[INFO] cloning repository https://github.com/andrewnester/rust-jsonm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewnester/rust-jsonm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewnester%2Frust-jsonm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewnester%2Frust-jsonm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52910b8793172aff38adca07dd8c9522a82633b2 [INFO] checking andrewnester/rust-jsonm against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewnester%2Frust-jsonm" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andrewnester/rust-jsonm on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andrewnester/rust-jsonm [INFO] finished tweaking git repo https://github.com/andrewnester/rust-jsonm [INFO] tweaked toml for git repo https://github.com/andrewnester/rust-jsonm written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/andrewnester/rust-jsonm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca4fe80aa351664be85596c4d99da4d05a5a4fa1d78fe7ce20cba462513e8d4f [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" "ca4fe80aa351664be85596c4d99da4d05a5a4fa1d78fe7ce20cba462513e8d4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca4fe80aa351664be85596c4d99da4d05a5a4fa1d78fe7ce20cba462513e8d4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca4fe80aa351664be85596c4d99da4d05a5a4fa1d78fe7ce20cba462513e8d4f", kill_on_drop: false }` [INFO] [stdout] ca4fe80aa351664be85596c4d99da4d05a5a4fa1d78fe7ce20cba462513e8d4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 1c16276a2241721c8ac33d4dbd5075cd3bdd5b9f5806ef60929fec2d81a422ae [INFO] running `Command { std: "docker" "start" "-a" "1c16276a2241721c8ac33d4dbd5075cd3bdd5b9f5806ef60929fec2d81a422ae", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking indexmap v1.0.1 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking serde_json v1.0.24 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking jsonm v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/packer.rs:59:32 [INFO] [stdout] | [INFO] [stdout] 59 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn 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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/unpacker.rs:44:32 [INFO] [stdout] | [INFO] [stdout] 44 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/packer.rs:59:32 [INFO] [stdout] | [INFO] [stdout] 59 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn 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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/unpacker.rs:44:32 [INFO] [stdout] | [INFO] [stdout] 44 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packer.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | Ok(mut result) => result, [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packer.rs:124:24 [INFO] [stdout] | [INFO] [stdout] 124 | Ok(mut result) => result, [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.55s [INFO] running `Command { std: "docker" "inspect" "1c16276a2241721c8ac33d4dbd5075cd3bdd5b9f5806ef60929fec2d81a422ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c16276a2241721c8ac33d4dbd5075cd3bdd5b9f5806ef60929fec2d81a422ae", kill_on_drop: false }` [INFO] [stdout] 1c16276a2241721c8ac33d4dbd5075cd3bdd5b9f5806ef60929fec2d81a422ae