[INFO] cloning repository https://github.com/trayanr/fvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trayanr/fvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrayanr%2Ffvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrayanr%2Ffvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e363d79a68c84896469559b616e7eaa001c1c8f [INFO] checking trayanr/fvm against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrayanr%2Ffvm" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/trayanr/fvm 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/trayanr/fvm [INFO] finished tweaking git repo https://github.com/trayanr/fvm [INFO] tweaked toml for git repo https://github.com/trayanr/fvm written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/trayanr/fvm 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] Downloading crates ... [INFO] [stderr] Downloaded reqwest v0.11.2 [INFO] [stderr] Downloaded h2 v0.3.2 [INFO] [stderr] Downloaded tokio-util v0.6.5 [INFO] [stderr] Downloaded http-body v0.4.1 [INFO] [stderr] Downloaded hyper v0.14.5 [INFO] [stderr] Downloaded tokio v1.4.0 [INFO] [stderr] Downloaded lzma-sys v0.1.17 [INFO] [stderr] Downloaded xz v0.1.0 [INFO] [stderr] Downloaded xz2 v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 163436894efa6363afc92bb707e54b753bc94120a1fced7b6c1c6ff9e056792d [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" "163436894efa6363afc92bb707e54b753bc94120a1fced7b6c1c6ff9e056792d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "163436894efa6363afc92bb707e54b753bc94120a1fced7b6c1c6ff9e056792d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "163436894efa6363afc92bb707e54b753bc94120a1fced7b6c1c6ff9e056792d", kill_on_drop: false }` [INFO] [stdout] 163436894efa6363afc92bb707e54b753bc94120a1fced7b6c1c6ff9e056792d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 86fd3f9f23ff5a85ac5b3f3969547b07eaba39a694c2e149444e9eaa1cedc919 [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" "86fd3f9f23ff5a85ac5b3f3969547b07eaba39a694c2e149444e9eaa1cedc919", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lzma-sys v0.1.17 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking http-body v0.4.1 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking tar v0.4.33 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Checking xz2 v0.1.6 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking xz v0.1.0 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking pin-project v1.0.6 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking tokio-util v0.6.5 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking h2 v0.3.2 [INFO] [stderr] Checking hyper v0.14.5 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.2 [INFO] [stderr] Checking fvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `is_target_of_symlink` [INFO] [stdout] --> src/main.rs:8:31 [INFO] [stdout] | [INFO] [stdout] 8 | use symlink::{delete_symlink, is_target_of_symlink}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `releases::Release` [INFO] [stdout] --> src/alias.rs:1:55 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{installation_path::get_installation_path, releases::Release}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process::Command` [INFO] [stdout] --> src/doctor.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process::Command}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::releases::Channel` [INFO] [stdout] --> src/doctor.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::releases::Channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/symlink.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `is_target_of_symlink` [INFO] [stdout] --> src/main.rs:8:31 [INFO] [stdout] | [INFO] [stdout] 8 | use symlink::{delete_symlink, is_target_of_symlink}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `releases::Release` [INFO] [stdout] --> src/alias.rs:1:55 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{installation_path::get_installation_path, releases::Release}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process::Command` [INFO] [stdout] --> src/doctor.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, process::Command}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::releases::Channel` [INFO] [stdout] --> src/doctor.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::releases::Channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/symlink.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | Err(e) => {} //?? [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/alias.rs:29:24 [INFO] [stdout] | [INFO] [stdout] 29 | Ok(f) => AliasFile { aliases: vec![] }, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fp` [INFO] [stdout] --> src/symlink.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | Ok(fp) => true, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PathNotFound` [INFO] [stdout] --> src/doctor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | PathNotFound(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_flutter_path_correct` [INFO] [stdout] --> src/doctor.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn is_flutter_path_correct() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_it` [INFO] [stdout] --> src/doctor.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn find_it

(exe_name: P) -> Option [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_target_of_symlink` [INFO] [stdout] --> src/symlink.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn is_target_of_symlink(dir_name: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | Err(e) => {} //?? [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/alias.rs:29:24 [INFO] [stdout] | [INFO] [stdout] 29 | Ok(f) => AliasFile { aliases: vec![] }, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fp` [INFO] [stdout] --> src/symlink.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | Ok(fp) => true, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PathNotFound` [INFO] [stdout] --> src/doctor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | PathNotFound(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_flutter_path_correct` [INFO] [stdout] --> src/doctor.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn is_flutter_path_correct() -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_it` [INFO] [stdout] --> src/doctor.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn find_it

(exe_name: P) -> Option [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_target_of_symlink` [INFO] [stdout] --> src/symlink.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn is_target_of_symlink(dir_name: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "86fd3f9f23ff5a85ac5b3f3969547b07eaba39a694c2e149444e9eaa1cedc919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86fd3f9f23ff5a85ac5b3f3969547b07eaba39a694c2e149444e9eaa1cedc919", kill_on_drop: false }` [INFO] [stdout] 86fd3f9f23ff5a85ac5b3f3969547b07eaba39a694c2e149444e9eaa1cedc919