[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] checking jaemk/rv against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frv" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaemk/rv on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5e20f914d0dfd0105d71f2f65ccbeb5683650dcec93688f7345e3caa88f96d9 [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" "c5e20f914d0dfd0105d71f2f65ccbeb5683650dcec93688f7345e3caa88f96d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5e20f914d0dfd0105d71f2f65ccbeb5683650dcec93688f7345e3caa88f96d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5e20f914d0dfd0105d71f2f65ccbeb5683650dcec93688f7345e3caa88f96d9", kill_on_drop: false }` [INFO] [stdout] c5e20f914d0dfd0105d71f2f65ccbeb5683650dcec93688f7345e3caa88f96d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4af7b8fb8628ebed6b9fedbde51b75bbd2fa5158ddaa1444ee41c37acc3bf05a [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" "4af7b8fb8628ebed6b9fedbde51b75bbd2fa5158ddaa1444ee41c37acc3bf05a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking unicode-segmentation v1.2.0 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking clap v2.24.2 [INFO] [stderr] Checking 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: 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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.97s [INFO] running `Command { std: "docker" "inspect" "4af7b8fb8628ebed6b9fedbde51b75bbd2fa5158ddaa1444ee41c37acc3bf05a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4af7b8fb8628ebed6b9fedbde51b75bbd2fa5158ddaa1444ee41c37acc3bf05a", kill_on_drop: false }` [INFO] [stdout] 4af7b8fb8628ebed6b9fedbde51b75bbd2fa5158ddaa1444ee41c37acc3bf05a