[INFO] cloning repository https://github.com/kamalmarhubi/containy-thing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamalmarhubi/containy-thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fcontainy-thing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fcontainy-thing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0548fd0edaf7f7d10a19cbd834abe78f548c8d0 [INFO] testing kamalmarhubi/containy-thing against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fcontainy-thing" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kamalmarhubi/containy-thing on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kamalmarhubi/containy-thing [INFO] finished tweaking git repo https://github.com/kamalmarhubi/containy-thing [INFO] tweaked toml for git repo https://github.com/kamalmarhubi/containy-thing written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/kamalmarhubi/containy-thing already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b340a0cd302ce3b8731e2014a7863b085156fa5ca09e7d5f7b629023de5deb2 [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" "1b340a0cd302ce3b8731e2014a7863b085156fa5ca09e7d5f7b629023de5deb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b340a0cd302ce3b8731e2014a7863b085156fa5ca09e7d5f7b629023de5deb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b340a0cd302ce3b8731e2014a7863b085156fa5ca09e7d5f7b629023de5deb2", kill_on_drop: false }` [INFO] [stdout] 1b340a0cd302ce3b8731e2014a7863b085156fa5ca09e7d5f7b629023de5deb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--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] f23d9fcca6cf676ff0a87206fe595246eb6977f90a442474661fee8acea483ec [INFO] running `Command { std: "docker" "start" "-a" "f23d9fcca6cf676ff0a87206fe595246eb6977f90a442474661fee8acea483ec", kill_on_drop: false }` [INFO] [stderr] Compiling winapi v0.2.6 [INFO] [stderr] Compiling ansi_term v0.8.0 [INFO] [stderr] Compiling either v1.0.1 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling term_size v0.1.1 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling kernel32-sys v0.2.1 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling itertools v0.5.5 [INFO] [stderr] Compiling clap v2.10.4 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling walkdir v0.1.5 [INFO] [stderr] Compiling tempdir v0.3.4 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling containy-thing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags` [INFO] [stdout] --> src/main.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS` [INFO] [stdout] --> src/main.rs:27:69 [INFO] [stdout] | [INFO] [stdout] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] 28 | CLONE_NEWIPC}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WalkDirIterator`, `WalkDir` [INFO] [stdout] --> src/main.rs:33:15 [INFO] [stdout] | [INFO] [stdout] 33 | use walkdir::{WalkDir, WalkDirIterator}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 183 | try!(pivot_root(".", old_root.path())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:180:20 [INFO] [stdout] | [INFO] [stdout] 180 | let old_root = try!(TempDir::new_in(check!(env::current_dir()), "old-root")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:209:5 [INFO] [stdout] | [INFO] [stdout] 209 | try!(uidmap.write(format!("0 {} 1", uid).as_bytes())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:201:22 [INFO] [stdout] | [INFO] [stdout] 201 | let mut uidmap = try!(OpenOptions::new() [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 50 - type Error = Box; [INFO] [stdout] 50 + type Error = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `gid` [INFO] [stdout] --> src/main.rs:113:15 [INFO] [stdout] | [INFO] [stdout] 113 | let (uid, gid) = (getuid(), getgid()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_gid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.32s [INFO] running `Command { std: "docker" "inspect" "f23d9fcca6cf676ff0a87206fe595246eb6977f90a442474661fee8acea483ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f23d9fcca6cf676ff0a87206fe595246eb6977f90a442474661fee8acea483ec", kill_on_drop: false }` [INFO] [stdout] f23d9fcca6cf676ff0a87206fe595246eb6977f90a442474661fee8acea483ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca8b5714373703d73ca7d19fb620dd69a528d08c47602119a0512de8e50f5c6c [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" "ca8b5714373703d73ca7d19fb620dd69a528d08c47602119a0512de8e50f5c6c", kill_on_drop: false }` [INFO] [stderr] Compiling containy-thing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags` [INFO] [stdout] --> src/main.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS` [INFO] [stdout] --> src/main.rs:27:69 [INFO] [stdout] | [INFO] [stdout] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] 28 | CLONE_NEWIPC}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WalkDirIterator`, `WalkDir` [INFO] [stdout] --> src/main.rs:33:15 [INFO] [stdout] | [INFO] [stdout] 33 | use walkdir::{WalkDir, WalkDirIterator}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 183 | try!(pivot_root(".", old_root.path())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:180:20 [INFO] [stdout] | [INFO] [stdout] 180 | let old_root = try!(TempDir::new_in(check!(env::current_dir()), "old-root")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:209:5 [INFO] [stdout] | [INFO] [stdout] 209 | try!(uidmap.write(format!("0 {} 1", uid).as_bytes())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:201:22 [INFO] [stdout] | [INFO] [stdout] 201 | let mut uidmap = try!(OpenOptions::new() [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | type Error = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 50 - type Error = Box; [INFO] [stdout] 50 + type Error = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `gid` [INFO] [stdout] --> src/main.rs:113:15 [INFO] [stdout] | [INFO] [stdout] 113 | let (uid, gid) = (getuid(), getgid()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_gid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "ca8b5714373703d73ca7d19fb620dd69a528d08c47602119a0512de8e50f5c6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca8b5714373703d73ca7d19fb620dd69a528d08c47602119a0512de8e50f5c6c", kill_on_drop: false }` [INFO] [stdout] ca8b5714373703d73ca7d19fb620dd69a528d08c47602119a0512de8e50f5c6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 0c39ce17d5b88e2450ec3306403dbefd366da2b80224c23bab025213bff995f5 [INFO] running `Command { std: "docker" "start" "-a" "0c39ce17d5b88e2450ec3306403dbefd366da2b80224c23bab025213bff995f5", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags` [INFO] [stderr] --> src/main.rs:26:34 [INFO] [stderr] | [INFO] [stderr] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS` [INFO] [stderr] --> src/main.rs:27:69 [INFO] [stderr] | [INFO] [stderr] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET, [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] 28 | CLONE_NEWIPC}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WalkDirIterator`, `WalkDir` [INFO] [stderr] --> src/main.rs:33:15 [INFO] [stderr] | [INFO] [stderr] 33 | use walkdir::{WalkDir, WalkDirIterator}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | try!(pivot_root(".", old_root.path())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:180:20 [INFO] [stderr] | [INFO] [stderr] 180 | let old_root = try!(TempDir::new_in(check!(env::current_dir()), "old-root")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:209:5 [INFO] [stderr] | [INFO] [stderr] 209 | try!(uidmap.write(format!("0 {} 1", uid).as_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:201:22 [INFO] [stderr] | [INFO] [stderr] 201 | let mut uidmap = try!(OpenOptions::new() [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:50:18 [INFO] [stderr] | [INFO] [stderr] 50 | type Error = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 50 - type Error = Box; [INFO] [stderr] 50 + type Error = Box; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `gid` [INFO] [stderr] --> src/main.rs:113:15 [INFO] [stderr] | [INFO] [stderr] 113 | let (uid, gid) = (getuid(), getgid()); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_gid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `containy-thing` (bin "containy-thing" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/containy_thing-947683f565e779e6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0c39ce17d5b88e2450ec3306403dbefd366da2b80224c23bab025213bff995f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c39ce17d5b88e2450ec3306403dbefd366da2b80224c23bab025213bff995f5", kill_on_drop: false }` [INFO] [stdout] 0c39ce17d5b88e2450ec3306403dbefd366da2b80224c23bab025213bff995f5