[INFO] fetching crate cli-timer 0.3.84...
[INFO] checking cli-timer-0.3.84 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cli-timer 0.3.84 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cli-timer 0.3.84
[INFO] finished tweaking crates.io crate cli-timer 0.3.84
[INFO] tweaked toml for crates.io crate cli-timer 0.3.84 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cli-timer 0.3.84 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 140 packages to latest compatible versions
[INFO] [stderr]       Adding backtrace v0.3.71 (available: v0.3.76)
[INFO] [stderr]       Adding color-backtrace v0.2.3 (available: v0.7.2)
[INFO] [stderr]       Adding dirs v2.0.2 (available: v6.0.0)
[INFO] [stderr]       Adding rodio v0.9.0 (available: v0.21.1)
[INFO] [stderr]       Adding spin_sleep v0.3.7 (available: v1.3.3)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4072afb968444b647da7cd918f3aff3ab989c2bd77616b2c3748c3aef6eae9f
[INFO] running `Command { std: "docker" "start" "-a" "a4072afb968444b647da7cd918f3aff3ab989c2bd77616b2c3748c3aef6eae9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4072afb968444b647da7cd918f3aff3ab989c2bd77616b2c3748c3aef6eae9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4072afb968444b647da7cd918f3aff3ab989c2bd77616b2c3748c3aef6eae9f", kill_on_drop: false }`
[INFO] [stdout] a4072afb968444b647da7cd918f3aff3ab989c2bd77616b2c3748c3aef6eae9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c94cc28294818e5b1d3634ac2d6a92cab19373fd8d4c27b8b9b6d3548e1454aa
[INFO] running `Command { std: "docker" "start" "-a" "c94cc28294818e5b1d3634ac2d6a92cab19373fd8d4c27b8b9b6d3548e1454aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking color-backtrace v0.2.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking cli-timer v0.3.84 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/timer.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, StructOpt)]
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cli-timer` (bin "cli-timer" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/timer.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, StructOpt)]
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cli-timer` (bin "cli-timer") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c94cc28294818e5b1d3634ac2d6a92cab19373fd8d4c27b8b9b6d3548e1454aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94cc28294818e5b1d3634ac2d6a92cab19373fd8d4c27b8b9b6d3548e1454aa", kill_on_drop: false }`
[INFO] [stdout] c94cc28294818e5b1d3634ac2d6a92cab19373fd8d4c27b8b9b6d3548e1454aa