[INFO] cloning repository https://github.com/eminence/snapshot_trim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eminence/snapshot_trim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fsnapshot_trim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fsnapshot_trim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1bb505cdca364d322f9268fbc7a284734044a4b [INFO] checking eminence/snapshot_trim against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fsnapshot_trim" "/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/eminence/snapshot_trim on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eminence/snapshot_trim [INFO] finished tweaking git repo https://github.com/eminence/snapshot_trim [INFO] tweaked toml for git repo https://github.com/eminence/snapshot_trim written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/eminence/snapshot_trim already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e4330a681a4b1d02bc94db1ed501d6070fc951e0f74ab64fcb0ad604b9aebc4 [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" "0e4330a681a4b1d02bc94db1ed501d6070fc951e0f74ab64fcb0ad604b9aebc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e4330a681a4b1d02bc94db1ed501d6070fc951e0f74ab64fcb0ad604b9aebc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e4330a681a4b1d02bc94db1ed501d6070fc951e0f74ab64fcb0ad604b9aebc4", kill_on_drop: false }` [INFO] [stdout] 0e4330a681a4b1d02bc94db1ed501d6070fc951e0f74ab64fcb0ad604b9aebc4 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] a65e4ca3fe55c54d28068e9542f47efd234542f3b5aef6902ad44c8d0f2abb78 [INFO] running `Command { std: "docker" "start" "-a" "a65e4ca3fe55c54d28068e9542f47efd234542f3b5aef6902ad44c8d0f2abb78", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking serde v1.0.24 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking docopt v0.8.1 [INFO] [stderr] Checking snapshot_trim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | Err(e) => panic!(format!("{} - {}", e, snap)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 35 - Err(e) => panic!(format!("{} - {}", e, snap)), [INFO] [stdout] 35 + Err(e) => panic!("{} - {}", e, snap), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/main.rs:200:17 [INFO] [stdout] | [INFO] [stdout] 200 | panic!("{} Error: ~/.snapshot.toml doesn't exist"); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 200 | panic!("{} Error: ~/.snapshot.toml doesn't exist", ...); [INFO] [stdout] | +++++ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 200 | panic!("{}", "{} Error: ~/.snapshot.toml doesn't exist"); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | Err(e) => panic!(format!("{} - {}", e, snap)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 35 - Err(e) => panic!(format!("{} - {}", e, snap)), [INFO] [stdout] 35 + Err(e) => panic!("{} - {}", e, snap), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/main.rs:200:17 [INFO] [stdout] | [INFO] [stdout] 200 | panic!("{} Error: ~/.snapshot.toml doesn't exist"); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 200 | panic!("{} Error: ~/.snapshot.toml doesn't exist", ...); [INFO] [stdout] | +++++ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 200 | panic!("{}", "{} Error: ~/.snapshot.toml doesn't exist"); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | write!(fmt, "", self.snap, self.state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | write!(fmt, "", self.snap, self.state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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 21.65s [INFO] running `Command { std: "docker" "inspect" "a65e4ca3fe55c54d28068e9542f47efd234542f3b5aef6902ad44c8d0f2abb78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a65e4ca3fe55c54d28068e9542f47efd234542f3b5aef6902ad44c8d0f2abb78", kill_on_drop: false }` [INFO] [stdout] a65e4ca3fe55c54d28068e9542f47efd234542f3b5aef6902ad44c8d0f2abb78