[INFO] fetching crate lxc_rust 0.1.2...
[INFO] testing lxc_rust-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate lxc_rust 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate lxc_rust 0.1.2
[INFO] finished tweaking crates.io crate lxc_rust 0.1.2
[INFO] tweaked toml for crates.io crate lxc_rust 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lxc_rust 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lxc_rust 0.1.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2b27bdf204d52e2f28f7b1f04ff88605018203bc148b3bdc53049d23166f7c2
[INFO] running `Command { std: "docker" "start" "-a" "a2b27bdf204d52e2f28f7b1f04ff88605018203bc148b3bdc53049d23166f7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b27bdf204d52e2f28f7b1f04ff88605018203bc148b3bdc53049d23166f7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b27bdf204d52e2f28f7b1f04ff88605018203bc148b3bdc53049d23166f7c2", kill_on_drop: false }`
[INFO] [stdout] a2b27bdf204d52e2f28f7b1f04ff88605018203bc148b3bdc53049d23166f7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59d2f1626aa5f15f667c4c139d826fb80b6fa293200e7f1b9ad39fda62815a98
[INFO] running `Command { std: "docker" "start" "-a" "59d2f1626aa5f15f667c4c139d826fb80b6fa293200e7f1b9ad39fda62815a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling lxc_rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lxc.rs:247:56
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn create_storage(storage: String, fs: String, args: Vec<String>) {
[INFO] [stdout]     |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "59d2f1626aa5f15f667c4c139d826fb80b6fa293200e7f1b9ad39fda62815a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d2f1626aa5f15f667c4c139d826fb80b6fa293200e7f1b9ad39fda62815a98", kill_on_drop: false }`
[INFO] [stdout] 59d2f1626aa5f15f667c4c139d826fb80b6fa293200e7f1b9ad39fda62815a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e936f62af23d66cfbccea8c04ff2ead470adee04284af347952a3dc8643b238f
[INFO] running `Command { std: "docker" "start" "-a" "e936f62af23d66cfbccea8c04ff2ead470adee04284af347952a3dc8643b238f", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lxc.rs:247:56
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn create_storage(storage: String, fs: String, args: Vec<String>) {
[INFO] [stdout]     |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lxc_rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lxc.rs:247:56
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn create_storage(storage: String, fs: String, args: Vec<String>) {
[INFO] [stdout]     |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e936f62af23d66cfbccea8c04ff2ead470adee04284af347952a3dc8643b238f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e936f62af23d66cfbccea8c04ff2ead470adee04284af347952a3dc8643b238f", kill_on_drop: false }`
[INFO] [stdout] e936f62af23d66cfbccea8c04ff2ead470adee04284af347952a3dc8643b238f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 746a4f629180edb728d55100c1bfdeb99e3d2080a8c845553da180f32b6487e4
[INFO] running `Command { std: "docker" "start" "-a" "746a4f629180edb728d55100c1bfdeb99e3d2080a8c845553da180f32b6487e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/lxc.rs:247:56
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn create_storage(storage: String, fs: String, args: Vec<String>) {
[INFO] [stderr]     |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lxc_rust` (lib) generated 1 warning
[INFO] [stderr] warning: `lxc_rust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lxc.rs (/opt/rustwide/target/debug/deps/lxc_rust-9d1f908dae5625d5)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lxc_rust-4ba991f7dfe0ffd4)
[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] [stderr]    Doc-tests lxc_rust
[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" "746a4f629180edb728d55100c1bfdeb99e3d2080a8c845553da180f32b6487e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746a4f629180edb728d55100c1bfdeb99e3d2080a8c845553da180f32b6487e4", kill_on_drop: false }`
[INFO] [stdout] 746a4f629180edb728d55100c1bfdeb99e3d2080a8c845553da180f32b6487e4