[INFO] fetching crate minimal-id 0.8.0...
[INFO] checking minimal-id-0.8.0 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate minimal-id 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate minimal-id 0.8.0
[INFO] finished tweaking crates.io crate minimal-id 0.8.0
[INFO] tweaked toml for crates.io crate minimal-id 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minimal-id 0.8.0 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 101 packages to latest compatible versions
[INFO] [stderr]       Adding juniper v0.12.0 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec0102e291fa18775fcef6bf79151b000a4de68c11ea57413f449a51da52f97
[INFO] running `Command { std: "docker" "start" "-a" "0ec0102e291fa18775fcef6bf79151b000a4de68c11ea57413f449a51da52f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec0102e291fa18775fcef6bf79151b000a4de68c11ea57413f449a51da52f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec0102e291fa18775fcef6bf79151b000a4de68c11ea57413f449a51da52f97", kill_on_drop: false }`
[INFO] [stdout] 0ec0102e291fa18775fcef6bf79151b000a4de68c11ea57413f449a51da52f97
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c175107c34f807572c7179115c29fba2728abad7c3c5718e33669b3a5484183c
[INFO] running `Command { std: "docker" "start" "-a" "c175107c34f807572c7179115c29fba2728abad7c3c5718e33669b3a5484183c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking minimal-id v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> src/lib.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         rand::thread_rng().fill_bytes(&mut rng);
[INFO] [stdout]    |               ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] [FMTARGS] {"crate":"minimal_id","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minimal-id` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c175107c34f807572c7179115c29fba2728abad7c3c5718e33669b3a5484183c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c175107c34f807572c7179115c29fba2728abad7c3c5718e33669b3a5484183c", kill_on_drop: false }`
[INFO] [stdout] c175107c34f807572c7179115c29fba2728abad7c3c5718e33669b3a5484183c