[INFO] cloning repository https://github.com/saiintbrisson/faux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saiintbrisson/faux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaiintbrisson%2Ffaux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaiintbrisson%2Ffaux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a816210d7e598295a65025a209dea6bdd45bdc99
[INFO] building saiintbrisson/faux against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaiintbrisson%2Ffaux" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saiintbrisson/faux on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saiintbrisson/faux
[INFO] finished tweaking git repo https://github.com/saiintbrisson/faux
[INFO] tweaked toml for git repo https://github.com/saiintbrisson/faux written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saiintbrisson/faux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/libp2p/rust-yamux`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e192d2ac05196c03bd32fff9596fbad19cb736e7fbf12923c3be2d4be98df9e
[INFO] running `Command { std: "docker" "start" "-a" "9e192d2ac05196c03bd32fff9596fbad19cb736e7fbf12923c3be2d4be98df9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e192d2ac05196c03bd32fff9596fbad19cb736e7fbf12923c3be2d4be98df9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e192d2ac05196c03bd32fff9596fbad19cb736e7fbf12923c3be2d4be98df9e", kill_on_drop: false }`
[INFO] [stdout] 9e192d2ac05196c03bd32fff9596fbad19cb736e7fbf12923c3be2d4be98df9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbd9e1172a52337f5ba98b17dff1e41dfae1b880cdd513d5a4429fbdb94b3814
[INFO] running `Command { std: "docker" "start" "-a" "cbd9e1172a52337f5ba98b17dff1e41dfae1b880cdd513d5a4429fbdb94b3814", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[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 futures-core v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling faux_core v0.1.0 (/opt/rustwide/workdir/faux_core)
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling yamux v0.10.0 (https://github.com/libp2p/rust-yamux?branch=develop#d3685da9)
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: fields `handshake` and `connection_set` are never read
[INFO] [stdout]   --> server/src/client.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     handshake: Handshake,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     connection_set: HashSet<Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EndConnection` is never constructed
[INFO] [stdout]   --> server/src/client.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Message {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 68 |     NewConnection(Connection),
[INFO] [stdout] 69 |     EndConnection(SocketAddr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_set` is never read
[INFO] [stdout]   --> server/src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     client_set: HashSet<Client>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.03s
[INFO] running `Command { std: "docker" "inspect" "cbd9e1172a52337f5ba98b17dff1e41dfae1b880cdd513d5a4429fbdb94b3814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd9e1172a52337f5ba98b17dff1e41dfae1b880cdd513d5a4429fbdb94b3814", kill_on_drop: false }`
[INFO] [stdout] cbd9e1172a52337f5ba98b17dff1e41dfae1b880cdd513d5a4429fbdb94b3814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362e49742dabc3b5abc5a9fbcc0fbddb9e6ba3dc9acdbc61b5d0fa0b9c941b90
[INFO] running `Command { std: "docker" "start" "-a" "362e49742dabc3b5abc5a9fbcc0fbddb9e6ba3dc9acdbc61b5d0fa0b9c941b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling faux_core v0.1.0 (/opt/rustwide/workdir/faux_core)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: fields `handshake` and `connection_set` are never read
[INFO] [stdout]   --> server/src/client.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     handshake: Handshake,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     connection_set: HashSet<Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EndConnection` is never constructed
[INFO] [stdout]   --> server/src/client.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Message {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 68 |     NewConnection(Connection),
[INFO] [stdout] 69 |     EndConnection(SocketAddr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_set` is never read
[INFO] [stdout]   --> server/src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     client_set: HashSet<Client>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "362e49742dabc3b5abc5a9fbcc0fbddb9e6ba3dc9acdbc61b5d0fa0b9c941b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362e49742dabc3b5abc5a9fbcc0fbddb9e6ba3dc9acdbc61b5d0fa0b9c941b90", kill_on_drop: false }`
[INFO] [stdout] 362e49742dabc3b5abc5a9fbcc0fbddb9e6ba3dc9acdbc61b5d0fa0b9c941b90