[INFO] cloning repository https://github.com/axtloss/devcontainer-mngr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axtloss/devcontainer-mngr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxtloss%2Fdevcontainer-mngr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxtloss%2Fdevcontainer-mngr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afd67700dbeae81eeb28f6f5d7013833e1ed9607
[INFO] checking axtloss/devcontainer-mngr against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxtloss%2Fdevcontainer-mngr" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/axtloss/devcontainer-mngr
[INFO] finished tweaking git repo https://github.com/axtloss/devcontainer-mngr
[INFO] tweaked toml for git repo https://github.com/axtloss/devcontainer-mngr written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/axtloss/devcontainer-mngr on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/axtloss/devcontainer-mngr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.fetchurl
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391be944b9359c4e3bec91f3c4f79d8774852e80a24d2d84bbca75098e1a7021
[INFO] running `Command { std: "docker" "start" "-a" "391be944b9359c4e3bec91f3c4f79d8774852e80a24d2d84bbca75098e1a7021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391be944b9359c4e3bec91f3c4f79d8774852e80a24d2d84bbca75098e1a7021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391be944b9359c4e3bec91f3c4f79d8774852e80a24d2d84bbca75098e1a7021", kill_on_drop: false }`
[INFO] [stdout] 391be944b9359c4e3bec91f3c4f79d8774852e80a24d2d84bbca75098e1a7021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ea66ee7a5ff193b28c545f808e788c0f6e2d5f6803dceb8e8ad01165bb99f8f
[INFO] running `Command { std: "docker" "start" "-a" "0ea66ee7a5ff193b28c545f808e788c0f6e2d5f6803dceb8e8ad01165bb99f8f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.fetchurl
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking devcontainer-mngr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]  --> src/internal/returncode_eval.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::internal::{*, strings::*};
[INFO] [stdout]   |                       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]  --> src/internal/returncode_eval.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::internal::{*, strings::*};
[INFO] [stdout]   |                       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/functions/backup.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn backup(name: &str) {
[INFO] [stdout]   |               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/functions/backup.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn backup(name: &str) {
[INFO] [stdout]   |               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_repo` is never used
[INFO] [stdout]  --> src/internal/repos.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_repo() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `files_eval` is never used
[INFO] [stdout]   --> src/internal/returncode_eval.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn files_eval(return_code: std::result::Result<(), std::io::Error>, logmsg: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]   --> src/internal/strings.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn log(a: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `info` is never used
[INFO] [stdout]   --> src/internal/strings.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn info(a: String) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/internal/mod.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/internal/strings.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         uwu!(&a)
[INFO] [stdout]   |         -------- in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/mod.rs:8:27
[INFO] [stdout]    |
[INFO] [stdout]  8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internal/strings.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         uwu!(&a)
[INFO] [stdout]    |         -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/mod.rs:8:27
[INFO] [stdout]    |
[INFO] [stdout]  8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internal/strings.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         uwu!(&a)
[INFO] [stdout]    |         -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/mod.rs:8:27
[INFO] [stdout]    |
[INFO] [stdout]  8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internal/strings.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         uwu!(&a)
[INFO] [stdout]    |         -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_repo` is never used
[INFO] [stdout]  --> src/internal/repos.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_repo() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `files_eval` is never used
[INFO] [stdout]   --> src/internal/returncode_eval.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn files_eval(return_code: std::result::Result<(), std::io::Error>, logmsg: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]   --> src/internal/strings.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn log(a: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `info` is never used
[INFO] [stdout]   --> src/internal/strings.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn info(a: String) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/internal/mod.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/internal/strings.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         uwu!(&a)
[INFO] [stdout]   |         -------- in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/mod.rs:8:27
[INFO] [stdout]    |
[INFO] [stdout]  8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internal/strings.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         uwu!(&a)
[INFO] [stdout]    |         -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/mod.rs:8:27
[INFO] [stdout]    |
[INFO] [stdout]  8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internal/strings.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         uwu!(&a)
[INFO] [stdout]    |         -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/mod.rs:8:27
[INFO] [stdout]    |
[INFO] [stdout]  8 |         let uwu: String = String::from_str($x).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/internal/strings.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         uwu!(&a)
[INFO] [stdout]    |         -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `uwu` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devcontainer-mngr` (bin "devcontainer-mngr") due to 4 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `devcontainer-mngr` (bin "devcontainer-mngr" test) due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0ea66ee7a5ff193b28c545f808e788c0f6e2d5f6803dceb8e8ad01165bb99f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea66ee7a5ff193b28c545f808e788c0f6e2d5f6803dceb8e8ad01165bb99f8f", kill_on_drop: false }`
[INFO] [stdout] 0ea66ee7a5ff193b28c545f808e788c0f6e2d5f6803dceb8e8ad01165bb99f8f