[INFO] cloning repository https://github.com/jaemk/rv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaemk/rv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4bde319541b5b5f71edd0bf40b04b4a65cae09c0 [INFO] testing jaemk/rv against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frv" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaemk/rv on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jaemk/rv [INFO] finished tweaking git repo https://github.com/jaemk/rv [INFO] tweaked toml for git repo https://github.com/jaemk/rv written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jaemk/rv already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-segmentation v1.2.0 [INFO] [stderr] Downloaded clap v2.24.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 320f2b10e01c35e52279847b152745e8a7a2ebe6f9dab813525031849f6f5b24 [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" "320f2b10e01c35e52279847b152745e8a7a2ebe6f9dab813525031849f6f5b24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "320f2b10e01c35e52279847b152745e8a7a2ebe6f9dab813525031849f6f5b24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "320f2b10e01c35e52279847b152745e8a7a2ebe6f9dab813525031849f6f5b24", kill_on_drop: false }` [INFO] [stdout] 320f2b10e01c35e52279847b152745e8a7a2ebe6f9dab813525031849f6f5b24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e807ca8a0ce2f22a16ceaad0e3b8b93d90421bfc15d2a71d3d134e013a218d77 [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" "e807ca8a0ce2f22a16ceaad0e3b8b93d90421bfc15d2a71d3d134e013a218d77", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.23 [INFO] [stderr] Compiling bitflags v0.8.2 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling term_size v0.3.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling clap v2.24.2 [INFO] [stderr] Compiling rv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/main.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader, BufWriter, Write}; [INFO] [stdout] | ----- the item `Write` is already imported here [INFO] [stdout] ... [INFO] [stdout] 64 | use ::std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:100:30 [INFO] [stdout] | [INFO] [stdout] 100 | let mut buf_rdr: Box = if let Some(f) = file_name { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.45s [INFO] running `Command { std: "docker" "inspect" "e807ca8a0ce2f22a16ceaad0e3b8b93d90421bfc15d2a71d3d134e013a218d77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e807ca8a0ce2f22a16ceaad0e3b8b93d90421bfc15d2a71d3d134e013a218d77", kill_on_drop: false }` [INFO] [stdout] e807ca8a0ce2f22a16ceaad0e3b8b93d90421bfc15d2a71d3d134e013a218d77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 990a3f48a779425885d250b5c99b3bb8a7f8a03cacb1f8a4d5edeb3ebd4d1146 [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" "990a3f48a779425885d250b5c99b3bb8a7f8a03cacb1f8a4d5edeb3ebd4d1146", kill_on_drop: false }` [INFO] [stderr] Compiling rv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/main.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, BufRead, BufReader, BufWriter, Write}; [INFO] [stdout] | ----- the item `Write` is already imported here [INFO] [stdout] ... [INFO] [stdout] 64 | use ::std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:100:30 [INFO] [stdout] | [INFO] [stdout] 100 | let mut buf_rdr: Box = if let Some(f) = file_name { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "990a3f48a779425885d250b5c99b3bb8a7f8a03cacb1f8a4d5edeb3ebd4d1146", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "990a3f48a779425885d250b5c99b3bb8a7f8a03cacb1f8a4d5edeb3ebd4d1146", kill_on_drop: false }` [INFO] [stdout] 990a3f48a779425885d250b5c99b3bb8a7f8a03cacb1f8a4d5edeb3ebd4d1146 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] eab736f5c6ebae605e40461b5782d01032009c0c10e7ddd04f2ce1f44cdb7a5f [INFO] running `Command { std: "docker" "start" "-a" "eab736f5c6ebae605e40461b5782d01032009c0c10e7ddd04f2ce1f44cdb7a5f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: the item `Write` is imported redundantly [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:64:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 5 | use std::io::{self, BufRead, BufReader, BufWriter, Write}; [INFO] [stdout] [INFO] [stderr] | ----- the item `Write` is already imported here [INFO] [stderr] ... [INFO] [stderr] 64 | use ::std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:100:30 [INFO] [stderr] | [INFO] [stderr] 100 | let mut buf_rdr: Box = if let Some(f) = file_name { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rv-d62356717db013b8) [INFO] running `Command { std: "docker" "inspect" "eab736f5c6ebae605e40461b5782d01032009c0c10e7ddd04f2ce1f44cdb7a5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eab736f5c6ebae605e40461b5782d01032009c0c10e7ddd04f2ce1f44cdb7a5f", kill_on_drop: false }` [INFO] [stdout] eab736f5c6ebae605e40461b5782d01032009c0c10e7ddd04f2ce1f44cdb7a5f