[INFO] fetching crate playdate-device 0.2.16...
[INFO] building playdate-device-0.2.16 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate playdate-device 0.2.16 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate playdate-device 0.2.16
[INFO] finished tweaking crates.io crate playdate-device 0.2.16
[INFO] tweaked toml for crates.io crate playdate-device 0.2.16 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate playdate-device 0.2.16 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate playdate-device 0.2.16 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 464b5083f8e93a446ba5d095015495e506eddab31ccb636bf0c2d4d56d24f6ef
[INFO] running `Command { std: "docker" "start" "-a" "464b5083f8e93a446ba5d095015495e506eddab31ccb636bf0c2d4d56d24f6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "464b5083f8e93a446ba5d095015495e506eddab31ccb636bf0c2d4d56d24f6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464b5083f8e93a446ba5d095015495e506eddab31ccb636bf0c2d4d56d24f6ef", kill_on_drop: false }`
[INFO] [stdout] 464b5083f8e93a446ba5d095015495e506eddab31ccb636bf0c2d4d56d24f6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e8ced7d7dce776f9f0576be20cca2297dcec41e72b867967d10c6638e0815d
[INFO] running `Command { std: "docker" "start" "-a" "13e8ced7d7dce776f9f0576be20cca2297dcec41e72b867967d10c6638e0815d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling syn v2.0.100
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[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
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[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling playdate-device v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/mount/linux.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::IntoFuture`
[INFO] [stdout]  --> src/mount/linux.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::future::IntoFuture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mount/linux.rs:304:6
[INFO] [stdout]     |
[INFO] [stdout] 304 |     let mut devs = devs.into_iter().filter_map(|dev| {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dev_sysfs` is never read
[INFO] [stdout]   --> src/mount/linux.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Volume {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     dev_sysfs: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Volume` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `udisks_power_off` is never used
[INFO] [stdout]    --> src/mount/linux.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn udisks_power_off(vol: &Volume) -> std::process::Command {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.02s
[INFO] running `Command { std: "docker" "inspect" "13e8ced7d7dce776f9f0576be20cca2297dcec41e72b867967d10c6638e0815d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e8ced7d7dce776f9f0576be20cca2297dcec41e72b867967d10c6638e0815d", kill_on_drop: false }`
[INFO] [stdout] 13e8ced7d7dce776f9f0576be20cca2297dcec41e72b867967d10c6638e0815d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 416b906a44df8a18839978c6460874aa0f44463d0102e3dd418050ba76b4d0fd
[INFO] running `Command { std: "docker" "start" "-a" "416b906a44df8a18839978c6460874aa0f44463d0102e3dd418050ba76b4d0fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling playdate-device v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/mount/linux.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::IntoFuture`
[INFO] [stdout]  --> src/mount/linux.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::future::IntoFuture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mount/linux.rs:304:6
[INFO] [stdout]     |
[INFO] [stdout] 304 |     let mut devs = devs.into_iter().filter_map(|dev| {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dev_sysfs` is never read
[INFO] [stdout]   --> src/mount/linux.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Volume {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     dev_sysfs: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Volume` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `udisks_power_off` is never used
[INFO] [stdout]    --> src/mount/linux.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn udisks_power_off(vol: &Volume) -> std::process::Command {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/mount/linux.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::IntoFuture`
[INFO] [stdout]  --> src/mount/linux.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::future::IntoFuture;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mount/linux.rs:304:6
[INFO] [stdout]     |
[INFO] [stdout] 304 |     let mut devs = devs.into_iter().filter_map(|dev| {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dev_sysfs` is never read
[INFO] [stdout]   --> src/mount/linux.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Volume {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     dev_sysfs: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Volume` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `udisks_power_off` is never used
[INFO] [stdout]    --> src/mount/linux.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn udisks_power_off(vol: &Volume) -> std::process::Command {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "416b906a44df8a18839978c6460874aa0f44463d0102e3dd418050ba76b4d0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416b906a44df8a18839978c6460874aa0f44463d0102e3dd418050ba76b4d0fd", kill_on_drop: false }`
[INFO] [stdout] 416b906a44df8a18839978c6460874aa0f44463d0102e3dd418050ba76b4d0fd