[INFO] fetching crate note_frequencies 0.1.1...
[INFO] testing note_frequencies-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate note_frequencies 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate note_frequencies 0.1.1
[INFO] finished tweaking crates.io crate note_frequencies 0.1.1
[INFO] tweaked toml for crates.io crate note_frequencies 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate note_frequencies 0.1.1 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]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.40)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 79d03b261ad8a0ed8c4e676ab9563ac02842096d5792713fd5871c47f076e443
[INFO] running `Command { std: "docker" "start" "-a" "79d03b261ad8a0ed8c4e676ab9563ac02842096d5792713fd5871c47f076e443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d03b261ad8a0ed8c4e676ab9563ac02842096d5792713fd5871c47f076e443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d03b261ad8a0ed8c4e676ab9563ac02842096d5792713fd5871c47f076e443", kill_on_drop: false }`
[INFO] [stdout] 79d03b261ad8a0ed8c4e676ab9563ac02842096d5792713fd5871c47f076e443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d9364bd15e3bb9608228a98f8366d695fc3767f7cdf83761b1084e7698ada5af
[INFO] running `Command { std: "docker" "start" "-a" "d9364bd15e3bb9608228a98f8366d695fc3767f7cdf83761b1084e7698ada5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling note_frequencies v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .map(|idx| (middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0)))
[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] 26 -         .map(|idx| (middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0)))
[INFO] [stdout] 26 +         .map(|idx| middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "d9364bd15e3bb9608228a98f8366d695fc3767f7cdf83761b1084e7698ada5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9364bd15e3bb9608228a98f8366d695fc3767f7cdf83761b1084e7698ada5af", kill_on_drop: false }`
[INFO] [stdout] d9364bd15e3bb9608228a98f8366d695fc3767f7cdf83761b1084e7698ada5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eeb11ea3852d760316bb9e59d8bcf372702f1a966b08d3fd2c1e66cd2efd98fe
[INFO] running `Command { std: "docker" "start" "-a" "eeb11ea3852d760316bb9e59d8bcf372702f1a966b08d3fd2c1e66cd2efd98fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling note_frequencies v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .map(|idx| (middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0)))
[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] 26 -         .map(|idx| (middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0)))
[INFO] [stdout] 26 +         .map(|idx| middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         .map(|idx| (middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0)))
[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] 26 -         .map(|idx| (middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0)))
[INFO] [stdout] 26 +         .map(|idx| middle_a * 2.0f64.powf((idx - 69) as f64 / 12.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "eeb11ea3852d760316bb9e59d8bcf372702f1a966b08d3fd2c1e66cd2efd98fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb11ea3852d760316bb9e59d8bcf372702f1a966b08d3fd2c1e66cd2efd98fe", kill_on_drop: false }`
[INFO] [stdout] eeb11ea3852d760316bb9e59d8bcf372702f1a966b08d3fd2c1e66cd2efd98fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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", kill_on_drop: false }`
[INFO] [stdout] 93123b3719a313c3a73a35d4a0553a2f2d42094ea2baac9efb30b3df9ac32202
[INFO] running `Command { std: "docker" "start" "-a" "93123b3719a313c3a73a35d4a0553a2f2d42094ea2baac9efb30b3df9ac32202", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `unicode-xid v0.1.0`
[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 `unicode-xid v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-xid-0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "93123b3719a313c3a73a35d4a0553a2f2d42094ea2baac9efb30b3df9ac32202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93123b3719a313c3a73a35d4a0553a2f2d42094ea2baac9efb30b3df9ac32202", kill_on_drop: false }`
[INFO] [stdout] 93123b3719a313c3a73a35d4a0553a2f2d42094ea2baac9efb30b3df9ac32202