[INFO] fetching crate usbapi 0.2.1...
[INFO] testing usbapi-0.2.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate usbapi 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate usbapi 0.2.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbapi 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate usbapi 0.2.1
[INFO] tweaked toml for crates.io crate usbapi 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate usbapi 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.47.0" "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] 246eed320c9d7e197177a6f9297e9fa8df0a2baba026ab8fccd5a8a5d33116bd
[INFO] running `Command { std: "docker" "start" "-a" "246eed320c9d7e197177a6f9297e9fa8df0a2baba026ab8fccd5a8a5d33116bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246eed320c9d7e197177a6f9297e9fa8df0a2baba026ab8fccd5a8a5d33116bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246eed320c9d7e197177a6f9297e9fa8df0a2baba026ab8fccd5a8a5d33116bd", kill_on_drop: false }`
[INFO] [stdout] 246eed320c9d7e197177a6f9297e9fa8df0a2baba026ab8fccd5a8a5d33116bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e42eab47c1dbb410d6ae6485ec148e4557e86f93a8f0dba5d9fa104eb28dfb
[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" "d9e42eab47c1dbb410d6ae6485ec148e4557e86f93a8f0dba5d9fa104eb28dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling array-init v0.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling sysfs-serde v0.2.0
[INFO] [stderr]    Compiling serde-hex v0.1.0
[INFO] [stderr]    Compiling usbapi v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/os/linux/usbfs.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let mut ptr = unsafe {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.25s
[INFO] running `Command { std: "docker" "inspect" "d9e42eab47c1dbb410d6ae6485ec148e4557e86f93a8f0dba5d9fa104eb28dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e42eab47c1dbb410d6ae6485ec148e4557e86f93a8f0dba5d9fa104eb28dfb", kill_on_drop: false }`
[INFO] [stdout] d9e42eab47c1dbb410d6ae6485ec148e4557e86f93a8f0dba5d9fa104eb28dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8198853e1b24128e1d84c969dad9362979e2f0ff4ddaed335e75a4262d983c74
[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" "8198853e1b24128e1d84c969dad9362979e2f0ff4ddaed335e75a4262d983c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/os/linux/usbfs.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let mut ptr = unsafe {
[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] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling usbapi v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/enumerate.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut usb = UsbEnumerate::from_sysfs().expect("Could not find /dev/bus/usb are you running windows or maybe freebsd or mac or... wh...
[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/os/linux/usbfs.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let mut ptr = unsafe {
[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 6.43s
[INFO] running `Command { std: "docker" "inspect" "8198853e1b24128e1d84c969dad9362979e2f0ff4ddaed335e75a4262d983c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8198853e1b24128e1d84c969dad9362979e2f0ff4ddaed335e75a4262d983c74", kill_on_drop: false }`
[INFO] [stdout] 8198853e1b24128e1d84c969dad9362979e2f0ff4ddaed335e75a4262d983c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97fcdc5e9fe0c6ed854a044d11a4fb50078dff9144dddb680a4a1c2c918d1a78
[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" "97fcdc5e9fe0c6ed854a044d11a4fb50078dff9144dddb680a4a1c2c918d1a78", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/os/linux/usbfs.rs:579:13
[INFO] [stderr]     |
[INFO] [stderr] 579 |         let mut ptr = unsafe {
[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/os/linux/usbfs.rs:579:13
[INFO] [stderr]     |
[INFO] [stderr] 579 |         let mut ptr = unsafe {
[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]  --> examples/enumerate.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut usb = UsbEnumerate::from_sysfs().expect("Could not find /dev/bus/usb are you running windows or maybe freebsd or mac or... wh...
[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/usbapi-3ccafb24ddf40044
[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] [stderr]    Doc-tests usbapi
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response (line 382) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::claim_interface (line 415) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::release_interface (line 466) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::control (line 483) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response (line 382) stdout ----
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]  --> src/os/linux/usbfs.rs:384:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | let urb = usb.async_response()
[INFO] [stdout]   |                               ^ help: add `;` here
[INFO] [stdout] 5 | }
[INFO] [stdout]   | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:383:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut urb = usb.new_bulk(1, 64);
[INFO] [stdout]   |               ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:384:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | let urb = usb.async_response()
[INFO] [stdout]   |           ^^^ help: a local variable with a similar name exists: `urb`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::claim_interface (line 415) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:416:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.claim_interface(1)
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::release_interface (line 466) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:467:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.release_interface(1)
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::control (line 483) stdout ----
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `;`
[INFO] [stdout]  --> src/os/linux/usbfs.rs:484:63
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.control(ControlTransfer::new(0x21, 0x20, 0, 0, None, 1000);
[INFO] [stdout]   |            - unclosed delimiter                               ^ help: `)` may belong here
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `)`
[INFO] [stdout]  --> src/os/linux/usbfs.rs:485:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | }
[INFO] [stdout]   | ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:484:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.control(ControlTransfer::new(0x21, 0x20, 0, 0, None, 1000);
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `ControlTransfer`
[INFO] [stdout]  --> src/os/linux/usbfs.rs:484:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.control(ControlTransfer::new(0x21, 0x20, 0, 0, None, 1000);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use usbapi::ControlTransfer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response (line 382)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::claim_interface (line 415)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::control (line 483)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::release_interface (line 466)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "97fcdc5e9fe0c6ed854a044d11a4fb50078dff9144dddb680a4a1c2c918d1a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fcdc5e9fe0c6ed854a044d11a4fb50078dff9144dddb680a4a1c2c918d1a78", kill_on_drop: false }`
[INFO] [stdout] 97fcdc5e9fe0c6ed854a044d11a4fb50078dff9144dddb680a4a1c2c918d1a78
