
[INFO] [stdout] 1956c5479fc4bae1755ef3ca04063cf8866742649e2fa37c88fba4ba947b73f7