[INFO] cloning repository https://github.com/item4net/holiday_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/item4net/holiday_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitem4net%2Fholiday_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitem4net%2Fholiday_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a437c3cf97e4cb9cbeca3dcbdf3fbb1df9a462
[INFO] checking item4net/holiday_gen against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitem4net%2Fholiday_gen" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/item4net/holiday_gen on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/item4net/holiday_gen
[INFO] finished tweaking git repo https://github.com/item4net/holiday_gen
[INFO] tweaked toml for git repo https://github.com/item4net/holiday_gen written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/item4net/holiday_gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 164f98dc1bbefeef26727a3226a76ff15f17cf3f0b08858fcc9fef09b3719465
[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" "164f98dc1bbefeef26727a3226a76ff15f17cf3f0b08858fcc9fef09b3719465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164f98dc1bbefeef26727a3226a76ff15f17cf3f0b08858fcc9fef09b3719465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164f98dc1bbefeef26727a3226a76ff15f17cf3f0b08858fcc9fef09b3719465", kill_on_drop: false }`
[INFO] [stdout] 164f98dc1bbefeef26727a3226a76ff15f17cf3f0b08858fcc9fef09b3719465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 41217688293a209df5f927bf299f82fb4e5c763ebf78da212a6983f9cac6b8de
[INFO] running `Command { std: "docker" "start" "-a" "41217688293a209df5f927bf299f82fb4e5c763ebf78da212a6983f9cac6b8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking holiday_gen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "41217688293a209df5f927bf299f82fb4e5c763ebf78da212a6983f9cac6b8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41217688293a209df5f927bf299f82fb4e5c763ebf78da212a6983f9cac6b8de", kill_on_drop: false }`
[INFO] [stdout] 41217688293a209df5f927bf299f82fb4e5c763ebf78da212a6983f9cac6b8de