[INFO] cloning repository https://github.com/coreos/update-ssh-keys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coreos/update-ssh-keys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fupdate-ssh-keys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fupdate-ssh-keys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cf50f23559da4b3f71a2e91bb6f73780436d87f
[INFO] checking coreos/update-ssh-keys against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fupdate-ssh-keys" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreos/update-ssh-keys on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coreos/update-ssh-keys
[INFO] finished tweaking git repo https://github.com/coreos/update-ssh-keys
[INFO] tweaked toml for git repo https://github.com/coreos/update-ssh-keys written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/coreos/update-ssh-keys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded openssh-keys v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", 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] c9d3fa8d645c5ff349058ebe8c5746787b5a747bd6bb3ee83d7e9af92b1daf64
[INFO] running `Command { std: "docker" "start" "-a" "c9d3fa8d645c5ff349058ebe8c5746787b5a747bd6bb3ee83d7e9af92b1daf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d3fa8d645c5ff349058ebe8c5746787b5a747bd6bb3ee83d7e9af92b1daf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d3fa8d645c5ff349058ebe8c5746787b5a747bd6bb3ee83d7e9af92b1daf64", kill_on_drop: false }`
[INFO] [stdout] c9d3fa8d645c5ff349058ebe8c5746787b5a747bd6bb3ee83d7e9af92b1daf64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a481eddae4615627b62747cda94a7f298c8d40dbf25d11aaac5c3879949a4c66
[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" "a481eddae4615627b62747cda94a7f298c8d40dbf25d11aaac5c3879949a4c66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking openssh-keys v0.4.2
[INFO] [stderr]     Checking update-ssh-keys v0.7.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/compat_python.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 15 | |             "\nstdout: {}\nstderr: {}",
[INFO] [stdout] 16 | |             String::from_utf8_lossy(&result.stdout),
[INFO] [stdout] 17 | |             String::from_utf8_lossy(&result.stderr)
[INFO] [stdout] 18 | |         ));
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "a481eddae4615627b62747cda94a7f298c8d40dbf25d11aaac5c3879949a4c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a481eddae4615627b62747cda94a7f298c8d40dbf25d11aaac5c3879949a4c66", kill_on_drop: false }`
[INFO] [stdout] a481eddae4615627b62747cda94a7f298c8d40dbf25d11aaac5c3879949a4c66