[INFO] updating cached repository https://github.com/grahame/dividebatur2 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cfb61a616ded333aa58a76f974e14e58b4d4bc99 [INFO] checking grahame/dividebatur2 against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahame%2Fdividebatur2" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grahame/dividebatur2 on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/grahame/dividebatur2 [INFO] finished tweaking git repo https://github.com/grahame/dividebatur2 [INFO] tweaked toml for git repo https://github.com/grahame/dividebatur2 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/grahame/dividebatur2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b288738e69b7e592c3f46593e1be4f731ab8c277d82f4fb00e9ddf09cfcd7dc1 [INFO] running `"docker" "start" "-a" "b288738e69b7e592c3f46593e1be4f731ab8c277d82f4fb00e9ddf09cfcd7dc1"` [INFO] [stderr] Checking miniz_oxide v0.3.4 [INFO] [stderr] Checking flate2 v1.0.12 [INFO] [stderr] Checking dividebatur v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/candidates.rs:42:81 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/formalpreferences.rs:108:89 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/candidates.rs:42:81 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/formalpreferences.rs:108:89 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/candidates.rs:42:81 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/formalpreferences.rs:108:89 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/candidates.rs:42:81 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn load(filename: &str, state: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/aec/data/formalpreferences.rs:108:89 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn load(filename: &str, candidates: &CandidateData) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.79s [INFO] running `"docker" "inspect" "b288738e69b7e592c3f46593e1be4f731ab8c277d82f4fb00e9ddf09cfcd7dc1"` [INFO] running `"docker" "rm" "-f" "b288738e69b7e592c3f46593e1be4f731ab8c277d82f4fb00e9ddf09cfcd7dc1"` [INFO] [stdout] b288738e69b7e592c3f46593e1be4f731ab8c277d82f4fb00e9ddf09cfcd7dc1