[INFO] cloning repository https://github.com/andrewdavidmackenzie/zmq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewdavidmackenzie/zmq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Fzmq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Fzmq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e199f2599152704aad781e7571178eaee8c6ca8d
[INFO] testing andrewdavidmackenzie/zmq against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewdavidmackenzie%2Fzmq" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewdavidmackenzie/zmq on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewdavidmackenzie/zmq
[INFO] finished tweaking git repo https://github.com/andrewdavidmackenzie/zmq
[INFO] tweaked toml for git repo https://github.com/andrewdavidmackenzie/zmq written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewdavidmackenzie/zmq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c866e183bf666481e3c503d9a3dac1fe0d9e79e25283b515568cabdec45d274c
[INFO] running `Command { std: "docker" "start" "-a" "c866e183bf666481e3c503d9a3dac1fe0d9e79e25283b515568cabdec45d274c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c866e183bf666481e3c503d9a3dac1fe0d9e79e25283b515568cabdec45d274c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c866e183bf666481e3c503d9a3dac1fe0d9e79e25283b515568cabdec45d274c", kill_on_drop: false }`
[INFO] [stdout] c866e183bf666481e3c503d9a3dac1fe0d9e79e25283b515568cabdec45d274c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d21bfeb364b33641a985a3d6355ba656052cbe9e9a24b07ab339dd3d6346e58
[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" "7d21bfeb364b33641a985a3d6355ba656052cbe9e9a24b07ab339dd3d6346e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling zmq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut msg = requester.recv_msg(0).unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut msg = responder.recv_msg(0).unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 35.57s
[INFO] running `Command { std: "docker" "inspect" "7d21bfeb364b33641a985a3d6355ba656052cbe9e9a24b07ab339dd3d6346e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d21bfeb364b33641a985a3d6355ba656052cbe9e9a24b07ab339dd3d6346e58", kill_on_drop: false }`
[INFO] [stdout] 7d21bfeb364b33641a985a3d6355ba656052cbe9e9a24b07ab339dd3d6346e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 818fa98ce1770a17687647cb78592fb6a59ee557d858853402ca4af097295af1
[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" "818fa98ce1770a17687647cb78592fb6a59ee557d858853402ca4af097295af1", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut msg = requester.recv_msg(0).unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut msg = responder.recv_msg(0).unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "818fa98ce1770a17687647cb78592fb6a59ee557d858853402ca4af097295af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818fa98ce1770a17687647cb78592fb6a59ee557d858853402ca4af097295af1", kill_on_drop: false }`
[INFO] [stdout] 818fa98ce1770a17687647cb78592fb6a59ee557d858853402ca4af097295af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 3fe663202474610021b910c6457839d6c561a71b872e5959749806891e4c2aa6
[INFO] running `Command { std: "docker" "start" "-a" "3fe663202474610021b910c6457839d6c561a71b872e5959749806891e4c2aa6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/server.rs:20:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 20 |         let mut msg = responder.recv_msg(0).unwrap();
[INFO] [stdout] 
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/client.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut msg = requester.recv_msg(0).unwrap();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client-bd4efc6a4420ad80
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/server-029864bef0c8e6bb
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fe663202474610021b910c6457839d6c561a71b872e5959749806891e4c2aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe663202474610021b910c6457839d6c561a71b872e5959749806891e4c2aa6", kill_on_drop: false }`
[INFO] [stdout] 3fe663202474610021b910c6457839d6c561a71b872e5959749806891e4c2aa6