[INFO] fetching crate emulator_6502 1.1.0...
[INFO] testing emulator_6502-1.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate emulator_6502 1.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate emulator_6502 1.1.0
[INFO] finished tweaking crates.io crate emulator_6502 1.1.0
[INFO] tweaked toml for crates.io crate emulator_6502 1.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emulator_6502 1.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a96de67b55f8a00c497a29aa4b54b0771c39e56a04734480057b8bea180fd5ad
[INFO] running `Command { std: "docker" "start" "-a" "a96de67b55f8a00c497a29aa4b54b0771c39e56a04734480057b8bea180fd5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96de67b55f8a00c497a29aa4b54b0771c39e56a04734480057b8bea180fd5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96de67b55f8a00c497a29aa4b54b0771c39e56a04734480057b8bea180fd5ad", kill_on_drop: false }`
[INFO] [stdout] a96de67b55f8a00c497a29aa4b54b0771c39e56a04734480057b8bea180fd5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84125233efb15e44926a46b73300206e92a5c2e7a4d9f72affcbef672850371
[INFO] running `Command { std: "docker" "start" "-a" "a84125233efb15e44926a46b73300206e92a5c2e7a4d9f72affcbef672850371", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling emulator_6502 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:192:47
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn new_reset_position(interface: &mut (dyn Interface6502)) -> Self {
[INFO] [stdout]     |                                               ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -     pub fn new_reset_position(interface: &mut (dyn Interface6502)) -> Self {
[INFO] [stdout] 192 +     pub fn new_reset_position(interface: &mut dyn Interface6502) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:277:45
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn cycle(&mut self, interface: &mut (dyn Interface6502)) {
[INFO] [stdout]     |                                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 277 -     pub fn cycle(&mut self, interface: &mut (dyn Interface6502)) {
[INFO] [stdout] 277 +     pub fn cycle(&mut self, interface: &mut dyn Interface6502) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:325:59
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn execute_instruction(&mut self, interface: &mut (dyn Interface6502)) {
[INFO] [stdout]     |                                                           ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 325 -     pub fn execute_instruction(&mut self, interface: &mut (dyn Interface6502)) {
[INFO] [stdout] 325 +     pub fn execute_instruction(&mut self, interface: &mut dyn Interface6502) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a84125233efb15e44926a46b73300206e92a5c2e7a4d9f72affcbef672850371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84125233efb15e44926a46b73300206e92a5c2e7a4d9f72affcbef672850371", kill_on_drop: false }`
[INFO] [stdout] a84125233efb15e44926a46b73300206e92a5c2e7a4d9f72affcbef672850371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14956a63b209753f6d7a48dbc804152fa4c8b3cf73b5faee17629ca707b440c9
[INFO] running `Command { std: "docker" "start" "-a" "14956a63b209753f6d7a48dbc804152fa4c8b3cf73b5faee17629ca707b440c9", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `crossbeam-utils v0.8.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `crossbeam-utils v0.8.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-utils-0.8.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "14956a63b209753f6d7a48dbc804152fa4c8b3cf73b5faee17629ca707b440c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14956a63b209753f6d7a48dbc804152fa4c8b3cf73b5faee17629ca707b440c9", kill_on_drop: false }`
[INFO] [stdout] 14956a63b209753f6d7a48dbc804152fa4c8b3cf73b5faee17629ca707b440c9