[INFO] cloning repository https://github.com/ocrickard/circ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ocrickard/circ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focrickard%2Fcirc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focrickard%2Fcirc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3424007a5a1290d5cf5184ac08a4b629701f8cd
[INFO] testing ocrickard/circ against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focrickard%2Fcirc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ocrickard/circ on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ocrickard/circ
[INFO] finished tweaking git repo https://github.com/ocrickard/circ
[INFO] tweaked toml for git repo https://github.com/ocrickard/circ written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ocrickard/circ already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f920b24155c3f0216c7672bfe6686bc0919374141ee4338b2eb7ffdaa311a8bf
[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" "f920b24155c3f0216c7672bfe6686bc0919374141ee4338b2eb7ffdaa311a8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f920b24155c3f0216c7672bfe6686bc0919374141ee4338b2eb7ffdaa311a8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f920b24155c3f0216c7672bfe6686bc0919374141ee4338b2eb7ffdaa311a8bf", kill_on_drop: false }`
[INFO] [stdout] f920b24155c3f0216c7672bfe6686bc0919374141ee4338b2eb7ffdaa311a8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b94c2920240d9dc2566b9df4f8637921f168b9805a069db83642c0368fd2d0
[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" "77b94c2920240d9dc2566b9df4f8637921f168b9805a069db83642c0368fd2d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling ring v0.13.0-alpha5
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling circ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/digest.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / arg_enum! {
[INFO] [stdout] 13 | |   #[derive(Debug)]
[INFO] [stdout] 14 | |   pub enum Algorithm {
[INFO] [stdout] 15 | |     SHA1,
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |   }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/digest.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             error_msg = msg.description(),
[INFO] [stdout]    |                             ^^^^^^^^^^^
[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/digest.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |             error_msg = msg.description(),
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.93s
[INFO] running `Command { std: "docker" "inspect" "77b94c2920240d9dc2566b9df4f8637921f168b9805a069db83642c0368fd2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b94c2920240d9dc2566b9df4f8637921f168b9805a069db83642c0368fd2d0", kill_on_drop: false }`
[INFO] [stdout] 77b94c2920240d9dc2566b9df4f8637921f168b9805a069db83642c0368fd2d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", 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] 22d6a24779571f1abbbbe68630db3acdb40e04505967e7681c13a64cd91b68bc
[INFO] running `Command { std: "docker" "start" "-a" "22d6a24779571f1abbbbe68630db3acdb40e04505967e7681c13a64cd91b68bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling circ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/digest.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / arg_enum! {
[INFO] [stdout] 13 | |   #[derive(Debug)]
[INFO] [stdout] 14 | |   pub enum Algorithm {
[INFO] [stdout] 15 | |     SHA1,
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |   }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/digest.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             error_msg = msg.description(),
[INFO] [stdout]    |                             ^^^^^^^^^^^
[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/digest.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |             error_msg = msg.description(),
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "22d6a24779571f1abbbbe68630db3acdb40e04505967e7681c13a64cd91b68bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d6a24779571f1abbbbe68630db3acdb40e04505967e7681c13a64cd91b68bc", kill_on_drop: false }`
[INFO] [stdout] 22d6a24779571f1abbbbe68630db3acdb40e04505967e7681c13a64cd91b68bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f54b588fc1504136e3f6dba6b764a8a98c86dab362f600042650431311396b4e
[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" "f54b588fc1504136e3f6dba6b764a8a98c86dab362f600042650431311396b4e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]   --> src/digest.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / arg_enum! {
[INFO] [stderr] 13 | |   #[derive(Debug)]
[INFO] [stderr] 14 | |   pub enum Algorithm {
[INFO] [stderr] 15 | |     SHA1,
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |   }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/digest.rs:71:29
[INFO] [stderr]    |
[INFO] [stderr] 71 |             error_msg = msg.description(),
[INFO] [stderr]    |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/digest.rs:86:29
[INFO] [stderr]    |
[INFO] [stderr] 86 |             error_msg = msg.description(),
[INFO] [stderr]    |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circ-8bf6a57236ca79f8)
[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" "f54b588fc1504136e3f6dba6b764a8a98c86dab362f600042650431311396b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b588fc1504136e3f6dba6b764a8a98c86dab362f600042650431311396b4e", kill_on_drop: false }`
[INFO] [stdout] f54b588fc1504136e3f6dba6b764a8a98c86dab362f600042650431311396b4e