[INFO] fetching crate rand_distr 0.4.3...
[INFO] checking rand_distr-0.4.3 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate rand_distr 0.4.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rand_distr 0.4.3 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_distr 0.4.3
[INFO] finished tweaking crates.io crate rand_distr 0.4.3
[INFO] tweaked toml for crates.io crate rand_distr 0.4.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded special v0.8.1
[INFO] [stderr]   Downloaded easy-cast v0.4.4
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded average v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54cfa5964f63a63024ff1c70de17a03d7008ed7c1ddc964e1bcc4ad6be09d8eb
[INFO] running `Command { std: "docker" "start" "-a" "54cfa5964f63a63024ff1c70de17a03d7008ed7c1ddc964e1bcc4ad6be09d8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54cfa5964f63a63024ff1c70de17a03d7008ed7c1ddc964e1bcc4ad6be09d8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cfa5964f63a63024ff1c70de17a03d7008ed7c1ddc964e1bcc4ad6be09d8eb", kill_on_drop: false }`
[INFO] [stdout] 54cfa5964f63a63024ff1c70de17a03d7008ed7c1ddc964e1bcc4ad6be09d8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7432d1c87773af4450cfa5e5f8822e05c7c39eaa942d5b241283d12c36e7fe57
[INFO] running `Command { std: "docker" "start" "-a" "7432d1c87773af4450cfa5e5f8822e05c7c39eaa942d5b241283d12c36e7fe57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking easy-cast v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking average v0.13.1
[INFO] [stderr]     Checking rand_distr v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]    --> src/triangular.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rng` is already imported here
[INFO] [stdout] 104 |     use rand::{rngs::mock, Rng};
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delta` is never read
[INFO] [stdout]    --> src/gamma.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | struct BC<N> {
[INFO] [stdout]     |        -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 547 |     delta: N,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BC` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `alpha` is never read
[INFO] [stdout]   --> src/normal_inverse_gaussian.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct NormalInverseGaussian<F>
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     alpha: F,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NormalInverseGaussian` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]    --> src/zipf.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Zipf<F>
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 | where F: Float, Standard: Distribution<F> {
[INFO] [stdout] 148 |     n: F,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Zipf` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delta` is never read
[INFO] [stdout]    --> src/gamma.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | struct BC<N> {
[INFO] [stdout]     |        -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 547 |     delta: N,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BC` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `alpha` is never read
[INFO] [stdout]   --> src/normal_inverse_gaussian.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct NormalInverseGaussian<F>
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     alpha: F,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NormalInverseGaussian` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]    --> src/zipf.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Zipf<F>
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 | where F: Float, Standard: Distribution<F> {
[INFO] [stdout] 148 |     n: F,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Zipf` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "7432d1c87773af4450cfa5e5f8822e05c7c39eaa942d5b241283d12c36e7fe57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7432d1c87773af4450cfa5e5f8822e05c7c39eaa942d5b241283d12c36e7fe57", kill_on_drop: false }`
[INFO] [stdout] 7432d1c87773af4450cfa5e5f8822e05c7c39eaa942d5b241283d12c36e7fe57
[INFO] checking rand_distr-0.4.3 against try#8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde for pr-122960
[INFO] extracting crate rand_distr 0.4.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate rand_distr 0.4.3 on toolchain 8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_distr 0.4.3
[INFO] finished tweaking crates.io crate rand_distr 0.4.3
[INFO] tweaked toml for crates.io crate rand_distr 0.4.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e694ae492e5f75fe1d2a275e82b5234d153c88667601c801fb6020e0e6141dba
[INFO] running `Command { std: "docker" "start" "-a" "e694ae492e5f75fe1d2a275e82b5234d153c88667601c801fb6020e0e6141dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e694ae492e5f75fe1d2a275e82b5234d153c88667601c801fb6020e0e6141dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e694ae492e5f75fe1d2a275e82b5234d153c88667601c801fb6020e0e6141dba", kill_on_drop: false }`
[INFO] [stdout] e694ae492e5f75fe1d2a275e82b5234d153c88667601c801fb6020e0e6141dba
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee7563f399d1ec7c2c351cfceda43cfc86805a25c0af9f133a421b05afd3c29
[INFO] running `Command { std: "docker" "start" "-a" "bee7563f399d1ec7c2c351cfceda43cfc86805a25c0af9f133a421b05afd3c29", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "bee7563f399d1ec7c2c351cfceda43cfc86805a25c0af9f133a421b05afd3c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee7563f399d1ec7c2c351cfceda43cfc86805a25c0af9f133a421b05afd3c29", kill_on_drop: false }`
[INFO] [stdout] bee7563f399d1ec7c2c351cfceda43cfc86805a25c0af9f133a421b05afd3c29