[INFO] cloning repository https://github.com/nfcaspers/rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nfcaspers/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfcaspers%2Frust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfcaspers%2Frust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7517dbd18a6e9a6cdcc465321426862dc799e7a [INFO] checking nfcaspers/rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfcaspers%2Frust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nfcaspers/rust on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nfcaspers/rust [INFO] finished tweaking git repo https://github.com/nfcaspers/rust [INFO] tweaked toml for git repo https://github.com/nfcaspers/rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/nfcaspers/rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 254180da4cc9d2cd43aa464a8e1c7b2df34f4472e6189a381ee455b6cdde1701 [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" "254180da4cc9d2cd43aa464a8e1c7b2df34f4472e6189a381ee455b6cdde1701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "254180da4cc9d2cd43aa464a8e1c7b2df34f4472e6189a381ee455b6cdde1701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "254180da4cc9d2cd43aa464a8e1c7b2df34f4472e6189a381ee455b6cdde1701", kill_on_drop: false }` [INFO] [stdout] 254180da4cc9d2cd43aa464a8e1c7b2df34f4472e6189a381ee455b6cdde1701 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] a2ac25388b9a4cf6a98e47ed16dc084462b40ea282cdef6031a5a179f57bb135 [INFO] running `Command { std: "docker" "start" "-a" "a2ac25388b9a4cf6a98e47ed16dc084462b40ea282cdef6031a5a179f57bb135", kill_on_drop: false }` [INFO] [stderr] Checking vector v0.1.0 (/opt/rustwide/workdir/std-data-structures/vector) [INFO] [stderr] Checking options v0.1.0 (/opt/rustwide/workdir/options) [INFO] [stderr] Checking box v0.1.0 (/opt/rustwide/workdir/smart-pointers/box) [INFO] [stderr] Checking unsafe v0.1.0 (/opt/rustwide/workdir/unsafe) [INFO] [stderr] Checking lifetimes v0.1.0 (/opt/rustwide/workdir/lifetimes) [INFO] [stderr] Checking public-private v0.1.0 (/opt/rustwide/workdir/public-private) [INFO] [stderr] Checking hw v0.1.0 (/opt/rustwide/workdir/hw) [INFO] [stderr] Checking lib-structure v0.1.0 (/opt/rustwide/workdir/lib-structure) [INFO] [stderr] Checking enums v0.1.0 (/opt/rustwide/workdir/enums) [INFO] [stderr] Checking rectangles v0.1.0 (/opt/rustwide/workdir/rectangles) [INFO] [stderr] Checking closures v0.1.0 (/opt/rustwide/workdir/closures) [INFO] [stderr] Checking operators v0.1.0 (/opt/rustwide/workdir/operators) [INFO] [stderr] Checking error v0.1.0 (/opt/rustwide/workdir/error) [INFO] [stderr] Checking rc v0.1.0 (/opt/rustwide/workdir/smart-pointers/rc) [INFO] [stderr] Checking match v0.1.0 (/opt/rustwide/workdir/match) [INFO] [stderr] Checking map v0.1.0 (/opt/rustwide/workdir/functional/map) [INFO] [stderr] Checking largest-number v0.1.0 (/opt/rustwide/workdir/largest-number) [INFO] [stderr] Checking hash-maps v0.1.0 (/opt/rustwide/workdir/std-data-structures/hash-maps) [INFO] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir/generics) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> error/src/main.rs:49:42 [INFO] [stdout] | [INFO] [stdout] 49 | fn handle_all_errors() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking cell v0.1.0 (/opt/rustwide/workdir/smart-pointers/cell) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/traits) [INFO] [stderr] Checking strings v0.1.0 (/opt/rustwide/workdir/std-data-structures/strings) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking functions v0.1.0 (/opt/rustwide/workdir/functional/functions) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> error/src/main.rs:49:42 [INFO] [stdout] | [INFO] [stdout] 49 | fn handle_all_errors() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.19s [INFO] running `Command { std: "docker" "inspect" "a2ac25388b9a4cf6a98e47ed16dc084462b40ea282cdef6031a5a179f57bb135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2ac25388b9a4cf6a98e47ed16dc084462b40ea282cdef6031a5a179f57bb135", kill_on_drop: false }` [INFO] [stdout] a2ac25388b9a4cf6a98e47ed16dc084462b40ea282cdef6031a5a179f57bb135