[INFO] fetching crate bubblemath 0.1.2...
[INFO] checking bubblemath-0.1.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bubblemath 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bubblemath 0.1.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bubblemath 0.1.2
[INFO] finished tweaking crates.io crate bubblemath 0.1.2
[INFO] tweaked toml for crates.io crate bubblemath 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fee44a73d83dec5233b1242b610465bc3b8c0acd94a0cbfa2ec2fd3d448b0f
[INFO] running `Command { std: "docker" "start" "-a" "11fee44a73d83dec5233b1242b610465bc3b8c0acd94a0cbfa2ec2fd3d448b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fee44a73d83dec5233b1242b610465bc3b8c0acd94a0cbfa2ec2fd3d448b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fee44a73d83dec5233b1242b610465bc3b8c0acd94a0cbfa2ec2fd3d448b0f", kill_on_drop: false }`
[INFO] [stdout] 11fee44a73d83dec5233b1242b610465bc3b8c0acd94a0cbfa2ec2fd3d448b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02dda207d1447ec6894738cf717efcbf3a39ac18115f331b8e0c394f0424351
[INFO] running `Command { std: "docker" "start" "-a" "c02dda207d1447ec6894738cf717efcbf3a39ac18115f331b8e0c394f0424351", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking bubblemath v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `div_ceil` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 2   | use num::integer::*;
[INFO] [stdout]     |     --------------- the item `div_ceil` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 197 | use num::integer::div_ceil;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | use std::iter::Iterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `div_ceil` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 2   | use num::integer::*;
[INFO] [stdout]     |     --------------- the item `div_ceil` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 197 | use num::integer::div_ceil;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | use std::iter::Iterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Itertools` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     use super::*;
[INFO] [stdout]     |         -------- the item `Itertools` is already imported here
[INFO] [stdout] 418 |     use itertools::Itertools;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "c02dda207d1447ec6894738cf717efcbf3a39ac18115f331b8e0c394f0424351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02dda207d1447ec6894738cf717efcbf3a39ac18115f331b8e0c394f0424351", kill_on_drop: false }`
[INFO] [stdout] c02dda207d1447ec6894738cf717efcbf3a39ac18115f331b8e0c394f0424351
[INFO] checking bubblemath-0.1.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bubblemath 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bubblemath 0.1.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bubblemath 0.1.2
[INFO] finished tweaking crates.io crate bubblemath 0.1.2
[INFO] tweaked toml for crates.io crate bubblemath 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 302b393d89a82daa34a6173ce109689a53edb46bfa53d75213269d4f5a41b1cc
[INFO] running `Command { std: "docker" "start" "-a" "302b393d89a82daa34a6173ce109689a53edb46bfa53d75213269d4f5a41b1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302b393d89a82daa34a6173ce109689a53edb46bfa53d75213269d4f5a41b1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302b393d89a82daa34a6173ce109689a53edb46bfa53d75213269d4f5a41b1cc", kill_on_drop: false }`
[INFO] [stdout] 302b393d89a82daa34a6173ce109689a53edb46bfa53d75213269d4f5a41b1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffe5a09024a847de53b5355b96f468e3a0961f98bc6432383796004e13a55537
[INFO] running `Command { std: "docker" "start" "-a" "ffe5a09024a847de53b5355b96f468e3a0961f98bc6432383796004e13a55537", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking bubblemath v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `div_ceil` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 2   | use num::integer::*;
[INFO] [stdout]     |     --------------- the item `div_ceil` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 197 | use num::integer::div_ceil;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | use std::iter::Iterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `div_ceil` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 2   | use num::integer::*;
[INFO] [stdout]     |     --------------- the item `div_ceil` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 197 | use num::integer::div_ceil;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | use std::iter::Iterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Itertools` is imported redundantly
[INFO] [stdout]    --> src/number_theory.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     use super::*;
[INFO] [stdout]     |         -------- the item `Itertools` is already imported here
[INFO] [stdout] 418 |     use itertools::Itertools;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "ffe5a09024a847de53b5355b96f468e3a0961f98bc6432383796004e13a55537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe5a09024a847de53b5355b96f468e3a0961f98bc6432383796004e13a55537", kill_on_drop: false }`
[INFO] [stdout] ffe5a09024a847de53b5355b96f468e3a0961f98bc6432383796004e13a55537
