[INFO] cloning repository https://github.com/Furisto/criu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Furisto/criu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuristo%2Fcriu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuristo%2Fcriu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76a06d0e67b90b89b8be80d0145c095cd01d381a
[INFO] testing Furisto/criu against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuristo%2Fcriu" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Furisto/criu on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Furisto/criu
[INFO] finished tweaking git repo https://github.com/Furisto/criu
[INFO] tweaked toml for git repo https://github.com/Furisto/criu written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/Furisto/criu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded prost v0.8.0
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded prost-derive v0.8.0
[INFO] [stderr]   Downloaded prost-types v0.8.0
[INFO] [stderr]   Downloaded prost-build v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c31851b8667c4256d756ef045331700d05f9df06b181c2228b489c1dea8e117
[INFO] running `Command { std: "docker" "start" "-a" "2c31851b8667c4256d756ef045331700d05f9df06b181c2228b489c1dea8e117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c31851b8667c4256d756ef045331700d05f9df06b181c2228b489c1dea8e117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c31851b8667c4256d756ef045331700d05f9df06b181c2228b489c1dea8e117", kill_on_drop: false }`
[INFO] [stdout] 2c31851b8667c4256d756ef045331700d05f9df06b181c2228b489c1dea8e117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d0174f0d36fa523d3255f0d6b6abc9e32b9f86b11359853402b2a5337c914e
[INFO] running `Command { std: "docker" "start" "-a" "90d0174f0d36fa523d3255f0d6b6abc9e32b9f86b11359853402b2a5337c914e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling criu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `criu_swrk`
[INFO] [stdout]   --> src/criu.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let criu_swrk = Command::new("criu")
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_criu_swrk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn pre_dump(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn restore(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn start_page_server(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::stdin`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{self, File}, io::stdin, os::unix::prelude::AsRawFd};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "90d0174f0d36fa523d3255f0d6b6abc9e32b9f86b11359853402b2a5337c914e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d0174f0d36fa523d3255f0d6b6abc9e32b9f86b11359853402b2a5337c914e", kill_on_drop: false }`
[INFO] [stdout] 90d0174f0d36fa523d3255f0d6b6abc9e32b9f86b11359853402b2a5337c914e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6725d420245379c641e62cb12df46deec43e32211e95132745635070c8131806
[INFO] running `Command { std: "docker" "start" "-a" "6725d420245379c641e62cb12df46deec43e32211e95132745635070c8131806", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling criu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `criu_swrk`
[INFO] [stdout]   --> src/criu.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let criu_swrk = Command::new("criu")
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_criu_swrk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn pre_dump(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn restore(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn start_page_server(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::stdin`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{self, File}, io::stdin, os::unix::prelude::AsRawFd};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `criu_swrk`
[INFO] [stdout]   --> src/criu.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let criu_swrk = Command::new("criu")
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_criu_swrk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn pre_dump(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn restore(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/criu.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn start_page_server(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.59s
[INFO] running `Command { std: "docker" "inspect" "6725d420245379c641e62cb12df46deec43e32211e95132745635070c8131806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6725d420245379c641e62cb12df46deec43e32211e95132745635070c8131806", kill_on_drop: false }`
[INFO] [stdout] 6725d420245379c641e62cb12df46deec43e32211e95132745635070c8131806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9d71a0480226611ad4fd16875d75c4e3aafb35fdb52b7fef39c54557211fbee
[INFO] running `Command { std: "docker" "start" "-a" "a9d71a0480226611ad4fd16875d75c4e3aafb35fdb52b7fef39c54557211fbee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `criu_swrk`
[INFO] [stderr]   --> src/criu.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let criu_swrk = Command::new("criu")
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_criu_swrk`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/criu.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn pre_dump(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/criu.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn restore(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/criu.rs:51:37
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn start_page_server(&self, options: &CriuOpts) -> Result<()> {
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr] warning: `criu` (lib) generated 4 warnings
[INFO] [stderr] warning: `criu` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: unused import: `io::stdin`
[INFO] [stderr]  --> src/main.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::{self, File}, io::stdin, os::unix::prelude::AsRawFd};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `criu` (bin "criu" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/criu-9d44f9b38cafb729)
[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 (/opt/rustwide/target/debug/deps/criu-cde33f554a254fae)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests criu
[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] [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" "a9d71a0480226611ad4fd16875d75c4e3aafb35fdb52b7fef39c54557211fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d71a0480226611ad4fd16875d75c4e3aafb35fdb52b7fef39c54557211fbee", kill_on_drop: false }`
[INFO] [stdout] a9d71a0480226611ad4fd16875d75c4e3aafb35fdb52b7fef39c54557211fbee