[INFO] fetching crate remote_shell 0.2.2...
[INFO] checking remote_shell-0.2.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate remote_shell 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate remote_shell 0.2.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remote_shell 0.2.2
[INFO] finished tweaking crates.io crate remote_shell 0.2.2
[INFO] tweaked toml for crates.io crate remote_shell 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate remote_shell 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded natsio v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f59beae28658af4939c80fe7667eb7431959c69b181f32a6304c2260a48d1f25
[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" "f59beae28658af4939c80fe7667eb7431959c69b181f32a6304c2260a48d1f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f59beae28658af4939c80fe7667eb7431959c69b181f32a6304c2260a48d1f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59beae28658af4939c80fe7667eb7431959c69b181f32a6304c2260a48d1f25", kill_on_drop: false }`
[INFO] [stdout] f59beae28658af4939c80fe7667eb7431959c69b181f32a6304c2260a48d1f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deeb0e6e1d11e8910d9fb0deca40dfd79a999c153490912dcf3fa03576505f57
[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" "deeb0e6e1d11e8910d9fb0deca40dfd79a999c153490912dcf3fa03576505f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
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[INFO] [stderr]    Compiling syn v1.0.30
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[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling pin-project-internal v0.4.22
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[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking once_cell v1.4.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling serde_derive v1.0.111
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[INFO] [stderr]     Checking remote_shell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_dispatch.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `url` is never read
[INFO] [stdout]   --> src/common/define.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut url = "".to_string();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/common/define.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Err(e) => Err(anyhow!("error={}",&res1)),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_dispatch.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `url` is never read
[INFO] [stdout]   --> src/common/define.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut url = "".to_string();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/common/define.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Err(e) => Err(anyhow!("error={}",&res1)),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         match cmd.as_str() {
[INFO] [stdout] 57 | |             "" => cmd_empty(),
[INFO] [stdout] 58 | |             CMD_SEND => send_file(&input, &slave),
[INFO] [stdout] 59 | |             CMD_REC => receive_file(&input, &slave),
[INFO] [stdout] 60 | |             CMD_SEND_ALL => send_all(&input, &slave),
[INFO] [stdout] 61 | |             _ => other_cmd(&input, &slave,wait),
[INFO] [stdout] 62 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/host/dyn_send.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         post_order(API_REQ,&ord);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | /         match cmd.as_str() {
[INFO] [stdout] 57 | |             "" => cmd_empty(),
[INFO] [stdout] 58 | |             CMD_SEND => send_file(&input, &slave),
[INFO] [stdout] 59 | |             CMD_REC => receive_file(&input, &slave),
[INFO] [stdout] 60 | |             CMD_SEND_ALL => send_all(&input, &slave),
[INFO] [stdout] 61 | |             _ => other_cmd(&input, &slave,wait),
[INFO] [stdout] 62 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/host/dyn_send.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         post_order(API_REQ,&ord);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "deeb0e6e1d11e8910d9fb0deca40dfd79a999c153490912dcf3fa03576505f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deeb0e6e1d11e8910d9fb0deca40dfd79a999c153490912dcf3fa03576505f57", kill_on_drop: false }`
[INFO] [stdout] deeb0e6e1d11e8910d9fb0deca40dfd79a999c153490912dcf3fa03576505f57