[INFO] cloning repository https://github.com/jasonwhite/ubercopy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasonwhite/ubercopy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwhite%2Fubercopy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwhite%2Fubercopy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04f369571b0fb60880771222583508a48e135d05
[INFO] checking jasonwhite/ubercopy against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonwhite%2Fubercopy" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasonwhite/ubercopy on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jasonwhite/ubercopy
[INFO] finished tweaking git repo https://github.com/jasonwhite/ubercopy
[INFO] tweaked toml for git repo https://github.com/jasonwhite/ubercopy written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jasonwhite/ubercopy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] d2d913ca30ff6272baa7bb3f51be85584427467e5f75913fd0ec2fa7abf26c1b
[INFO] running `Command { std: "docker" "start" "-a" "d2d913ca30ff6272baa7bb3f51be85584427467e5f75913fd0ec2fa7abf26c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d913ca30ff6272baa7bb3f51be85584427467e5f75913fd0ec2fa7abf26c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d913ca30ff6272baa7bb3f51be85584427467e5f75913fd0ec2fa7abf26c1b", kill_on_drop: false }`
[INFO] [stdout] d2d913ca30ff6272baa7bb3f51be85584427467e5f75913fd0ec2fa7abf26c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3d0b914460d138e15aa4a002c1863c3c4f665e2292e5817e3d50ca51a25bc5
[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" "da3d0b914460d138e15aa4a002c1863c3c4f665e2292e5817e3d50ca51a25bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Checking ordered-float v2.0.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]     Checking ubercopy v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:127:33
[INFO] [stdout]     |
[INFO] [stdout] 127 |         writeln!(f, "{}:", self.description())?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:127:33
[INFO] [stdout]     |
[INFO] [stdout] 127 |         writeln!(f, "{}:", self.description())?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "da3d0b914460d138e15aa4a002c1863c3c4f665e2292e5817e3d50ca51a25bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3d0b914460d138e15aa4a002c1863c3c4f665e2292e5817e3d50ca51a25bc5", kill_on_drop: false }`
[INFO] [stdout] da3d0b914460d138e15aa4a002c1863c3c4f665e2292e5817e3d50ca51a25bc5